About this product
Classic Big Mutha' Thumpr 242/257 Hydraulic Flat Cam for Chevrolet 348-409. Street/strip, aluminum heads necessary, 2500+ stall, gears and headers, very rough idle.
Description supplied by Titan Motorsports through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






