Very stock engine, 2 bbl or small 4 bbl carb, single or dual exhaust. Light duty or stop and go driving. High rear gears. 145psi cylinder pressure. More torque for stock engines.
Note: All camshafts are supplied without keys. Specify part number 7542 when ordering if you need a new cam key. See the Camshaft Accessory page for more information
Power Ranges: These are the "sweet spot" in the power range. Generally we suggest shifting at 300-500 RPM above the "sweet spot" for the best ET's.
Spring Warning: Our camshafts are not comparable to other manufacturers and require special valve spring pressures to operate and live satisfactorily. ONLY USE springs meeting the specifications listed here or on the provided cam cards. Valve spring pressures and installed heights are supplied with each camshaft.
Caution: Minimum piston-to-valve clearance is .060" intake and .100" exhaust. If your clearance is not adequate, we have tooling to cut deeper valve reliefs. Check our tooling section or call us. Maximum lift with stock guide height is 0.450", more lift requires shortening the valve guides.
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