Comp Cams Xtreme EnergyT XR270HR; 1600 to 5400 RPM Range
Xtreme EnergyT XR270HR; 1600 to 5400 RPM Range
For OE-Style Hydraulic Roller Lifters; Fits '87-'02 305-350 cid Chevy Small Blocks2 (Except LT1)
High performance applications Largest w/ stock converter Noticeable idle
Xtreme EnergyT Cams: Quick opening lobe profiles deliver increased responsiveness, more area under the lift curve & more vacuum which allows an increase in duration for improved performance & assists power brakes Excellent performance in street or street/strip applications Best performance w/ aftermarket intake manifolds, headers, lower gear ratios, etc.
Specifications
RPM Range: 1600-5400
Valve Timing: 0.006
Lobe Separation: 110 Degrees
Intake Centerline: 106 Degrees
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1987 - 1991 | Avanti | II | Base |
| 1991 - 1996 | Buick | Commercial Chassis | Base |
| 1991 - 1993 | Buick | Roadmaster | Estate Wagon |
| 1992 - 1993 | Buick | Roadmaster | Limited, Base |
| 1990 - 1992 | Cadillac | Brougham | Base, d'Elegance |
| 1992 - 1996 | Cadillac | Commercial Chassis | Brougham, Base |
| 1993 | Cadillac | Fleetwood | Brougham, Base |
| 1992 - 1993 | Chevrolet | Blazer | Cheyenne |
| 1987 | Chevrolet | Blazer | Custom Deluxe |
| 1991 - 1994 | Chevrolet | Blazer | Nevada |
| 1988 - 1991 | Chevrolet | Blazer | Scottsdale |
| 1987 - 1994 | Chevrolet | Blazer | Silverado |
| 1994 | Chevrolet | Blazer | Silverado Sport, Base |
| 1990 - 1993 | Chevrolet | C1500 | 454 SS |
| 1989 - 1995 | Chevrolet | C1500 | Base |
| 1988 - 1995 | Chevrolet | C1500 | Cheyenne, Silverado |
| 1988 - 1992 | Chevrolet | C1500 | Scottsdale |
| 1990 - 1995 | Chevrolet | C1500 | WT |
| 1992 - 1995 | Chevrolet | C1500 Suburban | Base |
| 1995 | Chevrolet | C1500 Suburban | LS, LT |
| 1992 - 1994 | Chevrolet | C1500 Suburban | Silverado |
| 1993 | Chevrolet | C2500 | Custom, 400 SS |
| 1988 - 1992 | Chevrolet | C2500 | Scottsdale |
| 1988 - 1995 | Chevrolet | C2500 | Silverado, Base, Cheyenne |
| 1994 - 1995 | Chevrolet | C2500 | WT |
| 1992 - 1995 | Chevrolet | C2500 Suburban | Base |
| 1995 | Chevrolet | C2500 Suburban | LS, LT |
| 1992 - 1994 | Chevrolet | C2500 Suburban | Silverado |
| 1994 - 1995 | Chevrolet | C3500 | Base |
| 1988 - 1992 | Chevrolet | C3500 | Scottsdale |
| 1988 - 1995 | Chevrolet | C3500 | Silverado, Cheyenne |
| 1988 | Chevrolet | Camaro | Base |
| 1987 - 1990 | Chevrolet | Camaro | Iroc-Z |
| 1989 - 1992 | Chevrolet | Camaro | RS |
| 1987 | Chevrolet | Camaro | Sport, LT |
| 1987 - 1992 | Chevrolet | Camaro | Z28 |
| 1992 | Chevrolet | Camaro | Z28 Heritage Edition, RS Heritage Edition |
| 1987 - 1992 | Chevrolet | Caprice | Base |
| 1987 - 1993 | Chevrolet | Caprice | Classic |
| 1993 | Chevrolet | Caprice | Classic LS |
| 1987 - 1990 | Chevrolet | Caprice | Classic LS Brougham, Classic Brougham |
| 1991 - 1993 | Chevrolet | Caprice | Classic LTZ |
| 1991 - 1994 | Chevrolet | Commercial Chassis | Base |
| 1988 | Chevrolet | Corvette | 35th Anniversary Edition |
| 1987 - 1991 | Chevrolet | Corvette | Base |
| 1990 - 1991 | Chevrolet | Corvette | ZR-1 |
| 1987 | Chevrolet | El Camino | SS, Base |
| 1998 | Chevrolet | Express 1500 | Base, LS |
| 1996 | Chevrolet | Express 2500 | Base, LS |
| 1998 | Chevrolet | Express 3500 | Base, LS |
| 1987 | Chevrolet | G10 | Bonaventure |
| 1987 - 1995 | Chevrolet | G10 | Sportvan, Beauville, Chevy Van |
| 1995 | Chevrolet | G20 | Base |
| 1987 - 1995 | Chevrolet | G20 | Chevy Van, Beauville, Sportvan |
| 1987 - 1996 | Chevrolet | G30 | Sportvan, Hi-Cube, Beauville, Chevy Van |
| 1994 - 1995 | Chevrolet | K1500 | Base |
| 1988 - 1992 | Chevrolet | K1500 | Scottsdale |
| 1988 - 1995 | Chevrolet | K1500 | Silverado, Cheyenne |
| 1991 | Chevrolet | K1500 | Sport |
| 1990 - 1995 | Chevrolet | K1500 | WT |
| 1992 - 1995 | Chevrolet | K1500 Suburban | Base |
| 1995 | Chevrolet | K1500 Suburban | LS, LT |
| 1992 - 1994 | Chevrolet | K1500 Suburban | Silverado |
| 1994 - 1995 | Chevrolet | K2500 | Base, WT |
| 1988 - 1992 | Chevrolet | K2500 | Scottsdale |
| 1988 - 1995 | Chevrolet | K2500 | Silverado, Cheyenne |
| 1992 - 1995 | Chevrolet | K2500 Suburban | Base |
| 1995 | Chevrolet | K2500 Suburban | LS, LT |
| 1992 - 1994 | Chevrolet | K2500 Suburban | Silverado |
| 1994 - 1995 | Chevrolet | K3500 | Base |
| 1988 - 1995 | Chevrolet | K3500 | Cheyenne, Silverado |
| 1988 - 1992 | Chevrolet | K3500 | Scottsdale |
| 1987 - 1988 | Chevrolet | Monte Carlo | SS, Base, LS |
| 1987 - 1989 | Chevrolet | P20 | Step-Van, Base |
| 1987 - 1998 | Chevrolet | P30 | Base |
| 1987 - 1990 | Chevrolet | P30 | Step-Van |
| 1987 | Chevrolet | R10 | Custom Deluxe, Scottsdale, Silverado |
| 1987 | Chevrolet | R10 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | R10 Suburban | Scottsdale, Silverado |
| 1989 - 1991 | Chevrolet | R1500 Suburban | Silverado, Scottsdale |
| 1988 | Chevrolet | R20 | Cheyenne |
| 1987 - 1988 | Chevrolet | R20 | Custom Deluxe, Scottsdale, Silverado |
| 1987 | Chevrolet | R20 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | R20 Suburban | Silverado, Scottsdale |
| 1989 - 1991 | Chevrolet | R2500 Suburban | Scottsdale, Silverado |
| 1988 | Chevrolet | R30 | Cheyenne |
| 1987 - 1988 | Chevrolet | R30 | Scottsdale, Silverado, Custom Deluxe |
| 1989 - 1990 | Chevrolet | R3500 | Scottsdale |
| 1989 - 1991 | Chevrolet | R3500 | Silverado, Cheyenne |
| 1995 | Chevrolet | Tahoe | LS, Base, LT |
| 1987 | Chevrolet | V10 | Scottsdale, Silverado, Custom Deluxe |
| 1987 | Chevrolet | V10 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | V10 Suburban | Silverado, Scottsdale |
| 1989 - 1991 | Chevrolet | V1500 Suburban | Scottsdale, Silverado |
| 1987 | Chevrolet | V20 | Scottsdale, Silverado, Custom Deluxe |
| 1987 | Chevrolet | V20 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | V20 Suburban | Silverado, Scottsdale |
| 1989 - 1991 | Chevrolet | V2500 Suburban | Silverado, Scottsdale |
| 1988 | Chevrolet | V30 | Cheyenne |
| 1987 - 1988 | Chevrolet | V30 | Custom Deluxe, Scottsdale, Silverado |
| 1989 - 1991 | Chevrolet | V3500 | Cheyenne, Silverado |
| 1989 - 1990 | Chevrolet | V3500 | Scottsdale |
| 1993 | Excalibur | Limited | Base |
| 1987 - 1989 | Excalibur | Phaeton | Base |
| 1994 - 1995 | GMC | C1500 | Sierra SL, Sierra SLT, Sierra Special |
| 1988 - 1995 | GMC | C1500 | Sierra SLE |
| 1988 - 1993 | GMC | C1500 | Sierra, Sierra SLX |
| 1992 - 1995 | GMC | C1500 Suburban | Base, SLE |
| 1995 | GMC | C1500 Suburban | SLT |
| 1988 - 1995 | GMC | C2500 | Sierra SLE |
| 1994 - 1995 | GMC | C2500 | Sierra SLT, Sierra SL |
| 1988 - 1993 | GMC | C2500 | Sierra SLX, Sierra |
| 1992 - 1995 | GMC | C2500 Suburban | Base, SLE |
| 1995 | GMC | C2500 Suburban | SLT |
| 1994 - 1995 | GMC | C3500 | Sierra SL, Sierra SLT |
| 1988 - 1995 | GMC | C3500 | Sierra SLE |
| 1988 - 1993 | GMC | C3500 | Sierra SLX, Sierra |
| 1987 | GMC | Caballero | Base, Diablo |
| 1987 - 1995 | GMC | G1500 | Vandura, Rally, Rally STX |
| 1987 - 1995 | GMC | G2500 | Rally STX, Rally, Vandura |
| 1987 - 1996 | GMC | G3500 | Rally Camper Special, Vandura Special, Magnavan, Vandura, Rally, Rally STX |
| 1987 - 1988 | GMC | G3500 | Rally Custom |
| 1987 - 1991 | GMC | Jimmy | Base |
| 1987 - 1990 | GMC | Jimmy | Sierra Classic |
| 1988 - 1995 | GMC | K1500 | Sierra SLE |
| 1995 | GMC | K1500 | Sierra SLS |
| 1994 - 1995 | GMC | K1500 | Sierra SLT, Sierra SL, Sierra Special |
| 1993 | GMC | K1500 | Sierra Sport |
| 1988 - 1993 | GMC | K1500 | Sierra, Sierra SLX |
| 1992 - 1995 | GMC | K1500 Suburban | Base, SLE |
| 1995 | GMC | K1500 Suburban | SLT |
| 1994 - 1995 | GMC | K2500 | Sierra SL, Sierra SLT |
| 1988 - 1995 | GMC | K2500 | Sierra SLE |
| 1988 - 1993 | GMC | K2500 | Sierra, Sierra SLX |
| 1992 - 1995 | GMC | K2500 Suburban | Base, SLE |
| 1995 | GMC | K2500 Suburban | SLT |
| 1988 - 1995 | GMC | K3500 | Sierra SLE |
| 1994 - 1995 | GMC | K3500 | Sierra SLT, Sierra SL |
| 1988 - 1993 | GMC | K3500 | Sierra SLX, Sierra |
| 1987 - 1989 | GMC | P2500 | Value Van, Base |
| 1987 - 1996 | GMC | P3500 | Base |
| 1987 - 1990 | GMC | P3500 | Value Van |
| 1987 | GMC | R1500 | High Sierra, Sierra Classic, Base |
| 1987 - 1991 | GMC | R1500 Suburban | Base |
| 1987 | GMC | R1500 Suburban | High Sierra |
| 1987 - 1989 | GMC | R1500 Suburban | Sierra Classic |
| 1990 | GMC | R1500 Suburban | SLE |
| 1987 - 1989 | GMC | R2500 | Sierra Classic, Base, High Sierra |
| 1987 - 1991 | GMC | R2500 Suburban | Base |
| 1987 | GMC | R2500 Suburban | High Sierra |
| 1987 - 1989 | GMC | R2500 Suburban | Sierra Classic |
| 1990 | GMC | R2500 Suburban | SLE |
| 1987 - 1991 | GMC | R3500 | Base |
| 1987 - 1989 | GMC | R3500 | Sierra Classic, High Sierra |
| 1990 - 1991 | GMC | R3500 | SLE |
| 1987 | GMC | V1500 | Base, Sierra Classic, High Sierra |
| 1987 - 1991 | GMC | V1500 Suburban | Base |
| 1987 | GMC | V1500 Suburban | High Sierra |
| 1987 - 1989 | GMC | V1500 Suburban | Sierra Classic |
| 1990 | GMC | V1500 Suburban | SLE |
| 1987 | GMC | V2500 | High Sierra, Base, Sierra Classic |
| 1987 - 1991 | GMC | V2500 Suburban | Base |
| 1987 | GMC | V2500 Suburban | High Sierra |
| 1987 - 1989 | GMC | V2500 Suburban | Sierra Classic |
| 1990 | GMC | V2500 Suburban | SLE |
| 1987 - 1991 | GMC | V3500 | Base |
| 1987 - 1989 | GMC | V3500 | High Sierra, Sierra Classic |
| 1990 - 1991 | GMC | V3500 | SLE |
| 1992 - 1995 | GMC | Yukon | Base, SLE |
| 1993 | GMC | Yukon | GT |
| 1995 | GMC | Yukon | SLT |
| 1992 - 1994 | GMC | Yukon | Sport |
| 1991 - 1992 | Oldsmobile | Custom Cruiser | Base |
| 1989 - 1992 | Pontiac | Firebird | Formula, Trans Am GTA |
| 1989 | Pontiac | Firebird | Trans Am GTA SE |
| 1987 - 1992 | Pontiac | Firebird | Trans Am, Base |
| 1987 | Pontiac | Grand Prix | Brougham, Base, LE |
Comp Cams Xtreme EnergyT XR270HR; 1600 to 5400 RPM Range
Sale price$568.10 USD