Crankshafts

Eagle cast crankshaft is great alternative to and an upgrade from an O.E. crankshaft. .092" fillet radiuses mean in increase in strength, but O.E. Replacement bearings can still be used. Recommended for use in pump-gas, naturally-aspirated,...

Our "Pro Series" 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

Eagle forged 4140 steel cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for competition use.

Eagle forged 4140 steel cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for competition use. Includes 58 tooth reluctor.

Eagle forged 4340 steel center-counterweighted Cranks feature a non-twist forging, center counterweights for added stability at high RPM and high-power applications. 125" fillet radiuses for superior strength so chamfered / narrowed bearings required,...

Eagle cast crankshaft is great alternative to and an upgrade from an O.E. crankshaft. .092" fillet radiuses mean in increase in strength, but O.E. Replacement bearings can still be used. Recommended for use in pump-gas, naturally-aspirated,...

Manley Billet CCW 3.622in Stroke Crankshaft w/ 58 Tooth Reluctor Wheel

Wiseco 13-16 Honda CRF450R Clutch Inner Hub

Wiseco 09-12 Honda CRF450R Clutch Inner Hub

Wiseco Yamaha YZ450F/WR450F Clutch Inner Hub

Wiseco Yamaha YZ250F/WR250F Clutch Inner Hub

Wiseco Honda CR125/CRF250 Clutch Inner Hub

Wiseco Honda CR250R/CRF450 Clutch Inner Hub

Wiseco 06-13 YFZ450 Crankshaft Kit

Wiseco 11-14 Polaris RZR800 Crankshaft Kit