High Energy", 252H: Cam & Kit
Lifter Type: Hydraulic Lifter
Engine Family: Buick 181-252 c.i. even fire 6 CYL. 1978-1988
Description: Hydraulic-Good power for light towing or use with high axle ratios. Smooth idle.
Cam Family: High Energy" Hydraulic Flat Tappet Camshafts
RPM Range: 1000 to 4800
Valve Timing: 0.006
Lobe Separation: 110°
Valve Lash: Hyd Intake/Hyd Exhaust
Duration: 252 Intake/252 Exhaust
Duration @ .050" Lift: 206 Intake/206 Exhaust
Valve Lift: Intake/0.425 Exhaust
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1977 - 1987 | Buick | Century | Base, Custom |
| 1980 - 1984 | Buick | Century | Estate |
| 1985 - 1987 | Buick | Century | Estate Wagon |
| 1978 - 1987 | Buick | Century | Limited |
| 1984 | Buick | Century | Olympia Limited |
| 1977 - 1979 | Buick | Century | Special |
| 1978 - 1981 | Buick | Century | Sport |
| 1986 | Buick | Century | SS |
| 1983 - 1986 | Buick | Century | T-Type |
| 1980 - 1987 | Buick | Electra | Park Avenue, Estate Wagon, Limited |
| 1985 - 1987 | Buick | Electra | T-Type |
| 1985 | Buick | LeSabre | Collector's Edition |
| 1977 | Buick | LeSabre | Custom Sport |
| 1977 - 1987 | Buick | LeSabre | Custom, Base |
| 1985 - 1987 | Buick | LeSabre | Estate Wagon |
| 1979 - 1987 | Buick | LeSabre | Limited |
| 1982 | Buick | LeSabre | Limited Edition F/E |
| 1978 - 1981 | Buick | LeSabre | Sport |
| 1987 | Buick | LeSabre | T-Type |
| 1977 - 1987 | Buick | Regal | Base |
| 1982 - 1983 | Buick | Regal | Estate Wagon |
| 1987 | Buick | Regal | GNX |
| 1984 - 1987 | Buick | Regal | Grand National |
| 1978 - 1987 | Buick | Regal | Limited |
| 1982 | Buick | Regal | Limited Turbo |
| 1978 - 1982 | Buick | Regal | Sport |
| 1977 | Buick | Regal | SR |
| 1983 - 1986 | Buick | Regal | T-Type |
| 1979 - 1985 | Buick | Riviera | Base |
| 1982 | Buick | Riviera | Limited Edition |
| 1983 - 1987 | Buick | Riviera | Luxury |
| 1979 - 1980 | Buick | Riviera | S |
| 1981 - 1987 | Buick | Riviera | T-Type |
| 1983 | Buick | Riviera | XX Anniversary Edition |
| 1977 - 1980 | Buick | Skyhawk | Base, S |
| 1980 | Buick | Skyhawk | Designers' Accent Edition |
| 1979 - 1980 | Buick | Skyhawk | Road Hawk |
| 1978 - 1988 | Buick | Skylark | Custom |
| 1986 - 1988 | Buick | Skylark | Limited |
| 1977 - 1979 | Buick | Skylark | S, Base |
| 1978 | Buick | Skylark | Sport |
| 1977 | Buick | Skylark | SR |
| 1986 - 1987 | Buick | Somerset | Custom, Limited |
| 1986 | Buick | Somerset | T-Type |
| 1985 | Buick | Somerset Regal | Limited, Base |
| 1980 - 1982 | Cadillac | DeVille | d'Elegance, Base, Cabriolet |
| 1981 - 1982 | Cadillac | Eldorado | Biarritz, Cabriolet, Base |
| 1981 | Cadillac | Eldorado | Brougham d'Elegance |
| 1982 | Cadillac | Eldorado | Touring |
| 1980 - 1982 | Cadillac | Fleetwood | Formal, Brougham, Base, Brougham d'Elegance |
| 1981 - 1982 | Cadillac | Seville | Base, Elegante |
| 1980 | Chevrolet | Camaro | Base, Rally Sport |
| 1980 - 1981 | Chevrolet | Camaro | Berlinetta, Z28 |
| 1981 | Chevrolet | Camaro | Sport |
| 1980 - 1982 | Chevrolet | Caprice | Base |
| 1980 - 1984 | Chevrolet | Caprice | Classic |
| 1981 - 1982 | Chevrolet | Caprice | Classic Estate |
| 1980 - 1981 | Chevrolet | Caprice | Classic Landau |
| 1980 | Chevrolet | Caprice | Classic Sport |
| 1978 - 1984 | Chevrolet | El Camino | Base, Conquista, SS |
| 1979 - 1981 | Chevrolet | El Camino | Royal Knight |
| 1980 - 1984 | Chevrolet | Impala | Base |
| 1981 - 1982 | Chevrolet | Impala | Estate |
| 1980 | Chevrolet | Impala | Sport |
| 1978 - 1983 | Chevrolet | Malibu | Classic |
| 1978 - 1980 | Chevrolet | Malibu | Classic Estate |
| 1978 - 1981 | Chevrolet | Malibu | Classic Landau, Base |
| 1979 | Chevrolet | Malibu | Police, Landau |
| 1979 - 1980 | Chevrolet | Malibu | Sport, Estate, Classic Sport |
| 1979 - 1984 | Chevrolet | Monte Carlo | Base |
| 1983 | Chevrolet | Monte Carlo | CL |
| 1978 - 1981 | Chevrolet | Monte Carlo | Landau |
| 1978 - 1980 | Chevrolet | Monte Carlo | Sport |
| 1983 - 1984 | Chevrolet | Monte Carlo | SS |
| 1978 - 1980 | Chevrolet | Monza | 2+2 Sport, Base, 2+2 Spyder, 2+2 |
| 1978 - 1979 | Chevrolet | Monza | S |
| 1978 | Chevrolet | Monza | Sport |
| 1980 | Chevrolet | Monza | Spyder |
| 1981 - 1984 | GMC | Caballero | Amarillo |
| 1978 - 1984 | GMC | Caballero | Base, Diablo |
| 1978 - 1980 | GMC | Caballero | Laredo |
| 1981 | GMC | Caballero | Royal Knight, Conquista |
| 1981 | Oldsmobile | 98 | Luxury |
| 1981 - 1987 | Oldsmobile | 98 | Regency |
| 1982 - 1987 | Oldsmobile | 98 | Regency Brougham |
| 1987 | Oldsmobile | 98 | Regency Grande, Regency Touring |
| 1985 | Oldsmobile | Calais | 500 |
| 1986 | Oldsmobile | Calais | ES |
| 1986 - 1987 | Oldsmobile | Calais | GT |
| 1985 - 1987 | Oldsmobile | Calais | Supreme, Base |
| 1980 | Oldsmobile | Cutlass | Base |
| 1977 | Oldsmobile | Cutlass | Colonnade, 442, Colonnade S, S |
| 1980 - 1981 | Oldsmobile | Cutlass | LS, Brougham |
| 1981 | Oldsmobile | Cutlass | Supreme |
| 1977 - 1979 | Oldsmobile | Cutlass | Vista Cruiser |
| 1979 | Oldsmobile | Cutlass | Vista Cruiser Brougham |
| 1978 - 1984 | Oldsmobile | Cutlass Calais | Base |
| 1983 - 1984 | Oldsmobile | Cutlass Calais | Hurst |
| 1982 - 1983 | Oldsmobile | Cutlass Ciera | Base |
| 1982 - 1987 | Oldsmobile | Cutlass Ciera | Brougham, LS |
| 1984 - 1985 | Oldsmobile | Cutlass Ciera | Cruiser LS, Cruiser |
| 1983 - 1986 | Oldsmobile | Cutlass Ciera | ES |
| 1985 - 1987 | Oldsmobile | Cutlass Ciera | GT |
| 1985 - 1986 | Oldsmobile | Cutlass Ciera | Holiday |
| 1986 - 1987 | Oldsmobile | Cutlass Ciera | S, SL |
| 1980 - 1982 | Oldsmobile | Cutlass Cruiser | Base |
| 1980 - 1987 | Oldsmobile | Cutlass Cruiser | Brougham |
| 1987 | Oldsmobile | Cutlass Cruiser | LS |
| 1978 - 1986 | Oldsmobile | Cutlass Salon | 442 |
| 1978 - 1987 | Oldsmobile | Cutlass Salon | Base |
| 1978 - 1980 | Oldsmobile | Cutlass Salon | Brougham |
| 1979 | Oldsmobile | Cutlass Salon | Hurst |
| 1987 | Oldsmobile | Cutlass Supreme | 442 |
| 1977 - 1987 | Oldsmobile | Cutlass Supreme | Brougham, Base |
| 1977 | Oldsmobile | Cutlass Supreme | Colonnade |
| 1981 - 1985 | Oldsmobile | Cutlass Supreme | LS |
| 1977 - 1983 | Oldsmobile | Delta 88 | Base |
| 1980 - 1981 | Oldsmobile | Delta 88 | Holiday |
| 1977 - 1987 | Oldsmobile | Delta 88 | Royale |
| 1980 - 1987 | Oldsmobile | Delta 88 | Royale Brougham |
| 1984 - 1985 | Oldsmobile | Delta 88 | Royale Brougham LS |
| 1978 - 1979 | Oldsmobile | Omega | Brougham LS |
| 1977 - 1979 | Oldsmobile | Omega | Brougham, Base |
| 1977 | Oldsmobile | Omega | F85, Deluxe |
| 1977 - 1978 | Oldsmobile | Omega | SX |
| 1977 - 1980 | Oldsmobile | Starfire | SX, GT, Base, Firenza |
| 1981 - 1987 | Oldsmobile | Toronado | Brougham |
| 1987 | Oldsmobile | Toronado | Trofeo |
| 1981 | Oldsmobile | Toronado | XSC |
| 1980 - 1987 | Pontiac | Bonneville | Base |
| 1980 - 1986 | Pontiac | Bonneville | Brougham |
| 1984 - 1987 | Pontiac | Bonneville | LE |
| 1980 - 1981 | Pontiac | Bonneville | Safari |
| 1977 - 1981 | Pontiac | Catalina | Safari, Base |
| 1977 - 1981 | Pontiac | Firebird | Esprit, Trans Am, Formula, Base |
| 1979 - 1987 | Pontiac | Grand Am | Base |
| 1985 - 1987 | Pontiac | Grand Am | LE |
| 1986 - 1987 | Pontiac | Grand Am | SE |
| 1977 - 1981 | Pontiac | Grand LeMans | LE, Base, Safari |
| 1978 - 1981 | Pontiac | Grand LeMans | SA |
| 1978 - 1987 | Pontiac | Grand Prix | Base |
| 1981 - 1987 | Pontiac | Grand Prix | Brougham |
| 1984 - 1987 | Pontiac | Grand Prix | LE |
| 1978 - 1983 | Pontiac | Grand Prix | LJ |
| 1978 - 1980 | Pontiac | Grand Prix | SJ |
| 1977 - 1981 | Pontiac | LeMans | Safari, Base |
| 1977 | Pontiac | LeMans | Sport, Sport Coupe |
| 1984 | Pontiac | Parisienne | Brougham, Base |
| 1977 - 1979 | Pontiac | Phoenix | Base |
| 1978 - 1979 | Pontiac | Phoenix | LJ, SJ |
| 1977 - 1980 | Pontiac | Sunbird | Base |
| 1978 - 1979 | Pontiac | Sunbird | Safari |
| 1977 | Pontiac | Ventura | Base, SJ |