COMP Cams 12-240-4 S/B Chevy Vacuum Rule Hydraulic Cam, 1600-5800 RPM
- This item ships directly from the manufacturer. It may take an additional 2 business days for COMP Cams to ship this item.
- This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
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)
282-122404 Specs (PDF)
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