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Weekend driver, for modified 5.7L thru 6.0L, choppy idle, upgraded cylinder heads and valvetrain required, headers and aft cat exhaust required, 11.5+ compression ratio advised, low ratio gearing required, auto trans w/3200- 3600 stall converter, computer upgrades required, good w/1.8:1 ratio rocker arms

Lift Intake: .551" / Exhaust .551"