COMP Cams Camshaft CRB3 291Th R7 Thumper - 23-601-9

Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for...

High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.CatalogUser 1

Street/ strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.CatalogUser 1

High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.CatalogUser 1

Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance...