Comp Cams Int. Harvester High Energy 252H 335i

Comp Cams Int. Harvester High Energy 252H 335iInt. Harvester High Energy 252H Hydraulic Low end power, strong torque, good mileage, best for 304 with stock transmission. Specifications Lifter Type: Hydraulic Lifter Engine Family: International Harvester 304 392 c. i. 8 cyl. 1970 1978 Cam Family: High Energy" Hydraulic Flat Tappet Camshafts RPM Range: 800 to 4500 Valve Timing: 0 Lobe Separation: 110 Intake Centerline: 106 Valve Lash: Hyd.(Intake) Hyd.(Exhaust) Duration: 252(Intake) 252(Exhaust)

Scottsdale 1968 - 1974 Chevrolet K20 Pickup Base 1968 - 1974 Chevrolet K20 Suburban Base 1985 Chevrolet K20 Suburban Scottsdale

25 inch (83mm) at turbo inlet

particularly when running E85 fuel

Front and rear staggered sizing

MAGNUM Roller Rocker Arms

and an aggressive exhaust note that makes your S55 come alive

Sierra Classic 1987 - 1991 GMC V1500 Suburban Base 1987 GMC V1500 Suburban High Sierra 1987 - 1989 GMC V1500 Suburban Sierra Classic 1990 GMC V1500 Suburban SLE 1987 GMC V2500 High Sierra

Choose from our exquisite range of finishes including Stealth Black Glazing Black or Prestige Carbon to elevate the aesthetic appeal of your vehicle

* Set Includes Lifters:

Autoclave-cured for strength and lightweight performance

Custom Deluxe 1981 - 1986 Chevrolet K5 Blazer Custom 1981 Chevrolet K5 Blazer Deluxe 1984 Chevrolet K5 Blazer Scottsdale 1978 - 1986 Chevrolet K5 Blazer Silverado 1987 Chevrolet R10 Silverado

High Performance Street/Strip Needs 9:1 Compression