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.

More From This Category

COMP Cams Camshaft, Magnum, Hydraulic Flat, Advertised Duration 286/286, Lift .556/.556, For Chevrolet Big Block 396-454, Each

COMP Cams Camshaft, Magnum, Hydraulic Flat, Advertised Duration 286/286, Lift .556/.556, For Chevrolet Big Block 396-454, Each

$502.87

COMP Cams Camshaft, 4-Pattern, Hydraulic Roller, Advertised Duration 307 OB/305 IB Int, 319 OB/317 IB Exh, .678 OB/.678 IB Int. Lift, .661 OB/.661 I

COMP Cams Camshaft, 4-Pattern, Hydraulic Roller, Advertised Duration 307 OB/305 IB Int, 319 OB/317 IB Exh, .678 OB/.678 IB Int. Lift, .661 OB/.661 I

$1,277.33

COMP Cams Cam/Lifters/Timing, Xtreme Energy, Hydraulic Flat Cam, Advertised Duration 262/270, Lift .493/.512, AMC 199-258/4.0L

COMP Cams Cam/Lifters/Timing, Xtreme Energy, Hydraulic Flat Cam, Advertised Duration 262/270, Lift .493/.512, AMC 199-258/4.0L

$818.54

COMP Cams Camshaft, XE-R, Hydraulic Roller, Advertised Duration 257/259, Lift .475/.450, For Ford 4.6/5.4/5.8 Modular 4-V, Each

COMP Cams Camshaft, XE-R, Hydraulic Roller, Advertised Duration 257/259, Lift .475/.450, For Ford 4.6/5.4/5.8 Modular 4-V, Each

$3,883.78

COMP Cams Cam / Lifters / Valvetrain Computer Controlled Hydraulic Roller Advertised Duration

COMP Cams Cam / Lifters / Valvetrain Computer Controlled Hydraulic Roller Advertised Duration

$2,401.12