About this product
Strong low speed torque, good economy. Best in 396-402c.i., stock transmission and gear ratios. Very smooth idle.
Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts
Description supplied by JDMuscle through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






