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Crane Cams 28747-1

Energizer Rocker Arms 1967-81 Pontiac 265-455 V8 with straight rocker arm studs

Crane Cams 28747-1

271-28747-1

jegs shipping
Ships 12/15/16 if Ordered Today
Crane Cams 28747-1 Energizer Rocker Arms 1967-81 Pontiac 265-455 V8 with straight rocker arm studs $13.89
Energizer Rocker Arms
  • 1967-81 Pontiac 265-455 V8 with straight rocker arm studs
  • Ratio: 1.65
  • Stud Diameter: 7/16"
  • Quantity: 1

  • Crane Cams 28747-1 Details

    Pontiac

    Increased ratio with enlarged stud diameter. On engines not equipped with 7/16" rocker arm studs, cylinder head machining is required for the installation of 99157-16 7/16" rocker arm studs. *This product is applicable only to pre-1966 California and pre1968 federally certified passenger cars. It is also applicable to non-emission controlled trucks and similar vehicles. It is not applicable or intended for use on any emission controlled vehicles operated on highways or roads.

    Crane Cams Energizer Roller Rocker Arms feature a die formed aluminum body with needle bearing fulcrum and roller tip. The needle bearing fulcrum and roller tip reduces friction, lowers engine oil temperature, improves response, increases HP and RPM. Aerospace vacuum die-formed aluminum main body offers extreme strength and light weight. Great for street and moderate race use.

    Die-formed aluminum body is larger than stock, may require modifications to stock valve covers for clearance.

    Features:
  • Die-Formed Cast Aluminum
  • CNC Machined
  • Heavy-Duty Precision Ground Steel Needle Bearings
  • Heat-Treated Roller Tips
  • For Use With Valve Springs Up To 450 lbs Open Pressure

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