COMP Cams Thumpr flat tappet Pro-Plasma nitrided camshafts offer performance and extreme durability. Three unique cam designs--Thumpr, Mutha' Thumpr and Big Mutha' Thumpr--deliver excellent horsepower gains, broad torque curves, and improved surface hardness for your muscle car and street rods. Pro-Plasma nitriding introduces nitrogen into the cam material for improved initial and long-term wear characteristics. It's the best way to increase the hardness and lubricity of Thumpr flat tappet cams. Don't be blinded by the shiny cam finishes--choose race-proven COMP Cams Thumpr Pro-Plasma nitrided camshafts.
CA Residents:
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov