OPGI.com works best with JavaScript enabled.
1‑800‑243‑8355

As seen on

  • Bitchin' Rides Logo
  • Wrench'd Logo

Comp Cams

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

Free Shipping!
Part# : G201123
Mfg#: CL51-423-11
Sold As: Set
Ship Size: Standard
$1,241.99
List Price: $1,366.95
You Save $124.96

Calendar IconArriving Soon
Vehicle Specific View fitment for 6 models
Add To Wishlist 

1955-81 Pontiac 265-455 V8 XR276HR Hydraulic Roller CL-Kit by COMP Cams®

XR276HR CL-Kit pairs the hydraulic roller camshaft with matched lifters

Designed for 1955-81 Pontiac 265-455 V8, this COMP Cams® Xtreme Energy XR276HR hydraulic roller CL-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 CL-Kit includes the camshaft and matched lifters.

• 1955-81 Pontiac 265-455 V8 application • Xtreme Energy XR276HR grind • Hydraulic Roller design • Valve lift: .502/.510 inch • Duration @ .050: 224/230° • Camshaft and matched lifters included

Notes

  • Stock springs cannot be used.
  • This item is not eligible for any further discounts or promotional pricing.
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 (stock springs cannot be used) & (requires bronze distributor gear)
1959–1977 Pontiac Catalina Hydraulic Roller - XR 276HR (stock springs cannot be used) & (requires bronze distributor gear)
1962–1977 Pontiac Grand Prix Hydraulic Roller - XR 276HR (stock springs cannot be used) & (requires bronze distributor gear)
1964–1973 Pontiac GTO Hydraulic Roller - XR 276HR (req. bronze dist. gear)
1961–1974 Pontiac LeMans 1961–1973: Hydraulic Roller - XR 276HR (req. bronze dist. gear)
1961–1970 Pontiac Tempest Hydraulic Roller - XR 276HR (req. bronze dist. gear)
  • Headshot of OPGI Employee
    Need help finding the right GM restoration parts? Contact a GM Parts Specialist
    Chat Unknown Status Call Toll-Free
    Mon–Fri 8:00–4:30 PT
    Sat 10:00–3:00 PT
     GM Parts Specialist Offline
  • Price Match Guarantee Great parts. Competitive prices. Guaranteed.
  • GM Restoration Experts Since 1982 Over four decades dedicated to GM restoration
  • Original GM Is Our Standard Original GM parts and factory references guide every reproduction
  • A Deeper GM Selection Thousands of restoration, performance, and replacement parts

Customers Who Viewed This Item Also Viewed

Reviews (0)

UH OH! Product reviews didn't load.
Please reload the page, or unblock our review partner Yotpo.com.
Camshaft, Comp Cams Xtreme Energy, CL-Kit XR276HR, Pontiac V8, Hyd Roller
Comp Cams Camshaft, Comp Cams Xtreme Energy, CL-Kit XR276HR, Pontiac V8, Hyd Roller