Over the years, racing has become big business for teams, sponsors, and manufacturers around the world. However, 'grassroots' motorsports remain at the core of Ford's DNA. Grassroots performance began with Ford and has become a part of American culture...

Over the years, racing has become big business for teams, sponsors, and manufacturers around the world. However, 'grassroots' motorsports remain at the core of Ford's DNA. Grassroots performance began with Ford and has become a part of American culture...

Over the years, racing has become big business for teams, sponsors, and manufacturers around the world. However, 'grassroots' motorsports remain at the core of Ford's DNA. Grassroots performance began with Ford and has become a part of American culture...

Over the years, racing has become big business for teams, sponsors, and manufacturers around the world. However, 'grassroots' motorsports remain at the core of Ford's DNA. Grassroots performance began with Ford and has become a part of American culture...

Ultimate in Pro Street. 3500+ stall, 4.10 or lower gear. Radical idle.

Broad power, lower gear ratio, 2500+ stall with headers. Rough idle.

Outstanding power and modern tight lash with Ford 271 HP 289 cam sound.

Sound of Ford 271 HP 289 cam with hydraulic lifters and increased performance.

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

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

High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.

High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.

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 muscle cars and street rods, the Thumpr series' early...

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

An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts. Ideal for use with higher compression ratio engines...

An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts. Ideal for use with higher compression ratio engines...

Great for street/strip. 4 speed or automatic with 3500+ stall. Intake, headers, low gears, very rough idle, 10:1 compression.

Performance cam for street machines. Lower axle ratio and 2500+ stall with headers. Rough idle. Magnum Muscle Camshaft for 289c.i. 1965-68, factory 271 HP.

An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts. Ideal for use with higher compression ratio engines...

Limited street use or bracket race. 11:1 compression, intake and exhaust. Radical idle. Good for 4 speed or 3500+ stall, 10.5:1+ compression.