The outstanding sound of COMP Cams Thumpr Cams is now available for your LS engine! COMP Cams Thumpr LS Master Camshaft Packages come as a complete valve train parts package that is matched for specific LS applications and desired performance. COMP Cams engineers have spent countless hours testing and creating valve train component combinations that are perfectly matched for maximum HP and dependability, as well as creating that wildly popular Thumpr sound in GM LS applications. These Thumpr Camshaft Packages can add anywhere from 60 to 110 HP (depending on the application). These packages will make you Hated By Neighbors, Envied By Friends.

More From This Category

COMP Cams Cam / Lifters / Valvetrain Magnum Solid Flat Advertised Duration 306 / 306 Lift .640 / .

COMP Cams Cam / Lifters / Valvetrain Magnum Solid Flat Advertised Duration 306 / 306 Lift .640 / .

$1,315.90

COMP Cams Camshaft, Tri-Power Xtreme, Hydraulic Roller, Advertised Duration 262/270, Lift .513/.507, For Chevrolet Big Block GEN VI, Each

COMP Cams Camshaft, Tri-Power Xtreme, Hydraulic Roller, Advertised Duration 262/270, Lift .513/.507, For Chevrolet Big Block GEN VI, Each

$1,083.98

Trick Flow Camshaft Set, Hydraulic Roller, Adv. Duration 276/276, Lift .580/.580, Lobe Sep. 114, For Ford 4.6L/5.4L 2V, Pair

Trick Flow Camshaft Set, Hydraulic Roller, Adv. Duration 276/276, Lift .580/.580, Lobe Sep. 114, For Ford 4.6L/5.4L 2V, Pair

$2,421.50

COMP Cams Camshaft, Race, Solid Flat, Advertised Duration 300/314, Lift .600/.594, AMC 290-401, Each

COMP Cams Camshaft, Race, Solid Flat, Advertised Duration 300/314, Lift .600/.594, AMC 290-401, Each

$672.11

Crow Cams Camshaft, Chev Small Block Hydraulic, Adv. Duration 280/290, Valve Lift 0.44/0.465

Crow Cams Camshaft, Chev Small Block Hydraulic, Adv. Duration 280/290, Valve Lift 0.44/0.465

$415.91

Crow Cams Camshaft, LS Cam, Adv. Duration 286/290, Valve Lift 0.612/0.604

Crow Cams Camshaft, LS Cam, Adv. Duration 286/290, Valve Lift 0.612/0.604

$530.87