Camshaft, Hydraulic Tappet 231-237



Great hot street camshaft for the 400 or 425 engine. Deep tone in the exhaust and noticeable chop as well. Works well with  compression ratios of 9.9 to 10.2. Can be used with automatic or manual transmission. Suggested gear ratio with automatic 3.42 to 4.10. Manual transmission gear ratio suggested 3.73-4.30.  Factory, W-30 or aftermarket intake, factory exhaust manifolds acceptable. Factory rocker arms, roller tip rockers or True roller rockers acceptable. Increased torque output with headers, enhanced ignition system suggested. RPM 2800 to 5500

@.050 231 int.
@.050 237 exh.
Lobe separation 110
Int. Lift .490
Exh. Lift .478

suggested lifters