Crankshafts

The Cosworth fully counterweighted 94mm stroker crankshaft is the perfect way to add torque and engine response to your 4G63 (7 bolt). (PR7863)

Increased engine performance often means increased engine speed and load. Original factory crankshafts may not be able to withstand the added stress resulting in catastrophic engine failure. Additionally, factory Subaru crankshaft rod journals are lubricated from only one...[more]