Drag Race, 276AH-10
Bracket Race, Choppy Idle
- Lifter Type: Hydraulic Lifter
- Engine Family: Pontiac 265-455 c.i. 8 cyl. 1955-1981
- Description: Hydraulic-Bracket race with heavy car. 2500-3000 stall, 9.5 compression, more gear, choppy idle.
- Cam Family: DRAG RACE Hydraulic Flat Tappet Camshafts
Specification:
- RPM Range: 2000 to 6000
- Valve Timing: 0.006
- Lobe Separation: 110°
- Intake Centerline: 106°
- Valve Lash: Hyd. Intake/ Hyd. Exhaust
- Duration: 276 Intake/ 284Exhaust
- Duration @ .050" Lift: 228 Intake/ 236 Exhaust
- Valve Lift: 0.52 Intake/0.52 Exhaust
- Lobe Lift: 0.316 Intake/ 0.316 Exhaust
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1958 - 1979 | Pontiac | Bonneville | Base |
| 1976 - 1979 | Pontiac | Bonneville | Brougham |
| 1959 - 1962 | Pontiac | Bonneville | Custom |
| 1959 - 1979 | Pontiac | Bonneville | Safari |
| 1964 - 1967 | Pontiac | Catalina | 2+2 |
| 1955 - 1979 | Pontiac | Catalina | Base |
| 1971 - 1972 | Pontiac | Catalina | Brougham |
| 1959 - 1979 | Pontiac | Catalina | Safari |
| 1962 - 1970 | Pontiac | Catalina | Ventura |
| 1955 - 1958 | Pontiac | Chieftain | Base, Safari |
| 1957 | Pontiac | Chieftain | Custom Safari Transcontinental, Custom Safari |
| 1967 - 1970 | Pontiac | Executive | Safari, Base |
| 1967 | Pontiac | Firebird | 326 |
| 1968 - 1969 | Pontiac | Firebird | 350 |
| 1969 | Pontiac | Firebird | 350 HO |
| 1967 - 1979 | Pontiac | Firebird | Base |
| 1970 - 1979 | Pontiac | Firebird | Esprit, Formula |
| 1967 - 1968 | Pontiac | Firebird | HO |
| 1967 - 1969 | Pontiac | Firebird | Sprint, 400 |
| 1969 - 1979 | Pontiac | Firebird | Trans Am |
| 1973 - 1979 | Pontiac | Grand Am | Base |
| 1976 | Pontiac | Grand LeMans | BR |
| 1976 - 1979 | Pontiac | Grand LeMans | LE |
| 1975 - 1979 | Pontiac | Grand LeMans | Safari, Base |
| 1962 - 1979 | Pontiac | Grand Prix | Base |
| 1975 - 1979 | Pontiac | Grand Prix | LJ, SJ |
| 1971 - 1977 | Pontiac | Grand Safari | Base |
| 1971 - 1974 | Pontiac | Grandville | Base |
| 1975 | Pontiac | Grandville | Brougham |
| 1964 - 1973 | Pontiac | GTO | Base |
| 1970 - 1971 | Pontiac | GTO | The Judge |
| 1963 - 1979 | Pontiac | LeMans | Base |
| 1972 - 1974 | Pontiac | LeMans | Luxury |
| 1969 - 1979 | Pontiac | LeMans | Safari |
| 1974 | Pontiac | LeMans | Safari Luxury |
| 1970 - 1977 | Pontiac | LeMans | Sport |
| 1976 - 1977 | Pontiac | LeMans | Sport Coupe |
| 1971 | Pontiac | LeMans | T37 |
| 1955 - 1966 | Pontiac | Star Chief | Base |
| 1955 - 1957 | Pontiac | Star Chief | Custom |
| 1958 | Pontiac | Star Chief | Custom Safari, Super Deluxe |
| 1966 | Pontiac | Star Chief | Executive |
| 1958 | Pontiac | Super Chief | Base |
| 1961 - 1970 | Pontiac | Tempest | Base |
| 1970 | Pontiac | Tempest | GT |
| 1961 | Pontiac | Tempest | LeMans |
| 1961 - 1969 | Pontiac | Tempest | Safari, Custom |
| 1960 - 1977 | Pontiac | Ventura | Base |
| 1974 | Pontiac | Ventura | GTO, Custom |
| 1977 | Pontiac | Ventura | SJ |