COMP Cams 1980-1986 Chevrolet C3-C4 Corvette Camshaft CS XR276HR-10
Xtreme Energy 224/230 Hydraulic Roller Cam for Chevy Small Block. Very strong torque with excellent mileage and a smooth idle. Xtreme Energy Cams bridge the gap between Magnum street cams and race only cams. Xtreme Energy Cams provide increased torque, vacuum, response, and power while still providing quiet operation of the valve train and the durability required in daily driven vehicles. Xtreme Energy 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: Works best with COMP Cams roller rockers and matched valve springs. Requires other performance parts (intake manifold, headers, etc.) for best performance. Camshaft Part #12-423-8 Grind #XR276HR-10. Duration @ 0.006": 276/ 282deg. Duration @ 0.050": 224/ 230deg. Max Lift w/ 1.5RR: .502" / .510". Lobe Separation: 110deg Lobe ID#'s: 3314 / 3315. Intake Centerline:106deg. Engine Type: Chevrolet 350 Small Block. Bore: 4.040". Stroke: 3.480". Displacement: 356ci. Compression: 9.25:1. Heads: Dart S/R. Intake: Edelbrock performer. Carburetor: Holley #3310 Vac. Sec. Exhaust: 1 5/8" Headers. Max Torque: 427 ft/lbs @ 3700 RPM. Max Power: 373 HP @ 5200 RPM. Manifold Vacuum: 12" Hg @ 800 RPM & 14" Hg @ 1000 RPM w/ no load.
CatalogUser 1
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1995-1996 | AM General | Hummer | Base |
| 1980-1985,1987-1991 | Avanti | II | Base |
| 1985 | Avanti | II | GT |
| 1980 | Buick | Century | Base |
| 1980 | Buick | Century | Estate |
| 1980 | Buick | Century | Limited |
| 1991-1996 | Buick | Commercial Chassis | Base |
| 1980 | Buick | Regal | Base |
| 1980 | Buick | Regal | Limited |
| 1992-1995 | Buick | Roadmaster | Base |
| 1996 | Buick | Roadmaster | Collector's Edition |
| 1991-1995 | Buick | Roadmaster | Estate Wagon |
| 1996 | Buick | Roadmaster | Estate Wagon Collector's Edition |
| 1992-1995 | Buick | Roadmaster | Limited |
| 1996 | Buick | Roadmaster | Limited Collector's Edition |
| 1990-1992 | Cadillac | Brougham | Base |
| 1990-1992 | Cadillac | Brougham | d'Elegance |
| 1994-1996 | Cadillac | Commercial Chassis | Base |
| 1992-1996 | Cadillac | Commercial Chassis | Brougham |
| 1993-1996 | Cadillac | Fleetwood | Base |
| 1993-1996 | Cadillac | Fleetwood | Brougham |
| 1980-1982 | Checker | Marathon | Base |
| 1980-1982 | Checker | Marathon | Deluxe |
| 1994 | Chevrolet | Blazer | Base |
| 1992-1993 | Chevrolet | Blazer | Cheyenne |
| 1987 | Chevrolet | Blazer | Custom Deluxe |
| 1988-1991 | Chevrolet | Blazer | Scottsdale |
| 1987-1994 | Chevrolet | Blazer | Silverado |
| 1994 | Chevrolet | Blazer | Silverado Sport |
| 1980 | Chevrolet | C10 | Big Ten |
| 1980-1981 | Chevrolet | C10 | Cheyenne |
| 1981-1986 | Chevrolet | C10 | Custom |
| 1980 | Chevrolet | C10 | Custom Deluxe |
| 1981 | Chevrolet | C10 | Deluxe |
| 1980-1986 | Chevrolet | C10 | Scottsdale |
| 1980-1986 | Chevrolet | C10 | Silverado |
| 1981-1986 | Chevrolet | C10 Suburban | Custom |
| 1980 | Chevrolet | C10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C10 Suburban | Deluxe |
| 1980,1982,1984-1986 | Chevrolet | C10 Suburban | Scottsdale |
| 1980,1982-1986 | Chevrolet | C10 Suburban | Silverado |
| 1994-1995 | Chevrolet | C1500 | Base |
| 1988-1995 | Chevrolet | C1500 | Cheyenne |
| 1988-1992 | Chevrolet | C1500 | Scottsdale |
| 1988-1995 | Chevrolet | C1500 | Silverado |
| 1990-1995 | Chevrolet | C1500 | WT |
| 1992-1995 | Chevrolet | C1500 Suburban | Base |
| 1995 | Chevrolet | C1500 Suburban | LS |
| 1995 | Chevrolet | C1500 Suburban | LT |
| 1992-1994 | Chevrolet | C1500 Suburban | Silverado |
| 1980-1981 | Chevrolet | C20 | Cheyenne |
| 1981-1986 | Chevrolet | C20 | Custom |
| 1980 | Chevrolet | C20 | Custom Deluxe |
| 1981 | Chevrolet | C20 | Deluxe |
| 1980-1986 | Chevrolet | C20 | Scottsdale |
| 1980-1986 | Chevrolet | C20 | Silverado |
| 1981-1986 | Chevrolet | C20 Suburban | Custom |
| 1980 | Chevrolet | C20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C20 Suburban | Deluxe |
| 1980,1982,1984-1986 | Chevrolet | C20 Suburban | Scottsdale |
| 1980,1982-1986 | Chevrolet | C20 Suburban | Silverado |
| 1994-1995 | Chevrolet | C2500 | Base |
| 1988-1995 | Chevrolet | C2500 | Cheyenne |
| 1988-1992 | Chevrolet | C2500 | Scottsdale |
| 1988-1995 | Chevrolet | C2500 | Silverado |
| 1994-1995 | Chevrolet | C2500 | WT |
| 1992-1995 | Chevrolet | C2500 Suburban | Base |
| 1995 | Chevrolet | C2500 Suburban | LS |
| 1995 | Chevrolet | C2500 Suburban | LT |
| 1992-1994 | Chevrolet | C2500 Suburban | Silverado |
| 1980-1981 | Chevrolet | C30 | Cheyenne |
| 1981-1986 | Chevrolet | C30 | Custom |
| 1980 | Chevrolet | C30 | Custom Deluxe |
| 1981 | Chevrolet | C30 | Deluxe |
| 1980-1986 | Chevrolet | C30 | Scottsdale |
| 1980-1986 | Chevrolet | C30 | Silverado |
| 1994-1995 | Chevrolet | C3500 | Base |
| 1988-1995 | Chevrolet | C3500 | Cheyenne |
| 1988-1992 | Chevrolet | C3500 | Scottsdale |
| 1988-1995 | Chevrolet | C3500 | Silverado |
| 1980 | Chevrolet | Camaro | Base |
| 1980-1986 | Chevrolet | Camaro | Berlinetta |
| 1985-1986 | Chevrolet | Camaro | Iroc-Z |
| 1980 | Chevrolet | Camaro | Rally Sport |
| 1981-1986 | Chevrolet | Camaro | Sport |
| 1980-1986 | Chevrolet | Camaro | Z28 |
| 1982 | Chevrolet | Camaro | Z28 Indianapolis 500 Pace Car |
| 1986-1992 | Chevrolet | Caprice | Base |
| 1980-1996 | Chevrolet | Caprice | Classic |
| 1986-1990 | Chevrolet | Caprice | Classic Brougham |
| 1981-1982 | Chevrolet | Caprice | Classic Estate |
| 1980-1981 | Chevrolet | Caprice | Classic Landau |
| 1993-1994 | Chevrolet | Caprice | Classic LS |
| 1987-1990 | Chevrolet | Caprice | Classic LS Brougham |
| 1991-1993 | Chevrolet | Caprice | Classic LTZ |
| 1980 | Chevrolet | Caprice | Classic Sport |
| 1991-1994 | Chevrolet | Commercial Chassis | Base |
| 1980-1982,1984-1986 | Chevrolet | Corvette | Base |
| 1982 | Chevrolet | Corvette | Collector's Edition |
| 1986 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 1980-1987 | Chevrolet | El Camino | Base |
| 1981-1986 | Chevrolet | El Camino | Conquista |
| 1980-1981 | Chevrolet | El Camino | Royal Knight |
| 1980-1987 | Chevrolet | El Camino | SS |
| 1996 | Chevrolet | Express 2500 | LS |
| 1983 | Chevrolet | G10 | Base |
| 1980-1995 | Chevrolet | G10 | Beauville |
| 1981-1984,1986-1987 | Chevrolet | G10 | Bonaventure |
| 1980-1995 | Chevrolet | G10 | Chevy Van |
| 1980-1995 | Chevrolet | G10 | Sportvan |
| 1980-1995 | Chevrolet | G20 | Beauville |
| 1983-1984 | Chevrolet | G20 | Bonaventure |
| 1980-1995 | Chevrolet | G20 | Chevy Van |
| 1980-1981 | Chevrolet | G20 | Nomad |
| 1980-1995 | Chevrolet | G20 | Sportvan |
| 1980-1996 | Chevrolet | G30 | Beauville |
| 1983-1984 | Chevrolet | G30 | Bonaventure |
| 1980-1996 | Chevrolet | G30 | Chevy Van |
| 1980-1996 | Chevrolet | G30 | Hi-Cube |
| 1980-1996 | Chevrolet | G30 | Sportvan |
| 1980-1985 | Chevrolet | Impala | Base |
| 1981-1982 | Chevrolet | Impala | Estate |
| 1980 | Chevrolet | Impala | Sport |
| 1994-1996 | Chevrolet | Impala | SS |
| 1980-1981 | Chevrolet | K10 | Cheyenne |
| 1981-1986 | Chevrolet | K10 | Custom |
| 1980 | Chevrolet | K10 | Custom Deluxe |
| 1981 | Chevrolet | K10 | Deluxe |
| 1980-1986 | Chevrolet | K10 | Scottsdale |
| 1980-1986 | Chevrolet | K10 | Silverado |
| 1981-1986 | Chevrolet | K10 Suburban | Custom |
| 1980 | Chevrolet | K10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K10 Suburban | Deluxe |
| 1980,1982,1984-1986 | Chevrolet | K10 Suburban | Scottsdale |
| 1980,1982-1983,1985-1986 | Chevrolet | K10 Suburban | Silverado |
| 1994-1995 | Chevrolet | K1500 | Base |
| 1988-1995 | Chevrolet | K1500 | Cheyenne |
| 1988-1992 | Chevrolet | K1500 | Scottsdale |
| 1988-1995 | Chevrolet | K1500 | Silverado |
| 1991 | Chevrolet | K1500 | Sport |
| 1990-1995 | Chevrolet | K1500 | WT |
| 1992-1995 | Chevrolet | K1500 Suburban | Base |
| 1995 | Chevrolet | K1500 Suburban | LS |
| 1995 | Chevrolet | K1500 Suburban | LT |
| 1992-1994 | Chevrolet | K1500 Suburban | Silverado |
| 1980-1981 | Chevrolet | K20 | Cheyenne |
| 1981-1986 | Chevrolet | K20 | Custom |
| 1980 | Chevrolet | K20 | Custom Deluxe |
| 1981 | Chevrolet | K20 | Deluxe |
| 1980-1986 | Chevrolet | K20 | Scottsdale |
| 1980-1983,1985-1986 | Chevrolet | K20 | Silverado |
| 1981-1986 | Chevrolet | K20 Suburban | Custom |
| 1980 | Chevrolet | K20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K20 Suburban | Deluxe |
| 1980,1982,1984-1986 | Chevrolet | K20 Suburban | Scottsdale |
| 1980,1982-1983,1985-1986 | Chevrolet | K20 Suburban | Silverado |
| 1994-1995 | Chevrolet | K2500 | Base |
| 1988-1995 | Chevrolet | K2500 | Cheyenne |
| 1988-1992 | Chevrolet | K2500 | Scottsdale |
| 1988-1995 | Chevrolet | K2500 | Silverado |
| 1994-1995 | Chevrolet | K2500 | WT |
| 1992-1995 | Chevrolet | K2500 Suburban | Base |
| 1995 | Chevrolet | K2500 Suburban | LS |
| 1995 | Chevrolet | K2500 Suburban | LT |
| 1992-1994 | Chevrolet | K2500 Suburban | Silverado |
| 1980-1981 | Chevrolet | K30 | Cheyenne |
| 1981-1986 | Chevrolet | K30 | Custom |
| 1980 | Chevrolet | K30 | Custom Deluxe |
| 1981 | Chevrolet | K30 | Deluxe |
| 1980-1986 | Chevrolet | K30 | Scottsdale |
| 1980-1986 | Chevrolet | K30 | Silverado |
| 1994-1995 | Chevrolet | K3500 | Base |
| 1988-1995 | Chevrolet | K3500 | Cheyenne |
| 1988-1992 | Chevrolet | K3500 | Scottsdale |
| 1988-1995 | Chevrolet | K3500 | Silverado |
| 1980 | Chevrolet | K5 Blazer | Cheyenne |
| 1981-1986 | Chevrolet | K5 Blazer | Custom |
| 1980 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1984 | Chevrolet | K5 Blazer | Scottsdale |
| 1980-1986 | Chevrolet | K5 Blazer | Silverado |
| 1980-1981 | Chevrolet | Malibu | Base |
| 1980-1983 | Chevrolet | Malibu | Classic |
| 1980 | Chevrolet | Malibu | Classic Estate |
| 1980-1981 | Chevrolet | Malibu | Classic Landau |
| 1980 | Chevrolet | Malibu | Classic Sport |
| 1980 | Chevrolet | Malibu | Estate |
| 1980 | Chevrolet | Malibu | Sport |
| 1981-1988 | Chevrolet | Monte Carlo | Base |
| 1983 | Chevrolet | Monte Carlo | CL |
| 1980-1981 | Chevrolet | Monte Carlo | Landau |
| 1986-1988 | Chevrolet | Monte Carlo | LS |
| 1980 | Chevrolet | Monte Carlo | Sport |
| 1983-1988 | Chevrolet | Monte Carlo | SS |
| 1980-1989 | Chevrolet | P20 | Base |
| 1980-1985,1987-1989 | Chevrolet | P20 | Step-Van |
| 1980-1996 | Chevrolet | P30 | Base |
| 1980-1985,1987-1990 | Chevrolet | P30 | Step-Van |
| 1987 | Chevrolet | R10 | Custom Deluxe |
| 1987 | Chevrolet | R10 | Scottsdale |
Customer Care
Frequently Asked Questions
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Blog posts
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Read moreGM engineers explain the 2027 Corvette's LS6, LT6 and LT7 V8s in Chevrolet's own newsroom — and why reports say the LS6 could carry into the C9. Click to read the full story!
Read moreChevrolet switched on the Build & Price configurator for the 2027 Corvette Grand Sport X on August 25, which makes the entire 2027 lineup configurable at last. The 1LT coupe starts at $112,195 with carbon-ceramic brakes, Magnetic Ride Control and 721 combined horsepower standard. Inside: what you can spec, the one $500 performance package, two options showing that the order guide says can't be ordered yet, every confirmed spec on the car, and a side-by-side of all six 2027 Corvettes.
