Seller notes

For 1970-1987 GMC Jimmy Camshaft 72586XJ 1971 1972 1973 1974 1975 1976 1977 1978 Review Fitment Notes to Ensure Proper Fit Condition: NewBrand: MellingNotes: Performance -- Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower; Lower Engine Vacuum Than Stock; Advertised Intake Duration 288; Advertised Exhaust Duration 298; Hydraulic CamshaftLifter Type: HydraulicExhaust Valve Lift: 0.466 inIntake Valve Lift: 0.444 inExhaust Duration at .050 inch Lift: 224 degIntake Duration at .050...

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