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, Nitrous HP, Hydraulic Flat, Advertised Duration 268/286, Lift .515/.547, For Chevrolet Big Block 396-454, Each

COMP Cams Camshaft, Nitrous HP, Hydraulic Flat, Advertised Duration 268/286, Lift .515/.547, For Chevrolet Big Block 396-454, Each

$410.24

View
Crow Cams Camshaft, Chev Big Block Hydraulic, Adv. Duration 304/316, Valve Lift 0.57/0.57

Crow Cams Camshaft, Chev Big Block Hydraulic, Adv. Duration 304/316, Valve Lift 0.57/0.57

$343.38

View
Crow Cams Camshaft, Chev Big Block Hydraulic, Adv. Duration 268/288, Valve Lift 0.481/0.512

Crow Cams Camshaft, Chev Big Block Hydraulic, Adv. Duration 268/288, Valve Lift 0.481/0.512

$343.38

View
COMP Cams Camshaft, Xtreme Energy, Hydraulic Flat, Advertised Duration 250/260, Lift .470/.475, For Chevrolet Big Block 396-454, Each

COMP Cams Camshaft, Xtreme Energy, Hydraulic Flat, Advertised Duration 250/260, Lift .470/.475, For Chevrolet Big Block 396-454, Each

$411.20

View
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

$416.16

View