Product Description
BBC 477 to 496 with 4.25” stroke with OEM 188 or 990’s ProMaxx or RHS 320s. Max rpm 5800-6200. For those of you that go old school and want to use the legendary GM Square Ports this is your cam. Welcome to the brotherhood of BBC that make 600HP and 600#/ft on pump gas! This cam will also work with the listed aftermarket aluminum heads. Single plane intake would be your best choice and you will not sacrifice any torque. Carburetor of choice is a 950HP 4150. 2” headers are recommended. Will show no mercy on manual transmission.
850 Idle RPM
*** May Require a Vacuum Canister on Some Applications
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Part. No.160-3106 Grind # HR-9202-7-CSR
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Advertised Duration 292/302
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Duration @ .050 - 233/243
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.200” Duration - 152/158
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Lift .620/.600
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Centers 103/111
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LSA 107
WARNING: May Cause Cancer and Reproductive Harm - www.P65warnings.ca.gov
