Crankshafts

Eagle lightweight forged 4340 steel Cranks feature a non-twist forging, lightweight counterweight design to reduce rotating weight, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished...

K1 Technologies Chevrolet LS1 Reluctor Ring 24 Tooth

K1 Technologies BB Chevrolet 350 4.250 Stroke Forged Crankshaft

K1 Technologies SB Chevrolet 350 Forged Crank 3.875 Stroke

K1 Technologies SB Chevrolet 350 3.875 Stroke Forged Crankshaft

K1 Technologies SB Chevrolet 350 Forged Crank 3.750 Stroke

K1 Technologies SB Chevrolet 350 Forged Crank 3.562 Stroke

K1 Technologies SB Chevy 350 Forged Crank 3.480 Stroke

K1 Technologies SB Chevrolet 350 Forged Crank 3.480 Stroke

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,...

K1 Technologies Billet GM BBC Crank 4.250 Stroke

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,...

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 forged 4340 steel Cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications.

Eagle forged 4340 steel Cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications.