Magnum™ Cam
These cams are very aggressive, designed for performance oriented vehicles where they will see little street use. Stock components are generally incompatible Changes are needed in rear end gear ratios, headers and the torque converter.

Xtreme Energy™ Cams
Designed to take advantage of the latest improvements in valve train components and the newest developments in camshaft design. Their aggressive lobe design produces better throttle response and top end horsepower than other cams with the same duration @ .050”, while delivering increased engine vacuum.

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COMP Cams

Comp Cams 21-220-4 Xtreme Energy Hyd. Camshaft

Part #: 21-220-4

Chrysler 383-440 C.I. 8 CYL. 1959-1980

Comp Cams 21-225-4 Xtreme Energy Camshaft 59-80 Chrysler 383-440

Part #: 21-225-4

Chrysler 383-440 C.I. 8 CYL. 1959-1980

BB Chrysler 383-440ci Magnum Hyd.Camshaft #21-237-4

Part #: 21-237-4

HYDRAULIC: For 9:1 to 10:1 compression. 383 needs 2500 stall. 440 needs 2000 stall. Use 700-800 CFM carburetor, headers, 3.91+ gear.

BB Chrysler 383-440ci Magnum Hyd.Camshaft #21-242-4

Part #: 21-242-4

HYDRAULIC: Serious street/strip effort. 383 needs 3000-3500 stall. 440 needs 2500-3500. 750 to 800 CFM carb & headers, 3.91 gear up

BB Chrysler 383-440ci Magnum Hyd.Camshaft #21-243-4

Part #: 21-243-4

HYDRAULIC: Pro street 383 needs 3500-3700 stall. 440 needs 3000-3300 stall. 850 CFM carb 10:1 up. Headers and good int. 3.90-4.30 gear.

BB Chrysler 383-440ci Magnum Hyd.Camshaft #21-306-4

Part #: 21-306-4

HYDRAULIC: Great replacement for 440 with 700-800 CFM or Six Pack. Noticeable idle in 383. Slight idle in 440. Largest cam w/stock converter