EJ257 / EJ255

AR8661 - Subaru EJ Series ARP Head Studs - Custom Age 625+

Subaru EJ Series ARP Head Studs - ARP #260-4704 - Custom Age 625+

Subaru EJ Series ARP Head Studs - ARP #260-4704 - Custom Age 625+

AR8900 - Connecting Rod Fastener/Rod Bolt - ARP2000 (3/8" x 1.600") - 1 only bolt

Connecting Rod Fastener/Rod Bolt - ARP2000 (3/8" x 1.600") ARP #4AJ1.600-2SU - Item is sold as 1 ...

Connecting Rod Fastener/Rod Bolt - ARP2000 (3/8" x 1.600") ARP #4AJ1.600-2SU - Item is sold as 1 only bolt, each rod requires 2 bolts each, specify total quantity required when ordering. Does not fit OEM rods.

AR8910 - Connecting Rod Fastener/Rod Bolt - ARP Custom Age 625+ (3/8" x 1.600") - 1 only bolt

Connecting Rod Fastener/Rod Bolt - ARP Custom Age 625+ (3/8" x 1.600") ARP #4AJ1.600-10SLU - Item...

Connecting Rod Fastener/Rod Bolt - ARP Custom Age 625+ (3/8" x 1.600") ARP #4AJ1.600-10SLU - Item is sold as 1 only bolt, each rod requires 2 bolts each, specify total quantity required when ordering. Does not fit OEM rods.

BC0600 - Subaru EJ Series, Toyota 3GSTE Single Spring/Titanium Retainer 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. Type BC1600 Single Free Length 1.788" Seat 1.420" @ 80 lbs Open 1.000" @ 178 lbs Coil Bind 0.850" Retainer BC2300-16 Spring Seat OEM Net Cam Lift 0.480" / 12.19mm

BC0606 - Subaru EJ Series Stroker Kit - 79mm Stroke/I-Beam Extreme Rods

2.29L - Includes 4340 billet crank, 79mm stroke, I-Beam Extreme rods w/Custom Age 625+ fasteners ...

2.29L - Includes 4340 billet crank, 79mm stroke, I-Beam Extreme rods w/Custom Age 625+ fasteners (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings available separately. Crank # BC5609 - 79mm Rod # BC6606 - 5.141" Piston # BC7609 - Custom

BC0608 - Subaru EJ Series Stroker Kit - 79mm Stroke/ProH625+ Rods

2.29L - Includes 4340 billet crank, 79mm stroke, ProH625+ rods (5.141 c-to-c), and custom pistons...

2.29L - Includes 4340 billet crank, 79mm stroke, ProH625+ rods (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings available separately. Crank # BC5609 - 79mm Rod # BC6608 - 5.141" Piston # BC7609 - Custom

BC0610 - Subaru EJ Series Dual 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. Type BC1020 Dual Free Length 1.606" Seat 1.325" @ 82 lbs Open 0.925" @ 180 lbs Coil Bind 0.825" Retainer BC2305-16 Spring Seat BC2936 Net Cam Lift 0.450" / 11.43mm

BC0621 - Subaru EJ257/EJ255 Stage 2 Camshafts - Street/Strip Spec

Plug and play application. Short duration for nice street manners, slight lope at idle. Excellent...

Plug and play application. Short duration for nice street manners, slight lope at idle. Excellent all purpose spec. OEM spring OK. Adv Dur 272°/272° Dur @ .050 222°/222° Valve Lift (1:1) .400"/.400" Valve Lift (mm) 10.16/10.16 Cam Timing Tag

BC0626-CLR - Subaru EJ 257 Stroker Kit - 83mm Stroke/I-Beam Extreme Rods w/101mm Bore x 9.5:1

2.71L - Includes 4340 billet crank, 83mm stroke, I-Beam Extreme rods with Custom Age 625+ fastene...

2.71L - Includes 4340 billet crank, 83mm stroke, I-Beam Extreme rods with Custom Age 625+ fasteners (5.141 c-to-c), and custom CP pistons in 101mm x 9.5:1, no substitutions. Crank # BC5629 - 83mm Rod # BC6606 - 5.141" Piston # BC7629 - Custom CP 101mm Bore x 9.5:1

BC0627 - Subaru EJ Series Stroker Kit - 83mm Stroke/I-Beam Rods

2.71L - Includes 4340 billet crank, 83mm stroke, I-Beam rods w/ARP2000 bolts (5.141 c-to-c), and ...

2.71L - Includes 4340 billet crank, 83mm stroke, I-Beam rods w/ARP2000 bolts (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings available separately. Crank # BC5629 - 83mm Rod # BC6607 - 5.141" Piston # BC7629 - Custom

BC0629 - Subaru EJ Series Stroker Kit - 83mm Stroke/ProH2K Rods

2.71L - Includes 4340 billet crank, 83mm stroke, ProH2K rods (5.141 c-to-c), and custom pistons (...

2.71L - Includes 4340 billet crank, 83mm stroke, ProH2K rods (5.141 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings available separately. Crank # BC5629 - 83mm Rod # BC6609 - 5.141" Piston # BC7629 - Custom

BC3600 - Subaru EJ Series Intake Valves (36mm / STD) - set/8

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

BC3601 - Subaru EJ Series Exhaust Valves (32mm / STD) - set/8

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

BC3605 - Subaru EJ Series Exhaust Valves (33mm / +1mm) - set/8

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

BC3961 - Subaru EJ Series (EJ205, EJ207, EJ257, EJ257B) - Exhaust Valve Guides

6.0mm Exhaust - Manganese Silicon Aluminum Bronze

6.0mm Exhaust - Manganese Silicon Aluminum Bronze

BC4620 - ACL Subaru EJ25 w/Thrust in #3 position Bearing Set - OEM Sizing

ACL Race Series HX - Rods, Mains, Thrust in #3 position Rods - ACL #4B8296HX (51.98-52.00mm) Main...

ACL Race Series HX - Rods, Mains, Thrust in #3 position Rods - ACL #4B8296HX (51.98-52.00mm) Mains - ACL #5M8297HX (59.98-60.00mm) The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications.

BC5629 - Subaru EJ275 (STi) Crankshaft - 4340 Billet - 83mm Stroke

4340 billet. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (mult...

4340 billet. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights are designed for reduced windage through the crankcase creating less oil resistance for better rpm potential. Stroke 83mm Rod Journal 52mm Main Journal 60mm Weight 18.9 Lbs

BC6607 - Subaru EJ Series I-Beam Connecting Rods w/ARP2000 Fasteners

Subaru EJ Series MOAR I-Beam w/ARP2000 Fasteners. Made from aerospace grade, 4340 chromoly steel,...

Subaru EJ Series MOAR I-Beam w/ARP2000 Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting rods deliver the reliability required to turn up the boost, the nitrous and/or the RPM range. Every rod is CNC machined, micropolished surface finish treatment, equipped with Aluminum/Silicone/Bronze pin bushings and finish honed to exacting tolerances. C-to-C 5.141" BE Bore 2.166" BE Width 0.843" PE Bore 0.905" PE Width 0.843" Gram Wt 560 Torque Spec...

BC6609 - Subaru EJ Series - ProH2K Connecting Rods w/ ARP2000 Fasteners

Subaru EJ Series - ProH2K w/ ARP2000 Fasteners. Made from aerospace grade, 4340 chromoly steel, B...

Subaru EJ Series - ProH2K w/ ARP2000 Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting rods deliver the reliability required to turn up the boost, the nitrous and/or the RPM range. Every rod is CNC machined, micropolished surface finish treatment, equipped with Aluminum/Silicone/Bronze pin bushings and finish honed to exacting tolerances. C-to-C 5.141" BE Bore 2.166" BE Width 0.843" PE Bore 0.905" PE Width 0.843" Gram Wt 550 Torque Specs ...

BC8262 - Subaru EJ257 BC Head Gaskets - 101mm Bore

BC Made In Japan Head Gaskets - Subaru EJ257 - 101mm Bore / 1.5mm Thickness

BC Made In Japan Head Gaskets - Subaru EJ257 - 101mm Bore / 1.5mm Thickness

BC8701 - Connecting Rod Bushing - .827" / 21mm Diameter - 1 only unit

Connecting Rod Bushing - .827" / 21mm Diameter - Aluminum Bronze material - Item is sold as 1 onl...

Connecting Rod Bushing - .827" / 21mm Diameter - Aluminum Bronze material - Item is sold as 1 only unit, specify total quantity required when ordering. Pin Dia 0.827" / 21mm Bushing O.D. 0.906" Bushing I.D. 0.810" Overall Length 1.015" varies

BC8703 - Connecting Rod Bushing - .905" / 23mm Diameter - 1 only unit

Connecting Rod Bushing - .905" / 23mm Diameter - Aluminum Bronze material - Item is sold as 1 onl...

Connecting Rod Bushing - .905" / 23mm Diameter - Aluminum Bronze material - Item is sold as 1 only unit, specify total quantity required when ordering. Pin Dia 0.905" / 23mm Bushing O.D. 0.985" Bushing I.D. 0.887" Overall Length 0.980 varies"

BC8860 - Subaru EJ Series Adjustable Cam Gears

Adjustable Cam Gears for Subaru EJ205 and EJ257 - Set/4 - 6061-T6 Billet Aluminum, Laser Etched, ...

Adjustable Cam Gears for Subaru EJ205 and EJ257 - Set/4 - 6061-T6 Billet Aluminum, Laser Etched, Five Clamping Bolts

BC8860B - Subaru EJ Series Adjustable Cam Gears - All Black (set/4)

Adjustable Cam Gears for Subaru EJ205 and EJ257 - Set/4 - All Black color - 6061-T6 Billet Alumin...

Adjustable Cam Gears for Subaru EJ205 and EJ257 - Set/4 - All Black color - 6061-T6 Billet Aluminum, Laser Etched, Five Clamping Bolts

BC8898 - Subaru EJ Series Cam Gear Bolt (Non AVCS) - ARP2000 Material

BC cam bolts for the Subaru EJ engine platforms are made from ARP2000 material and feature a silv...

BC cam bolts for the Subaru EJ engine platforms are made from ARP2000 material and feature a silver CAD plated finish to eliminate corrosion from handling. Hardened to RC 45-47, the new BC cam bolts secure the cam gears permanently without the stretch common with OEM fasteners. Reduces the risk of the gear coming loose and causing severe engine damage. Works with all brands of camshafts and cam gears. The BC bolt is made to stock dimensions (1.670” under head length) with OEM thread pitch. Bo...

CP7420 - Subaru EJ257 CP Shelf Pistons w/All Hardware - 99.50mm x 8.2:1

Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. ...

Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. Our Engineering department started off analyzing the competition, gathering industry data and deciding to make the highest level of pistons, period. The heart and soul of our pistons are built through our Engineering Department and its resources. This department is made up of several factors that push them ahead of the competition; Reverse Engineering, Design Experience and Flexibility, Analysis a...

CP7422 - Subaru EJ257 CP Shelf Pistons w/All Hardware - 99.75mm x 8.2:1

Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. ...

Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. Our Engineering department started off analyzing the competition, gathering industry data and deciding to make the highest level of pistons, period. The heart and soul of our pistons are built through our Engineering Department and its resources. This department is made up of several factors that push them ahead of the competition; Reverse Engineering, Design Experience and Flexibility, Analysis a...