COMP Cams 20-309-4 Magnum Muscle Hydraulic Camshaft, Mopar S/B
Hydraulic Flat Tappet Camshaft Type, 1800 to 5800 RPM Range, 268 Intake Duration
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Magnum Muscle These cams follow the tradition of COMP Cams excellence and offer a step up from original equipment cam designs. Hydraulic-Factory I.D. #2899206 for,340 cu.in., 1968-71, Factory 275 H.P. 340 cu.in., 1970, Factory 290 H.P. 340 cu.in., 1972-73, Factory 240 H.P. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.
- Great high RPM power
- Easy on valve train parts
- Can be used with mild ratio rocker arms & traditional performance valve springs
- Best with aftermarket converter & 9.5:1+ compression
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Q & A
What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!