| Weekend driver, for modified 5.7L thru 6.0L, choppy idle, fair fuel economy, headers and aft cat exhaust advised, 10.8+ compression ratio advised, auto trans w/2800- 3200 stall converter, computer upgrades required, good w/1.8:1 ratio rocker arms.
Lift Intake: .551" / Exhaust .551" | 
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