Products

BC0788 - BMW M50/M52/S52 Stroker Kit - 95.6mm Stroke/Pro625+ Connecting Rods/Custom Pistons

Includes 4340 billet crank, 95.6mm stroke, ProH625+ rods (5.315" c-to-c) and custom pistons (choi...

Includes 4340 billet crank, 95.6mm stroke, ProH625+ rods (5.315" c-to-c) and custom pistons (choice of bore/compression). Note: Custom pistons are currently running 5-7 weeks, you specify desired bore/compression ratio. 

BC0798 - BMW N54B30 Stroker Kit - 93.6mm Stroke/ProH625+ Connecting Rods/Custom Pistons

Go up to 3.149L on your BMW N54B30 with 84.5mm bore and a BC 4340 billet crank, 93.6mm stroke, Pr...

Go up to 3.149L on your BMW N54B30 with 84.5mm bore and a BC 4340 billet crank, 93.6mm stroke, Pro625+ rods (5.709" c-to-c) and custom pistons (choice of bore/compression). Note: Custom pistons are currently running 6-8 weeks, you specify desired bore/compression ratio. Features 6 bolt flywheel bolt pattern.  

BC0900-2 - Polaris RZR Pro-R (21-up) Beehive Spring/Titanium Retainer/Seat Kit

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium 6AL4V titanium alloy for added valve control above 10,000 rpm. Also requires BC3991 valve stem seals. Type BC1900 Single Free Length 1.610" Seat 1.265" @ 83 lbs Open 0.850" @ 197 lbs Coil Bind 0.760" Retainer BC2901 Spring Seat BC2911 Net Ca...

BC0900B-2 - Polaris Pro-R Beehive Spring/Steel Retainer w/No Shim Capture/Seat Kit

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium 4140 chromoly steel alloy for "set it and forget it" wear characteristics. Beehive spring keeps retainer lightweight. Also requires BC3991 valve stem seals. Type BC1900-2 Single Free Length 1.610" Seat 1.265" @ 83 lbs Open 0.850" @ 197 lbs Coil Bi...

BC0900BX-2 - Polaris Pro R Beehive Spring/Steel Retainer w/No Shim Capture/OEM Seat Kit

Features a retainer design with no shim capture for use with stock Polaris cam buckets and a reco...

Features a retainer design with no shim capture for use with stock Polaris cam buckets and a recommended setup if banging on the anti-lag. BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium 4140 chromoly steel for "set it and forget it" wear characteristics. Beehive spring keeps retainer lightweight. Includes OEM style seat and Vi...

BC0900D-2 - Polaris Pro-R (21-up) Dual Spring/Steel Retainer/Seat Kit

Dual spring designed for high rpm and/or anti-lag, works with stock buckets (sizing based on the ...

Dual spring designed for high rpm and/or anti-lag, works with stock buckets (sizing based on the installed height of your valves). BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium chromoly steel alloy for "set it and forget it" wear characteristics. NOTE: This kit requires the BC3992 valve seals, in order to run the BC3992 valve...

BC0900DX-2 - Polaris Pro R & SlingShot Dual Spring/Steel Retainer/Seat & Seal Kit

Dual spring designed for high rpm and/or anti-lag, works with stock buckets (sizing based on the ...

Dual spring designed for high rpm and/or anti-lag, works with stock buckets (sizing based on the installed height of your valves). BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium chromoly steel alloy for "set it and forget it" wear characteristics. Includes custom BCxTPR seat and seal combination. NOTE: This kit is designed to ...

BC0900S - Polaris XP Turbo (16-up) / XP 1000 (14-up) Beehive Spring/Steel Retainer/Seat Kit

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium chromoly steel alloy for "set it and forget it" wear characteristics. Beehive spring keeps retainer lightweight. Also requires BC3991 valve stem seals. Type BC1900 Single Free Length 1.610" Seat 1.265" @ 83 lbs Open 0.850" @ 197 lbs Coil Bind 0.76...

BC0900SX - Polaris XP Turbo (16-up) / XP 1000 (14-up) Beehive Spring/Steel Retainer/Seal K...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium 6AL4V titanium alloy for added valve control above 10,000 rpm. Also includes BC3991 integrated valve seat/seal. NOTE: Does not work with over .430" lift camshafts. Retainer to seal contact will cause extensive damage to the head. Type BC1900 Single Free...

BC0900X - Polaris XP Turbo (16-up) / XP 1000 (14-up) Beehive Spring/Titanium Retainer/Seal...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium 6AL4V titanium alloy for added valve control above 10,000 rpm. Also includes BC3991 valve stem seals. Type BC1900 Single Free Length 1.610" Seat 1.265" @ 83 lbs Open 0.850" @ 197 lbs Coil Bind 0.760" Retainer BC2901 Valve Seal BC3991 Net Cam...

BC0902 - Polaris XP 1000 (14-up) Stage 3 HardCore Trail Spec Camshafts (pair)

Designed for the experienced trail or dune rider who wants power throughout the rpm range. Requir...

Designed for the experienced trail or dune rider who wants power throughout the rpm range. Requires BC spring & retainer kit. ECU and head work for optimal gains. Adv Dur (.020") 260°/262° Dur @ .050 240°/240° Valve Lift (1:1) .430"/.430" Valve Lift (mm) 11.43/11.43

BC0904 - Polaris XP 1000 (14-up) Stage 2+ Hardcore Trail Camshafts (pair)

More aggressive than the Stage 2 but still works with factory valve springs. Pulls hard up throug...

More aggressive than the Stage 2 but still works with factory valve springs. Pulls hard up through 9500 rpm but still delivers power on demand on the low end. ECU flash or tune recommended. Adv Dur (.020") 258°/258° Dur @ .050 230°/230° Valve Lift (1:1) .420"/.420" Valve Lift (mm) 10.67/10.67

BC0906 - Polaris XPEDITION (23-up) Stroker Kit 78mm w/Pro625+ Rods, Custom Pistons

Polaris XPEDITION - Includes 4340 billet crank, 78mm stroke, Pro625+ rods (4.921" c-to-c), custom...

Polaris XPEDITION - Includes 4340 billet crank, 78mm stroke, Pro625+ rods (4.921" c-to-c), custom CP or BME pistons (choice of bore/compression). Crank # BC5905 - 78mm (180° pin) Rod # BC6902 - 4.921" Piston # BC7905 Custom (any bore/compression)

BC0908 - Polaris XP 1000 (14-up) Stroker Kit 78mm w/Carrillo Rods

Polaris XP 1000 - Includes 4340 billet crank, 78mm stroke, Carrillo rods (4.921" c-to-c), custom ...

Polaris XP 1000 - Includes 4340 billet crank, 78mm stroke, Carrillo rods (4.921" c-to-c), custom CP pistons (choice of bore/compression). Crank # BC5901 - 78mm (180° pin) Rod # CA6902 - 4.921" Piston # BC7901 - Custom (any bore/compression)

BC0910 - Polaris XP Turbo (16-up) Stage 2 Drop-In Spec Camshafts

DROP-IN TURBO R SPEC CAM PROFILEModified Turbo R spec for stock turbo or modified turbo up to 22p...

DROP-IN TURBO R SPEC CAM PROFILEModified Turbo R spec for stock turbo or modified turbo up to 22psi, works with stock valve springs up to factory rev limit, recommend BC spring kit if exceeding 8600 rpm. Requires mild stock ECU flash tuning for optimum gains. Adv Dur (.020") 252°/248° Dur @ .050 234°/228° Valve Lift (1:1) .421"/.406" Valve Lift (mm) 10.69/10.31

BC0912 - Polaris XP Turbo (16-up) Stage 3 Wild Duner Camshafts

HARDCORE DUNER/DRAG CAM PROFILEIntended for a built engine running in excess of 28psi boost.  Req...

HARDCORE DUNER/DRAG CAM PROFILEIntended for a built engine running in excess of 28psi boost.  Requires extensive tuning for optimum gains using PV or HPTuners flash tuning device or MoTeC and BC adjustable cam gears to dial out overlap due bigger duration. Requires BC0900. CNC ported head recommended for optimum gains. Adv Dur (.020") 264°/264° Dur @ .050 240°/240° Valve Lift (1:1) .430"/.430" Valve Lift (mm) 10.92/10.92

BC0915 - Polaris XP Turbo (16-up) Stroker Kit 72.5mm w/BC Pro625+ Rods, Custom Pistons

Polaris XP Turbo - Includes 4340 billet crank, 72.5mm stroke fully balanced, BC Pro625+ rods (4.9...

Polaris XP Turbo - Includes 4340 billet crank, 72.5mm stroke fully balanced, BC Pro625+ rods (4.915" c-to-c), custom CP pistons (choice of bore/compression). Crank # BC5911 - 72.5mm (270° pin) Rod # BC6912 - 4.915" Piston # BC7911 - 93mm x 9.5:1

BC0916 - Polaris XP Turbo (16-up) Stroker Kit 72.5mm w/Carrillo Rods

Polaris XP Turbo - Includes 4340 billet crank, 72.5mm stroke, Carrillo rods (4.915" c-to-c), cust...

Polaris XP Turbo - Includes 4340 billet crank, 72.5mm stroke, Carrillo rods (4.915" c-to-c), custom CP pistons (choice of bore/compression). Crank # BC5911 - 72.5mm (270° pin) Rod # CA6912 - 4.915" Piston # BC7911 / BC7912 - Custom

BC0918 - Polaris XP Turbo (16-up) Stock Stroke Kit 68mm w/ProH2K Rods, Shelf Pistons

Polaris XP Turbo - Includes 4340 billet crank, 68mm stroke, ProH2K rods (4.915" c-to-c), choice o...

Polaris XP Turbo - Includes 4340 billet crank, 68mm stroke, ProH2K rods (4.915" c-to-c), choice of CP or BME shelf pistons. Crank # BC5911 - 68mm (270° pin) Rod # BC6911 - 4.915" Piston # CP or BME - Shelf 93mm x 9.5:1

BC0920S - Honda Talon (19-up) Spring/Steel Retainer/Seat Kit

Drop-in install, no machine work. Designed for high rpm, BC valve springs by PAC Racing are wound...

Drop-in install, no machine work. Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium 4140 chromoly alloy for added reliability for high endurance use.  Type BC1920 Single Free Length 1.785" Seat 1.450" @ 75 lbs Open 1.115" @ 163 lbs Coil Bind 0.950" Retainer BC2920S Spring Seat Stock Net Cam...

BC0922 - Honda Talon (19-up) Stage 3 High Performance Trail Cam

New cams...not regrinds! Hardcore aggressive trail riding with minimal mods + tune for good gains...

New cams...not regrinds! Hardcore aggressive trail riding with minimal mods + tune for good gains in the mid-range. For trails, delivers excellent throttle response out of the turns and thru the wash, still pulls hard on the top end.  Adv Dur (.006") 272°/270° Dur @ .050 242°/236° Valve Lift (1:1) .410"/.390" Valve Lift (mm) 10.42/9.90

BC0924 - Honda Talon (19-up) Stage 3 Turbo Spec

New cams...not regrinds! Short duration and more lift to build more cylinder pressure for turboch...

New cams...not regrinds! Short duration and more lift to build more cylinder pressure for turbocharged applications, tuning and ECU mods recommended. Requires kit BC0920. Adv Dur (.006") 264°/270° Dur @ .050 240°/230° Valve Lift (1:1) .420"/.402" Valve Lift (mm) 10.67/10.21

BC0930T - Can-Am X3 / ROTAX 900 ACE Beehive Spring/Titanium Retainer/Seat Kit

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium 6AL4V alloy for added wear resistance. Kit also includes integrated spring seat and valve seal. Type BC1930 Single Free Length 1.337" Seat 1.130" @ 70 lbs Open 0.730" @ 205 lbs Coil Bind 0.660" Retainer BC2903T Spring Seat BC2913 Net Cam Lif...

BC0930TX - Can-Am X3 / ROTAX 900 ACE Beehive Spring/Titanium Retainer Kit (NO SEAT)

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium 6AL4V titanium alloy for added wear resistance. Type BC1930 BeeHive Free Length 1.337" Seat 1.130" @ 70 lbs Open 0.730" @ 205 lbs Coil Bind 0.660" Retainer BC2903T Spring Seat Stock Net Cam Lift 0.430" / 10.92mm

BC0931 - Can-Am X3 (17-up) Stage 3 RR Duner & High Performance Trail Cams (pair)

Drop-in spec, meaning you don’t have to remove the cylinder head and works with factory valve spr...

Drop-in spec, meaning you don’t have to remove the cylinder head and works with factory valve springs - does require HPTuners or PowerVision for calibration. Perfect for Duning with minimal mods and good gains in the mid-range. For trails, delivers excellent throttle response out of the turns and thru the wash, still pulls hard on the top end. Best results on RR or larger turbo setup, requires ECU tune and 1300cc injectors for optimal gains.  Adv Dur (.020") 276°/276° Dur @ .050 220°/220...

BC0933 - Can-Am X3 (17-up) Stage 4 Mod Duner Cam Profile

  Designed for modified engines with larger turbos. Bigger cc injectors, CNC ported cylinder head...

  Designed for modified engines with larger turbos. Bigger cc injectors, CNC ported cylinder head, MoTeC or equivalent ECU necessary for big gains. Requires BC spring & retainer kit. ECU tune, cylinder head work, intake/exhaust are mandatory for optimal gains. Complete BC CNC cylinder head packages available. Install using BRP locking tool (#529036272) to insure proper timing. Adv Dur (.020") 286°/286° Dur @ .050 230°/230° Valve Lift (1:1) .370"/.370" Valve Lift (mm) 9.40/9.40

BC0934-79.5 - Stroker Kit w/EN40B HD Crank, MOAR Rods (Inverse Bolt), Custom CP Pistons

The ultimate High Horsepower Stroker Kit. Includes EN40B billet stroker crank (79.5mm stroke), BC...

The ultimate High Horsepower Stroker Kit. Includes EN40B billet stroker crank (79.5mm stroke), BC MOAR rods (5.020" c-to-c w/inverse bolt design) with ARP 625+ Custom Age bolts and custom pistons in any bore and compression ratio. These cranks are rough balanced to 1300g-1338g bobweight: Outlander 1000 (2012 - current)  Commander 1000 (2011-current) Renegade 1000 (2012 - current)  Maverick 1000 (2013 - current) Defender HD9/HD10 (2016-current) Traxter HD9/HD10 (2016-2023) Crank # BC5...

BC0936 - Can-Am X3 (17-up) Stroker Kit w/EN40B Crank, MOAR Rods (18mm PIN), Custom CP Pistons

High horsepower Duner and Mod Drag, Short Course, Mud Bounty or Desert Racing stroker kit intende...

High horsepower Duner and Mod Drag, Short Course, Mud Bounty or Desert Racing stroker kit intended for OEM style, non pneumatic clutch setups. Builds full boost over 2000 rpm sooner. Includes EN40B billet stroker crank (73.5mm stroke) with added +.080" snout diameter, BC MOAR rods (4.606" c-to-c w/18mm Pin) with ARP 625+ Custom Age bolts and custom pistons in any bore and compression ratio. These cranks are fully system balanced to the following bobweight: • BC Rod (BC6933 w/18mm Pin): 398g •...

BC0939 - Stroker Kit w/EN40B HD Crank, MOAR Rods (20mm Pin), Custom CP Pistons

The ultimate High Horsepower Stroker Kit for in excess of 700whp. Includes EN40B billet stroker c...

The ultimate High Horsepower Stroker Kit for in excess of 700whp. Includes EN40B billet stroker crank (73.5mm stroke) with max snout diameter and intended for the most aggressive pneumatic clutch and anti-lag setups. Builds full boost over 2000 rpm sooner. Includes EN40B billet stroker crank (73.5mm stroke) with added +.080" snout diameter and “no radius” around the timing chain area , BC MOAR rods (4.606" c-to-c w/20mm Pin) with ARP 625+ Custom Age bolts and custom pistons in any bore and co...

BC0950B - Yamaha 998 Dual Spring/Steel Retainer/Seat Kit

Kit is intended for shim in aftermarket bucket setup. Designed for high rpm, BC valve springs by ...

Kit is intended for shim in aftermarket bucket setup. Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium 4140 chromoly steel for the ultimate in reliability. Also includes steel valve spring seats. Type BC1950 Dual Free Length 1.572" Outer/1.339" Inner Seat 1.265" @ 76 lbs Open 0.850" @ 192 lbs Co...

BC0952 - Yamaha YXZ / 998 (16-up) Stage 3 Viper+ Spec Camshafts

Added duration, lift and faster opening ramp speeds than the OEM Viper cam specs. Requires ECU tu...

Added duration, lift and faster opening ramp speeds than the OEM Viper cam specs. Requires ECU tuning and other mods to benefit performance. Requires BC0950B (shim in bucket). Yamaha OE Viper Spec: 240°/232° @ .050” / .372”/.353” Lift Adv Dur (.020") 266°/260° Dur @ .050 254°/244° Valve Lift (1:1) .387"/.380" Valve Lift (mm) 9.83/9.65

BC0954 - YAMAHA YXZ/SIDEWINDER (16-up) STOCK STROKE KIT w/BC PRO625+ RODS, SHELF PISTONS w...

Includes 4340 billet crank, 66.2mm stock stroke, ProH625+ rods (19mm Pin), and Shelf CP pistons (...

Includes 4340 billet crank, 66.2mm stock stroke, ProH625+ rods (19mm Pin), and Shelf CP pistons (choice of bore/compression). REQUIRES SIDEWINDER OIL PUMP/SPROCKET (BC8805). These cranks are fully system balanced to the following bobweight: • BC Rod (BC6952 w/19mm Pin): 440g • CP Piston (80mm bore): 272g • CP Pin (19mm OD, .220” wall: 85g • CP Ring Pack: 17g • ACL Bearings: 24g • CP Locks: 4g Crank # BC5950 - 66.2mm (4340 billet) Rod # BC6952 - w/19mm Pin and 625+ Bolts Piston # BC79...

BC0956 - - YAMAHA YXZ/SIDEWINDER (16-up) STOCK STROKE KIT w/CARRILLO RODS, SHELF PISTONS ...

Includes 4340 billet crank, 66.2mm stock stroke, Carrillo rods (19mm Pin), and Shelf CP pistons (...

Includes 4340 billet crank, 66.2mm stock stroke, Carrillo rods (19mm Pin), and Shelf CP pistons (choice of bore/compression). REQUIRES SIDEWINDER OIL PUMP/SPROCKET (BC8805). These cranks are fully system balanced to the following bobweight: • Carrillo Pro-H Rod: 440g • CP Piston (80mm bore): 272g • CP Pin (19mm OD, .220” wall: 85g • CP Ring Pack: 17g • ACL Bearings: 24g • CP Locks: 4g Crank # BC5950 - 66.2mm (4340 billet) Rod # CA6952 - Carrillo w/19mm Pin and Carr Bolts Piston # BC...

BC0958-20 - YAMAHA YXZ/SIDEWINDER (16-up) STROKER KIT w/BC PRO625+ RODS, CUSTOM PISTONS w/...

Includes 4340 billet crank, 71mm stroke, ProH625+ rods (20mm Pin), and custom pistons (choice of ...

Includes 4340 billet crank, 71mm stroke, ProH625+ rods (20mm Pin), and custom pistons (choice of bore/compression). These cranks are fully system balanced to the following bobweight: • BC Rod (BC6953 w/20mm Pin): 440g • CP Piston (80mm bore): 272g • CP Pin (19mm OD, .220” wall: 85g • CP Ring Pack: 17g • ACL Bearings: 24g • CP Locks: 4g Crank # BC5951 - 71mm (4340 billet) Rod # BC6952 - w/20mm Pin and 625+ Bolts Piston # BC7951 - Custom (specify bore and compression)    

BC0959 - YAMAHA YXZ/SIDEWINDER (16-up) STROKER KIT w/BC MOAR RODS, CUSTOM PISTONS w/ALL HA...

Includes 4340 billet crank, 71mm stroke, MOAR rods (21mm Pin), and custom pistons (choice of bore...

Includes 4340 billet crank, 71mm stroke, MOAR rods (21mm Pin), and custom pistons (choice of bore/compression). These cranks are fully system balanced to the following bobweight: • BC Rod (BC6953 w/20mm Pin): 440g • CP Piston (80mm bore): 272g • CP Pin (19mm OD, .220” wall: 85g • CP Ring Pack: 17g • ACL Bearings: 24g • CP Locks: 4g Crank # BC5951 - 71mm (4340 billet) Rod # BC6953 - w/21mm Pin and 625+ Bolts Piston # BC7951 - Custom (specify bore and compression)  

BC0981T - Polaris Pro R (21-up) Stage 2+ Forced Induction Camshafts (pair)

Designed for boost levels in the 8 to 20psi range, works well with non-ported cylinder head and s...

Designed for boost levels in the 8 to 20psi range, works well with non-ported cylinder head and stock valve springs. Wider lobe separation & short duration build more cylinder pressure. Adv Dur (.020") 262°/258° Dur @ .050 234°/230° Valve Lift (1:1) .436"/.422" Valve Lift (mm) 11.07/10.72

BC0983 - Polaris Pro R (21-up) Stage 3 Normally Aspirated Race Spec (pair)

Designed for modified engines. Requires BC valve spring kit, seals and guides for clearance due t...

Designed for modified engines. Requires BC valve spring kit, seals and guides for clearance due to high lift. Must run with aftermarket pistons with proper valve reliefs built-in. Cannot be ran with stock/OE pistons due to possible piston to valve contact. Adv Dur (.020") 265°/265° Dur @ .050 240°/240° Valve Lift (1:1) .450"/.450" Valve Lift (mm) 11.43/11.43

BC0984 - Polaris Pro R (21-up) Stage 4 Full Drag Spec (pair)

Top tier spec for the all-out high performance, high rpm build. Requires BC spring/retainer kit. ...

Top tier spec for the all-out high performance, high rpm build. Requires BC spring/retainer kit. ECU and cylinder head work will enhance overall performance. Due to high lobe lift, it is mandatory that you change the valve guides and use BC valve seals. Failure to do so will result in retainer to guide contact causing damage to the head and/or cams. Must run with aftermarket pistons with proper valve reliefs built-in. Cannot be ran with stock/OE pistons due to possible piston to valve contact...

BC0988 - Polaris Pro R (21-up) Stroker Kit 78mm w/BC Pro625+ Rods

Polaris Pro R - Includes 4340 billet crank, now featuring induction hardened timing chain gear, 7...

Polaris Pro R - Includes 4340 billet crank, now featuring induction hardened timing chain gear, 78mm stroke, BC Pro625+ rods (4.915" c-to-c), custom CP pistons (choice of bore/compression). 93mm bore = 2.13L, 94mm = 2.165L, 96mm = 2.26L Crank # BC5917 - 78mm  Rod # BC6916 - 4.915" Piston # BC7915 - Custom

BC0989LW - Polaris Pro R (21-up) LW Stroker Kit 78mm w/BC ProH2K Rods

Polaris Pro R - Includes 4340 billet LW crank with no center counterweights, now featuring induct...

Polaris Pro R - Includes 4340 billet LW crank with no center counterweights, now featuring induction hardened timing chain gear, 78mm stroke, BC ProH2K rods (4.915" c-to-c), custom CP pistons (choice of bore/compression). 93mm bore = 2.13L, 94mm = 2.165L, 96mm = 2.26L Crank # BC5917 - 78mm  Rod # BC6915 - 4.915" Piston # BC7915 - Custom

BC0993 - Can-Am X3 (17-up) Custom Solid Lifter Cam Profile

Custom solid lifter camshafts. Designed for modified engines with larger turbos. Bigger cc injec...

Custom solid lifter camshafts. Designed for modified engines with larger turbos. Bigger cc injectors, CNC ported cylinder head, MoTeC or equivalent ECU necessary for big gains. Requires BC spring & retainer kit. ECU tune, cylinder head work, intake/exhaust are mandatory for optimal gains. Complete BC CNC cylinder head packages available. Now includes crank locking tool (#529036272) to insure proper installation. Adv Dur (.020") Custom Dur @ .050 Custom Valve Lift (1:1) Custom Va...

BC1010-1 - Valve Spring - Dual (Honda/Acura B18C/B16A/B17A, Nissan KA24DE) - 1 only

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. Type Dual Free Length 1.607" O.D./I.D. Outer 1.180" / 0.865" O.D./I.D. Inner 0.865" / 0.670" Seat 1.350" @ 80 lbs Open 0.900" @ 220 lbs Coil Bind 0.765" Retainer BC2010, BC2011, BC2210 Spring Seat BC2904 or OEM Net Cam Lift 0.500" / 12.7mm

BC1030-1 - Valve Spring - Dual (Honda H22, Nissan SR20VE) - 1 only

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. Type Dual Free Length 1.815" O.D./I.D. Outer 1.160" / 0.870" O.D./I.D. Inner 0.870" / 0.679" Seat 1.400" @ 88 lbs Open 0.950" @ 220 lbs Coil Bind 0.790" Retainer BC2010, BC2011, BC2205 Spring Seat OEM Net Cam Lift 0.510" / 12.95mm

BC1040T-1 - Valve Spring - Dual (Honda/Acura K20A2/K20A/K24A2/F20C1/F22C1) - 1 only

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. Type Dual Free Length 2.030" O.D./I.D. Outer 1.181" / 0.858" O.D./I.D. Inner 0.840" / 0.610" Seat 1.590" @ 80 lbs Open 1.020" @ 215 lbs Coil Bind 0.870" Retainer BC2010, BC2011 Spring Seat BC2904 or OEM Net Cam Lift 0.620" / 15.74mm

BC1080-1 - Valve Spring - SINGLE (Honda R18) - 1 only

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. Type Single Free Length 2.231" Seat 1.975" @ 58 lbs Open 1.500" @ 154 lbs Coil Bind 1.320" Retainer/Keeper BC2070/BC2940 Spring Seat OEM Net Cam Lift 0.490" / 12.45mm

BC1100-1 - Valve Spring - Single (Mitsubishi 4G63 Eclipse/Evo/Dodge SRT-4) - 1 only

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. Type Single Free Length 1.879" O.D./I.D. Outer 1.100" / 0.780" O.D./I.D. Inner n/a Seat 1.550" @ 84 lbs Open 1.000" @ 235 lbs Coil Bind 0.935" Retainer BC2100, BC2159, BC2160 Spring Seat OEM Net Cam Lift 0.520" / 13.2mm

BC1130-1 - Valve Spring - Single (Mitsubishi 4B11T Evo X, Hyundai G4KF Genesis) - 1 only

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. Type Single Free Length 1.693" O.D./I.D. Outer 0.960" / 0.675" O.D./I.D. Inner n/a Seat 1.375" @ 75 lbs Open 0.950" @ 175 lbs Coil Bind 0.850" Retainer BC2130, OEM Spring Seat OEM Net Cam Lift 0.475" / 12.06mm

BC1200-1 - Valve Spring - Single (Nissan SR20DE-T) - 1 only

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. Type Single Free Length 1.980" O.D./I.D. Outer 1.150" / 0.840" O.D./I.D. Inner n/a Seat 1.550" @ 90 lbs Open 1.025" @ 220 lbs Coil Bind 0.910" Retainer BC2200, BC2200S, OEM Spring Seat OEM Net Cam Lift 0.550" / 13.97mm

BC1230-1 - Valve Spring - Single (Nissan RB26DETT) - 1 only

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. Type Single Free Length 1.879" Seat 1.535" @ 90 lbs Open 1.150" @ 190 lbs Coil Bind 0.935" Retainer BC2230, OEM Spring Seat OEM Net Cam Lift 0.520" / 13.2mm

BC1260-1 - Valve Spring - Single (Nissan QR25) - 1 only

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, supe...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. Type Single Free Length 1.710" O.D./I.D. Outer 0.980" / 0.705" O.D./I.D. Inner n/a Seat 1.350" @ 76 lbs Open 0.950" @ 180 lbs Coil Bind 0.860" Retainer OEM or BC2220 Spring Seat OEM Net Cam Lift 0.430" / 10.92mm