High EnergyT 252H; Hydraulic Flat Tappet; '85-'87 GM 4.3L
- Lifter Type: Hydraulic Flat Tappet
- Engine Family: GM 4.3L / 262 c.i. 90° V6 1985-2014
- Description: For '85-'87 GM 4.3L/262 cid 90³ V6 Engines w/ Flat Tappet Cam - Good Power For Trucks; 4WD & Mild Towing Works Well w/ Stock Computer Smooth Idle & Good Economy Works w/ Stock Computer or Carb.
- Cam Family: Xtreme EnergyT
Specification:
- RPM Range: 800 to 4800
- Valve Timing: 0.006
- Lobe Separation: 110°
- Intake Centerline: 106°
- Valve Lash: Hyd. Intake/Hyd. Exhaust
- Duration: 252 Intake/252 Exhaust
- Duration @ .050" Lift: 206 Intake/206 Exhaust
- Valve Lift: 0.425 Intake/0.425 Exhaust
- Lobe Lift: 0.283 Intake/0.283 Exhaust
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1985 - 1997 | Chevrolet | Astro | Base |
| 1985 - 1995 | Chevrolet | Astro | CL, CS |
| 1996 - 1997 | Chevrolet | Astro | LS |
| 1987 - 1997 | Chevrolet | Astro | LT |
| 1995 - 1997 | Chevrolet | Blazer | Deluxe, LT, Base |
| 1996 - 1997 | Chevrolet | Blazer | LS |
| 1985 - 1986 | Chevrolet | C10 | Custom, Scottsdale, Silverado |
| 1990 - 1993 | Chevrolet | C1500 | 454 SS |
| 1989 - 1997 | Chevrolet | C1500 | Base |
| 1988 - 1992 | Chevrolet | C1500 | Scottsdale |
| 1988 - 1997 | Chevrolet | C1500 | Silverado, Cheyenne |
| 1990 - 1997 | Chevrolet | C1500 | WT |
| 1986 | Chevrolet | C20 | Cheyenne, Base |
| 1985 - 1986 | Chevrolet | C20 | Custom, Scottsdale, Silverado |
| 1993 | Chevrolet | C2500 | 400 SS, Custom |
| 1988 - 1995 | Chevrolet | C2500 | Base, Cheyenne, Silverado |
| 1988 - 1992 | Chevrolet | C2500 | Scottsdale |
| 1994 - 1995 | Chevrolet | C2500 | WT |
| 1985 - 1992 | Chevrolet | Caprice | Base |
| 1985 - 1993 | Chevrolet | Caprice | Classic |
| 1986 - 1990 | Chevrolet | Caprice | Classic Brougham |
| 1993 | Chevrolet | Caprice | Classic LS |
| 1987 - 1990 | Chevrolet | Caprice | Classic LS Brougham |
| 1992 - 1993 | Chevrolet | Caprice | Classic LTZ |
| 1992 | Chevrolet | Commercial Chassis | Base |
| 1985 - 1986 | Chevrolet | El Camino | Conquista |
| 1985 - 1987 | Chevrolet | El Camino | SS, Base |
| 1996 - 1997 | Chevrolet | Express 1500 | LS, Base |
| 1996 - 1997 | Chevrolet | Express 2500 | LS, Base |
| 1986 - 1987 | Chevrolet | G10 | Bonaventure |
| 1985 - 1995 | Chevrolet | G10 | Sportvan, Beauville, Chevy Van |
| 1995 | Chevrolet | G20 | Base |
| 1985 - 1995 | Chevrolet | G20 | Chevy Van, Sportvan, Beauville |
| 1985 - 1996 | Chevrolet | G30 | Chevy Van, Hi-Cube, Sportvan, Beauville |
| 1985 | Chevrolet | Impala | Base |
| 1985 - 1986 | Chevrolet | K10 | Custom, Scottsdale, Silverado |
| 1994 - 1997 | Chevrolet | K1500 | Base |
| 1988 - 1992 | Chevrolet | K1500 | Scottsdale |
| 1988 - 1997 | Chevrolet | K1500 | Silverado, Cheyenne |
| 1991 | Chevrolet | K1500 | Sport |
| 1990 - 1997 | Chevrolet | K1500 | WT |
| 1985 | Chevrolet | K20 | Scottsdale, Silverado, Custom |
| 1988 - 1992 | Chevrolet | K2500 | Scottsdale |
| 1988 - 1995 | Chevrolet | K2500 | Silverado, Cheyenne |
| 1994 - 1995 | Chevrolet | K2500 | WT, Base |
| 1986 - 1988 | Chevrolet | Monte Carlo | LS |
| 1985 - 1988 | Chevrolet | Monte Carlo | SS, Base |
| 1990 - 1997 | Chevrolet | P30 | Base |
| 1990 | Chevrolet | P30 | Step-Van |
| 1987 | Chevrolet | R10 | Scottsdale, Silverado, Custom Deluxe |
| 1988 | Chevrolet | R20 | Cheyenne |
| 1987 - 1988 | Chevrolet | R20 | Silverado, Scottsdale, Custom Deluxe |
| 1991 | Chevrolet | S10 | Baja |
| 1988 - 1997 | Chevrolet | S10 | Base |
| 1988 - 1990 | Chevrolet | S10 | Durango |
| 1992 - 1993 | Chevrolet | S10 | EL |
| 1991 - 1993 | Chevrolet | S10 | Maxi |
| 1988 - 1989 | Chevrolet | S10 | Sport |
| 1988 - 1992 | Chevrolet | S10 | Tahoe |
| 1994 - 1997 | Chevrolet | S10 | ZR2, LS, SS |
| 1988 - 1989 | Chevrolet | S10 Blazer | High Country |
| 1994 | Chevrolet | S10 Blazer | LT |
| 1988 - 1992 | Chevrolet | S10 Blazer | Sport |
| 1991 - 1994 | Chevrolet | S10 Blazer | Tahoe LT |
| 1988 - 1994 | Chevrolet | S10 Blazer | Tahoe, Base |
| 1987 | Chevrolet | V10 | Scottsdale, Silverado, Custom Deluxe |
| 1985 - 1986 | GMC | C1500 | Sierra Classic, Base, High Sierra |
| 1997 | GMC | C1500 | Sierra GT |
| 1988 - 1997 | GMC | C1500 | Sierra SLE |
| 1994 - 1997 | GMC | C1500 | Sierra SLT, Sierra SL, Sierra Special |
| 1988 - 1993 | GMC | C1500 | Sierra, Sierra SLX |
| 1985 - 1986 | GMC | C2500 | Sierra Classic, High Sierra, Base |
| 1988 - 1995 | GMC | C2500 | Sierra SLE |
| 1994 - 1995 | GMC | C2500 | Sierra SLT, Sierra SL |
| 1988 - 1993 | GMC | C2500 | Sierra SLX, Sierra |
| 1985 - 1986 | GMC | Caballero | Amarillo |
| 1985 - 1987 | GMC | Caballero | Base, Diablo |
| 1985 - 1995 | GMC | G1500 | Rally STX, Rally, Vandura |
| 1985 - 1995 | GMC | G2500 | Rally STX, Rally, Vandura |
| 1985 - 1988 | GMC | G3500 | Rally Custom |
| 1985 - 1995 | GMC | G3500 | Vandura Special, Magnavan, Rally STX, Vandura, Rally, Rally Camper Special |
| 1992 - 1996 | GMC | Jimmy | Base |
| 1995 - 1997 | GMC | Jimmy | SL |
| 1993 - 1997 | GMC | Jimmy | SLS |
| 1992 - 1997 | GMC | Jimmy | SLT, SLE |
| 1985 - 1986 | GMC | K1500 | Sierra Classic, High Sierra, Base |
| 1988 - 1997 | GMC | K1500 | Sierra SLE |
| 1995 | GMC | K1500 | Sierra SLS |
| 1994 - 1997 | GMC | K1500 | Sierra SLT, Sierra SL, Sierra Special |
| 1988 - 1993 | GMC | K1500 | Sierra SLX, Sierra |
| 1993 | GMC | K1500 | Sierra Sport |
| 1985 | GMC | K2500 | Sierra Classic, Base, High Sierra |
| 1988 - 1995 | GMC | K2500 | Sierra SLE |
| 1994 - 1995 | GMC | K2500 | Sierra SLT, Sierra SL |
| 1988 - 1993 | GMC | K2500 | Sierra SLX, Sierra |
| 1990 - 1997 | GMC | P3500 | Base |
| 1990 | GMC | P3500 | Value Van |
| 1987 | GMC | R1500 | Sierra Classic, Base, High Sierra |
| 1987 | GMC | R2500 | Sierra Classic, Base, High Sierra |
| 1988 | GMC | S15 | Gypsy |
| 1988 - 1990 | GMC | S15 | Sierra Classic, High Sierra, Base |
| 1988 - 1991 | GMC | S15 Jimmy | Base |
| 1988 - 1990 | GMC | S15 Jimmy | Sierra Classic, Gypsy |
| 1991 | GMC | S15 Jimmy | SLT, SLS, SLE |
| 1988 - 1989 | GMC | S15 Jimmy | Timberline |
| 1993 | GMC | Safari | GT |
| 1985 - 1997 | GMC | Safari | SLE, Base, SLX, SL |
| 1987 - 1997 | GMC | Safari | SLT |
| 1996 - 1997 | GMC | Savana 1500 | Base, SLE |
| 1996 - 1997 | GMC | Savana 2500 | SLE, Base |
| 1991 - 1993 | GMC | Sonoma | Base |
| 1992 | GMC | Sonoma | GT |
| 1994 - 1997 | GMC | Sonoma | SL |
| 1991 - 1997 | GMC | Sonoma | SLE |
| 1993 - 1997 | GMC | Sonoma | SLS |
| 1991 | GMC | Syclone | Base |
| 1992 - 1993 | GMC | Typhoon | Base |
| 1987 | GMC | V1500 | Base, High Sierra, Sierra Classic |
| 1991 - 1997 | Oldsmobile | Bravada | Base |
| 1986 | Pontiac | Bonneville | LE, Brougham, Base |
| 1986 - 1987 | Pontiac | Grand Prix | LE, Base, Brougham |
| 1985 - 1986 | Pontiac | Parisienne | Brougham, Base |