About this product
Thumpr 227/241 Hydraulic Flat Cam for Chevrolet Big Block 396-454
High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
Description supplied by AMS RACING through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.
