About this product
Mutha' Thumpr™; Hyd. Flat Tappet; '58-'98 Chevy Small Block
Includes Cam & Lifters
• Hydraulic Flat Tappet; For '58-'98 262-400 cid Small Block Engines w/ Flat Tappet Cam
• High Performance Street/Strip • Needs 9:1 Compression, 2500+ Stall, Intake, Gears & Headers • Rough 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.






