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Comp Cams

Camshaft, Comp Cams Xtreme Energy, K-Kit XR276HR, Pontiac V8, Hyd Roller

Part# : G201113
Mfg#: K51-423-11
Sold As: Set
Ship Size: Oversize 1
$1,534.99
List Price: $1,688.95
You Save $153.96

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Vehicle Specific View fitment for 6 models
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1955-81 Pontiac 265-455 V8 XR276HR Hydraulic Roller K-Kit by COMP Cams®

XR276HR K-Kit combines the documented cam grind with matched valvetrain components

Designed for 1955-81 Pontiac 265-455 V8, this COMP Cams® Xtreme Energy XR276HR hydraulic roller K-Kit uses .502/.510-inch valve lift, 276/282° advertised duration, 224/230° duration at .050 inch and a 110° lobe-separation angle. Its 1800-5600 RPM range is suited to street-machine use; headers, lower gears and 2200+ stall recommended. The K-Kit includes the camshaft, lifters, valve springs, retainers, locks, valve seals and timing set.

• 1955-81 Pontiac 265-455 V8 application • Xtreme Energy XR276HR grind • Hydraulic Roller cam design • Valve lift: .502/.510 inch • Duration @ .050: 224/230° • Complete matched valvetrain K-Kit

Notes

  • This item is not eligible for any further discounts or promotional pricing.
  • This item is Oversize 1, and is excluded from free ground shipping.
3
This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only. Learn More
We aim to provide accurate and complete product information. If you notice anything incorrect, missing, or unclear, please let us know.
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1958–1977 Pontiac Bonneville Hydraulic Roller - XR 276HR (requires bronze distributor gear)
1959–1977 Pontiac Catalina Hydraulic Roller - XR 276HR (requires bronze distributor gear)
1962–1977 Pontiac Grand Prix Hydraulic Roller - XR 276HR (requires bronze distributor gear)
1964–1973 Pontiac GTO Hydraulic Roller - XR 276HR (req. bronze dist. gear)
1964–1974 Pontiac LeMans 1964–1973: Hydraulic Roller - XR 276HR (req. bronze dist. gear)
1964–1970 Pontiac Tempest Hydraulic Roller - XR 276HR (req. bronze dist. gear)
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Camshaft, Comp Cams Xtreme Energy, K-Kit XR276HR, Pontiac V8, Hyd Roller
Comp Cams Camshaft, Comp Cams Xtreme Energy, K-Kit XR276HR, Pontiac V8, Hyd Roller