Engine Kits

COMP Cams CL35-424-8 Xtreme Energy XR276RF-HR Camshaft & Lifters Kit
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COMP Cams CL35-424-8 Xtreme Energy XR276RF-HR Camshaft & Lifters Kit



Part #: CL35-424-8
List Price: $965.22
Our Price: $482.61
You Save: $482.61



COMP Cams Extreme Energy Camshaft & Lifter Kit. HYDRAULIC ROLLER: Strong mid-range performance, Street machines with 3.55+ gears, 2200+ converter. Benefits:

  • Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
  • More vacuum allows a step up in duration for greater performance
  • Best seller; excellent all around performance in street carbureted applications

Important Considerations:

  • Work best with COMP Cams® roller rockers and matched valve springs
  • Require other performance parts (intake manifold, headers, etc.) for best performance
Advertised Duration 276 int./282 exh.
Advertised Exhaust Duration 282
Advertised Intake Duration 276
Assembly Lubricant Included Yes
Basic Operating RPM Range 1,800-5,800
Brand COMP Cams
Cam Style Hydraulic roller tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 224 int./230 exh.
Exhaust Duration at 050 inch Lift 230
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.513 in.
Gaskets Included No
Grind Number XR276RF-HR
Intake Duration at 050 inch Lift 224
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.513 in.
Lifter Style Hydraulic roller
Lifters Included Yes
Lobe Separation (degrees) 110
Locks Included No
Part Type Camshaft and Lifter Kits
Product Line COMP Cams Xtreme Energy Retro-Fit Cam and Lifter Kits
Pushrods Included No
Quantity Sold as a kit.
Retainers Included No
Rocker Arms Included No
Timing Chain and Gears Included No
Valve Lift with Factory Rocker Arm Ratio 0.513 int./0.513 exh. lift
Valve Springs Included No
Valve Stem Seal Set Included No