K1 Crankshaft Subaru EJ20 79mm Stroker

K1 Technologies Subaru Crankshafts

K1 Crankshaft Subaru EJ25 79mm 

Manufactured from forged or billet premium 4340 steel

Engineered specifically for high-stress racing applications

Nitrided for improved strength and bearing life

Large fillet radii for improved strength

Straight hole oiling system for improved lubrication

Size tolerances held to +/-.0001".