Seller notes

Drag Race Mechanical Roller Camshaft4/7 Swap Firing Order Lift .800"/.800"Duration 310/330RPM Range 4300-8000 *Note:Has a 4 and 7 firing order swap.(18736542)**Note: Requires upgraded gear, thrust button & wear plate.396-454ci, Lower RPM bracket with good heads.Operating Range:4300-8000 RPMDuration Advertised:310° Intake / 330° ExhaustDuration @ .050'' Lift:277° Intake / 292° ExhaustValve Lift w/1.5 Rockers:.800'' Intake / .800'' ExhaustValve Setting:.026'' Intake / .028'' ExhaustLobe COMP C...

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