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$149.99
COMP Cams 12-268-4 S/B Chevy Vacuum Rule Hydraulic Cam, 1800-5800 RPM
COMP Cams 12-268-4 S/B Chevy Vacuum Rule Hydraulic Cam, 1800-5800 RPM
Chevy Small Block V8, Hydraulic Flat Tappet Camshaft Type, 1800-5800 RPM Range, Steel
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COMP Cams 12-268-4 S/B Chevy Vacuum Rule Hydraulic Cam, 1800-5800 RPM
Part # 282122684
$149.99
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Details
Camshaft Type:
Hydraulic Flat Tappet
RPM Range:
1800-5800
Lobe Separation:
114 °
Intake Duration @ .050" Lift:
224
Exhaust Duration @ .050" Lift:
230
GTIN Code:
036584063292
Material Type:
Steel
Sold in Quantity:
Each
Info
There are many things that effect vacuum. Camshaft lobe separation, lifter style, intake manifold, piston rings, compression ratio and overall valve and engine condition. Due to many and varied engine combinations, Speedway Motors offers no warranty on camshaft and or lifters for either performance, vacuum or longevity.
Must be used with break-in oil additive (sold separately).
Vacuum Rule Cam Chart (GIF)
282-122684 Specs (PDF)
Item Details
For use with Rhoads Hydraulic Lifters
Some parts are not legal for use in California or other states with similar laws/regulations
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Reviews
Q & A
Videos
-
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!