Products

BC4901 - Polaris XPTurbo Rod Bearings (Blue Stock Replacement) set/4

  BC Exclusive XPTurbo Rod Bearings by ACL - Midnight Blue New ACL rod bearings for the Polar...

  BC Exclusive XPTurbo Rod Bearings by ACL - Midnight Blue New ACL rod bearings for the Polaris XPTurbo engine are available exclusively through BC. These are equivalent to Polaris Midnight Blue (Polaris #3514989-027 or #3514998-027) in terms of sizing and fit the XPTurbo, Turbo S, ProXP and Turbo R models. ACL Race Series performance engine bearings are manufactured to exacting tolerances. Micron tolerance machining supported by precision measurement systems delivers consistent accuracy ...

BC4901HX - Polaris XPTurbo Rod Bearings (White Stock Replacement) set/4

  BC Exclusive XPTurbo Rod Bearings by ACL - White (extra .001" clearance) New ACL rod bearin...

  BC Exclusive XPTurbo Rod Bearings by ACL - White (extra .001" clearance) New ACL rod bearings for the Polaris XPTurbo engine are available exclusively through BC. These are equivalent to Polaris White (Polaris #3514989-016 or #3514998-016) in terms of sizing (extra .001" oil clearance) and fit the XPTurbo, Turbo S, ProXP and Turbo R models. ACL Race Series performance engine bearings are manufactured to exacting tolerances. Micron tolerance machining supported by precision measurement s...

BC4903 - Can-Am X3 Rod Bearings (#420933195 stock replacement) set/6 pairs

  BC Exclusive X3 Connecting Rod Bearings by King New BC exclusive King rod and main beari...

  BC Exclusive X3 Connecting Rod Bearings by King New BC exclusive King rod and main bearings for the Can-Am X3 and other Rotax 900 ACE applications are available in King's proven pMaxBlack overlay and pMaxKote™ polymer coating. pMaxBlack is a surface hardened lead tin copper overlay that is electroplated onto a copper alloy substrate making up the third layer of a King XP bearing. pMaxBlack also has additional copper content, when compared to regular tri-metal bearing overlays, increa...

BC4905HX - Yamaha YXZ / 998 Rod Bearings (Yellow Stock Replacement) set/6

  BC Exclusive Yamaha 998 Rod Bearings by ACL - Yellow New ACL Race Series HX rod bearings (e...

  BC Exclusive Yamaha 998 Rod Bearings by ACL - Yellow New ACL Race Series HX rod bearings (extra .001" clearance) for the Yamaha 998 engine (YXZ, SideWinder, Viper, Nytro, Vector, Venture, Viking, VKPro, WaveRunner V1, VK, VX, EX, FJR1300, Rage, Wolverine) are available exclusively through BC. These are equivalent to Yamaha Yellow (5JW-11656-40-00) in terms of sizing and fit just about every model that utilizes the 998 Genesis world platform engine. ACL Race Series performance engine bea...

BC4907HX - Polaris XP1000/XP900 Rod Bearings (White Stock Replacement) set/4

  BC Exclusive XP1000/XP900 Rod Bearings by ACL - White (extra .001" clearance) New ACL rod b...

  BC Exclusive XP1000/XP900 Rod Bearings by ACL - White (extra .001" clearance) New ACL rod bearings for the Polaris XP1000 and XP900 engines are available exclusively through BC. These are equivalent to Polaris White in terms of sizing (extra .001" oil clearance) and fit the XP1000, General, Ranger and XP900 models. ACL Race Series performance engine bearings are manufactured to exacting tolerances. Micron tolerance machining supported by precision measurement systems delivers consistent...

BC5018B - Honda B16A Crankshaft - 4340 Billet - 84.5mm Stroke

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

4340 steel 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 84.4mm Rod Journal 45mm Main Journal 55mm

BC5020B - Honda/Acura B18A, B18B, B20B Crankshaft - 4340 Billet - 92mm 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 92mm Rod Journal 45mm Main Journal 55mm Weight 31.2 Lbs

BC5039 - Honda H22A1 (50mm Main - 1993-96) Crankshaft - 4340 Billet - 100mm 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 100mm Rod Journal 47.95mm Main Journal 50mm Weight 37.6 Lbs

BC5048LW - Honda K Series LightWeight Crankshaft - 4340 Billet - 92mm Stroke w/LS Journals...

4340 billet with B18A rod journal. All cranks are stress relieved, shot peened, magna flux inspec...

4340 billet with B18A rod journal. 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 92mm Rod Journal 45mm Main Journal 55mm Weight 31.5 Lbs

BC5049-105 - Honda/Acura K24 Crankshaft - 4340 Billet - 105mm Stroke w/B18A Rod Journal

4340 billet with B18A rod journal. All cranks are stress relieved, shot peened, magna flux inspec...

4340 billet with B18A rod journal. 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 105mm Rod Journal 45mm Main Journal 55mm Weight 37.0 Lbs

BC5049 - Honda/Acura K24 Crankshaft - 4340 Billet - 102mm Stroke w/B18A Rod Journal

4340 billet with B18A rod journal. All cranks are stress relieved, shot peened, magna flux inspec...

4340 billet with B18A rod journal. 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 102mm Rod Journal 45mm Main Journal 55mm Weight 33.6 Lbs

BC5069 - Honda F20C/F22C Crankshaft - 4340 Billet - 97mm Stroke w/OEM Rod Journal

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 97mm Rod Journal 47.95mm Main Journal 55mm Weight 41.0 Lbs

BC5101 - Mitsubishi 4G63 (7 Bolt) Crankshaft - 4340 Billet - 94mm 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 94mm Rod Journal 45mm Main Journal 57mm

BC5109LW - Mitsubishi 4G63 (7 Bolt) LW Crankshaft - 4340 Billet - 102mm Stroke

4340 billet LightWeight (29.8 lbs). All cranks are stress relieved, shot peened, magna flux inspe...

4340 billet LightWeight (29.8 lbs). 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 102mm Rod Journal 45mm Main Journal 57mm Weight 32.2 Lbs

BC5139 - Mitsubishi 4B11T (Evo X) Crankshaft - 4340 Billet - 98mm 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 98mm Rod Journal 52mm Main Journal 52mm Weight 37.2 Lbs

BC5205 - Nissan SR20DE(T) (GTiR) Crankshaft - 4340 Billet - 91mm 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 91mm Rod Journal 47.96mm Main Journal 54.965mm

BC5209LW - Nissan SR20DE(T) - 4340 Billet LightWeight Crankshaft 91mm Stroke (-7 lbs lighter)

4340 billet LightWeight. All cranks are stress relieved, shot peened, magna flux inspected and ni...

4340 billet LightWeight. 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 91mm Rod Journal 47.96mm Main Journal 54.965mm

BC5219 - Nissan KA24DE Crankshaft - 4340 Billet - 102mm 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 102mm Rod Journal 49.96mm Main Journal 59.97mm

BC5225U - Nissan VQ35DE Crankshaft - 4340 Billet - 86.4mm Stroke, Self Balanced

4340 billet, unbalanced. All cranks are stress relieved, shot peened, magna flux inspected and ni...

4340 billet, unbalanced. 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 86.4mm Rod Journal 51.97mm Main Journal 59.965mm Weight 45.0 Lbs

BC5227U - Nissan VQ35HR Crankshaft - 4340 Billet - 86.4mm Stroke, Self Balanced

4340 billet, unbalanced. All cranks are stress relieved, shot peened, magna flux inspected and ni...

4340 billet, unbalanced. 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 86.4mm Rod Journal 54mm Main Journal 64.96mm Weight 45.1 Lbs

BC5229U - Nissan VQ37HR Crankshaft - 4340 Billet - 92mm Stroke, Self Balanced

4340 billet, unbalanced. All cranks are stress relieved, shot peened, magna flux inspected and ni...

4340 billet, unbalanced. 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 92mm Rod Journal 54mm Main Journal 64.96mm Weight 45.0 Lbs

BC5235 - Nissan RB26/RB25 Crankshaft - 4340 Billet - 73.7mm 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 73.7mm Rod Journal 48mm Main Journal 55mm Weight 52.2 Lbs

BC5239LW - Nissan RB26/RB25 - 4340 Billet LightWeight Crankshaft 79mm 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 79mm Rod Journal 48mm Main Journal 55mm Weight 49.1 Lbs

BC5249U - Nissan VR38DETT Crankshaft - 4340 - 94.4mm Stroke, Self Balanced

4340 billet, unbalanced. All cranks are stress relieved, shot peened, magna flux inspected and ni...

4340 billet, unbalanced. 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 94.4mm Rod Journal 56mm Main Journal 65mm Weight 44.6 Lbs

BC5259LW-114 - Nissan TB48 LightWeight Crankshaft - 4340 Billet - 114mm Stroke (-12 lbs l...

4340 billet with OEM rod journals. All cranks are stress relieved, shot peened, magna flux inspec...

4340 billet with OEM rod journals. 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 114mm Rod Journal 56.92mm Main Journal 71mm Weight 72.9 Lbs

BC5307-84.5 - Toyota 2JZGTE/GE - 4340 Billet Crankshaft, 84.5mm Stroke w/Honda Journal

4340 billet w/Honda Journal. All cranks are stress relieved, shot peened, magna flux inspected an...

4340 billet w/Honda Journal. 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. RS-02-C43F Stroke 84.5mm Rod Journal 47.95mm Main Journal 62mm Weight 59.8 Lbs

BC5307-90 - Toyota 2JZGTE/GE - 4340 Billet Crankshaft, 90mm Stroke w/Honda Journal

4340 billet w/Honda rod journal. All cranks are stress relieved, shot peened, magna flux inspecte...

4340 billet w/Honda rod journal. 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 90mm Rod Journal 47.95mm Main Journal 62mm Weight 59.8 Lbs

BC5307LW-86 - Toyota 2JZGTE/GE - 4340 Billet LightWeight Crankshaft 86mm Stroke w/Honda Jo...

4340 billet LightWeight w/Honda Journal. All cranks are stress relieved, shot peened, magna flux ...

4340 billet LightWeight w/Honda Journal. 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 86mm Rod Journal 47.95mm Main Journal 62mm Weight 48.2 Lbs

BC5308-90 - Toyota 2JZGTE/GE Crank w/Honda Journal - EN40 Billet - 90mm Stroke w/Honda Jou...

Fully CNC machined from EN40 billet and features a Micro Polish finish for increased oil shedding...

Fully CNC machined from EN40 billet and features a Micro Polish finish for increased oil shedding. This crank is designed for 2500+whp! Features Honda journal for aluminum rod clearance. 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 90mm Rod Journal 47.95mm ...

BC5309-90 - Toyota 2JZGTE/GE - 4340 Billet Crankshaft, 90mm Stroke w/Toyota Journal

4340 billet w/OEM Toyota rod journal. All cranks are stress relieved, shot peened, magna flux ins...

4340 billet w/OEM Toyota rod journal. 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 90mm Rod Journal 52mm Main Journal 62mm Weight 59.8 Lbs

BC5309LW-86 - Toyota 2JZGTE/GE LightWeight Crankshaft - 4340 Billet - 86mm Stroke w/Toyota...

4340 billet LightWeight with OEM Toyota rod journal. All cranks are stress relieved, shot peened,...

4340 billet LightWeight with OEM Toyota rod journal. 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 86mm Rod Journal 52mm Main Journal 62mm Weight 48.2 Lbs

BC5309LW-96 - Toyota 2JZGTE LightWeight Crankshaft - 4340 Billet - 96mm Stroke w/Toyota Jo...

4340 billet LightWeight w/Toyota rod journal. All cranks are stress relieved, shot peened, magna ...

4340 billet LightWeight w/Toyota rod journal. 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 96mm Rod Journal 47.95mm Main Journal 62mm Weight 48.5 Lbs

BC5321LW - Toyota B58B30 Crankshaft - 100mm 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 100mm Rod Journal 50mm Main Journal 55mm Weight 52 Lbs

BC5350-95 - Toyota 3SGTE Crankshaft - 4340 Billet - 95mm 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 95mm Rod Journal 48mm Main Journal 55mm Weight 36.6 Lbs

BC5355LW-105 - Toyota 1FZFE LightWeight Crankshaft - 4340 Billet - 105mm Stroke

4340 billet LightWeight. All cranks are stress relieved, shot peened, magna flux inspected and ni...

4340 billet LightWeight. 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 105mm Rod Journal 57mm Main Journal 69mm Weight 76.9 Lbs

BC5359 - Toyota 4AGE 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 42mm Main Journal 48mm Weight 25.2 Lbs

BC5369U - Toyota 1GRFE Crankshaft - 4340 Billet - 103mm Stroke, Self Balanced

4340 billet, unbalanced. All cranks are stress relieved, shot peened, magna flux inspected and ni...

4340 billet, unbalanced. 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 103mm Rod Journal 56mm Main Journal 72.10mm Weight 50.1 Lbs

BC5428 - Ford Coyote, 4340 Billet 3.750" Stroke w/1.888" Crank Pin - Unbalanced

4340 billet featuring Honda Journal (1.888" pin). All cranks are stress relieved, shot peened, ma...

4340 billet featuring Honda Journal (1.888" pin). 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. Comes unbalanced, add $250 for balancing with proper bobweight. Stroke 3.750" Rod Journal 1.888" Main Journal 2.660"

BC5456-LS7 - Chevrolet LS7 Wet Sump Crankshaft - 4340 Forging - 4.000" Stroke, Self Balanc...

LS Series for dry sump snout, 4340 non-twist forging, unbalanced for the GM LS7 (dry sump). All c...

LS Series for dry sump snout, 4340 non-twist forging, unbalanced for the GM LS7 (dry sump). 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. Add $250 for precision balancing with provided bobweights. Stroke 4.000" Rod Journal 2.0987" Main Journal 2.558"

BC5458-LS7 - Chevrolet LS7 Dry Sump Crankshaft - 4340 Forging - 4.125" Stroke, Self Balanc...

LS Series for dry sump snout, 4340 non-twist forging, unbalanced for the GM LS7 (dry sump). All c...

LS Series for dry sump snout, 4340 non-twist forging, unbalanced for the GM LS7 (dry sump). 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. Add $250 for precision balancing with provided bobweights. Stroke 4.125" Rod Journal 2.0987" Main Journal 2.558"

BC5459-LS7 - Chevrolet LS7 Dry Sump Crankshaft - 4340 Forging - 4.250" Stroke, Self Balanc...

LS Series for dry sump snout, 4340 non-twist forging, unbalanced for the GM LS7 (dry sump). All c...

LS Series for dry sump snout, 4340 non-twist forging, unbalanced for the GM LS7 (dry sump). 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. Add $250 for precision balancing with provided bobweights. Stroke 4.250" Rod Journal 2.0987" Main Journal 2.558"

BC5509 - Hyundai G6DA V6 Crankshaft - 4340 Billet - 93mm Stroke, Fully Balanced

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

4340 billet steel. 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 93mm Rod Journal 55mm Main Journal 69mm Weight 39.4 Lbs

BC5605 - Subaru EJ205 (WRX) Crankshaft - 4340 Billet - 75mm 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 75mm Rod Journal 52mm Main Journal 60mm Weight 19.2 Lbs

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

BC5789 - BMW BMW N54B30 Crankshaft - 4340 Billet - 93.6mm Stroke

4340 billet. Fits BMW N54/M54B30 engine blocks. All cranks are stress relieved, shot peened, magn...

4340 billet. Fits BMW N54/M54B30 engine blocks. 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 93.6mm Rod Journal 49.98mm Main Journal 55.97mm Weight 62 Lbs

BC5900 - Polaris XP 1000 (2014-23) Stock Stroke Crankshaft 73.5mm w/180° Crank Pin

Stock stroke 73.5mm XP 1000 (180° pin), CNC machined from 4340 billet round bar. All cranks are s...

Stock stroke 73.5mm XP 1000 (180° pin), CNC machined from 4340 billet round bar. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights, rod and main journals are finish sized to work with blue or green Polaris bearings using aftermarket rods. No balancing required prior to installation due to 180° offset pins. Stroke 73.5mm Rod Journal 40.93mm Main Journal 40.98mm Weight 19.2 ...

BC5905 - Polaris XPEDITION XP1000 (23-up) Stroker Crankshaft 78mm w/180° Crank Pin

New Polaris XPEDITION crankshafts in 78mm stroke (180° pin) Stroker (+4.5mm) CNC machined from 43...

New Polaris XPEDITION crankshafts in 78mm stroke (180° pin) Stroker (+4.5mm) CNC machined from 4340 billet round bar. These cranks are purpose built for the non-stator side snout and feature the new PTO design snout in the 2024-up XP1000 engine. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights, rod and main journals are finish sized to work with blue or green Polaris bearings usin...

BC5911-75 - Fully Balanced Polaris XP Turbo (16-up) Stroker Crankshaft 75mm w/270° Crank Pin

75mm XP Turbo (270° pin) Stock Stroke - This crank comes fully system balanced to customer bobwei...

75mm XP Turbo (270° pin) Stock Stroke - This crank comes fully system balanced to customer bobweight specifications. CNC machined from 4340 billet round bar. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights, rod and main journals are finish sized to work with blue or green Polaris bearings using aftermarket rods. These cranks are fully system balanced to the following bobweight: •...

BC5916 - Polaris Pro R (22-up) Stock Stroke Crankshaft 73.5mm

73.5mm Pro R Stock Stroke - CNC machined from 4340 billet round bar. All cranks are stress reliev...

73.5mm Pro R Stock Stroke - CNC machined from 4340 billet round bar. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights, rod and main journals are finish sized to work with blue or green Polaris bearings using aftermarket rods.  Stroke 73.5mm Rod Journal 45mm Main Journal 52mm Weight 34 Lbs

BC5917LW - Polaris Pro R (22-up) 78mm LightWeight Stroke Crankshaft

78mm Pro R Stroker Crank - LightWeight design with four  counterweights removed for normally aspi...

78mm Pro R Stroker Crank - LightWeight design with four  counterweights removed for normally aspirated applications. CNC machined from 4340 billet round bar. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights, rod and main journals are finish sized to work with blue or green Polaris bearings using aftermarket rods.  Stroke 78mm Rod Journal 45mm Main Journal 52mm Weight 29 L...