About this product
Excellent for street machines. Use 2500+ stall, headers, 9:1+ compression and lower gears. Rough 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.






