ThumprT 283THR7; 1900 - 5600 RPM Range
Retro-Fit Hydraulic Roller Camshaft
- High Performance Street
- Stock Converter Ok, Best w/ 2000+ Converter & Gears
- Choppy/Thumping Idle
Specifications
Lifter Type: Hydraulic
RPM Range: 1900 to 5600
Valve Timing: .006
Lobe Separation: 107°
Intake Centerline: 102°
Valve Lash: Hyd. (Intake) / Hyd. (Exhaust)
Duration: 283 (Intake) / 303 (Exhaust)
Duration @ .050" Lift: 227 (Intake) / 241 (Exhaust)
Valve Lift: .513 (Intake) / .498 (Exhaust)
Lobe Lift: .3420 (Intake) / .3320 (Exhaust)
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1959 - 1971 | Chrysler | 300 | Base |
| 1962 - 1963 | Chrysler | 300 | Sport |
| 1975 - 1978 | Chrysler | Cordoba | Base |
| 1959 - 1967 | Chrysler | Imperial | Base |
| 1959 - 1970 | Chrysler | Imperial | Crown |
| 1959 - 1975 | Chrysler | Imperial | LeBaron |
| 1959 - 1974 | Chrysler | New Yorker | Base |
| 1972 - 1978 | Chrysler | New Yorker | Brougham |
| 1959 - 1978 | Chrysler | Newport | Base |
| 1967 - 1976 | Chrysler | Newport | Custom |
| 1971 - 1972 | Chrysler | Newport | Royal |
| 1959 - 1960 | Chrysler | Saratoga | Base |
| 1959 - 1977 | Chrysler | Town & Country | Base |
| 1959 - 1961 | Chrysler | Windsor | Base |
| 1963 - 1964 | Dodge | 330 | Base |
| 1963 - 1964 | Dodge | 440 | Base |
| 1962 - 1965 | Dodge | 880 | Custom, Base |
| 1970 - 1971 | Dodge | Challenger | Base, R/T |
| 1970 | Dodge | Challenger | T/A |
| 1969 - 1971 | Dodge | Charger | 500 |
| 1966 - 1976 | Dodge | Charger | Base |
| 1967 - 1971 | Dodge | Charger | R/T |
| 1969 | Dodge | Charger | SE, Daytona |
| 1971 - 1978 | Dodge | Charger | Special Edition |
| 1976 | Dodge | Charger | Sport |
| 1971 | Dodge | Charger | Super Bee |
| 1965 - 1970 | Dodge | Coronet | 500, 440 |
| 1959 - 1976 | Dodge | Coronet | Base |
| 1971 - 1976 | Dodge | Coronet | Crestwood, Brougham |
| 1971 - 1975 | Dodge | Coronet | Custom |
| 1966 - 1970 | Dodge | Coronet | Deluxe |
| 1967 - 1970 | Dodge | Coronet | R/T |
| 1968 - 1970 | Dodge | Coronet | Super Bee |
| 1959 | Dodge | Custom | Base |
| 1963 - 1968 | Dodge | Dart | 270 |
| 1962 | Dodge | Dart | 440, 330 |
| 1960 - 1969 | Dodge | Dart | Base |
| 1963 - 1969 | Dodge | Dart | GT |
| 1964 - 1969 | Dodge | Dart | GTS |
| 1960 - 1961 | Dodge | Dart | Pioneer, Phoenix |
| 1969 | Dodge | Dart | Swinger 340, Custom, Swinger |
| 1961 - 1962 | Dodge | Lancer | 770, Base |
| 1978 | Dodge | Magnum | XE |
| 1960 | Dodge | Matador | Base |
| 1967 - 1968 | Dodge | Monaco | 500 |
| 1965 - 1978 | Dodge | Monaco | Base |
| 1974 - 1978 | Dodge | Monaco | Brougham |
| 1977 - 1978 | Dodge | Monaco | Crestwood |
| 1974 | Dodge | Monaco | Custom |
| 1975 - 1976 | Dodge | Monaco | Royal Brougham, Royal |
| 1963 - 1969 | Dodge | Polara | 500 |
| 1960 - 1973 | Dodge | Polara | Base |
| 1971 | Dodge | Polara | Brougham |
| 1970 - 1973 | Dodge | Polara | Custom |
| 1970 | Dodge | Polara | Special |
| 1959 | Dodge | Royal | Base |
| 1975 - 1977 | Dodge | Royal Monaco | Brougham, Base |
| 1959 | Dodge | Sierra | Base, Custom |
| 1968 - 1971 | Jensen | Interceptor | FF |
| 1968 - 1969 | Jensen | Interceptor | MK I |
| 1970 - 1971 | Jensen | Interceptor | MK II |
| 1972 - 1976 | Jensen | Interceptor | MK III |
| 1972 - 1973 | Jensen | Interceptor | SP |
| 1967 - 1971 | Plymouth | Barracuda | Base |
| 1970 - 1971 | Plymouth | Barracuda | Gran Coupe |
| 1960 - 1970 | Plymouth | Belvedere | Base |
| 1968 - 1970 | Plymouth | Belvedere | Satellite |
| 1965 - 1967 | Plymouth | Belvedere II | Base |
| 1970 - 1971 | Plymouth | Cuda | Base |
| 1960 - 1961 | Plymouth | Custom | Base |
| 1960 - 1963 | Plymouth | Fleet Special | Base |
| 1960 - 1978 | Plymouth | Fury | Base |
| 1971 - 1975 | Plymouth | Fury | Custom |
| 1968 - 1975 | Plymouth | Fury | Custom Suburban |
| 1970 - 1972 | Plymouth | Fury | Gran Coupe |
| 1972 | Plymouth | Fury | Gran Sedan |
| 1974 | Plymouth | Fury | Police |
| 1970 | Plymouth | Fury | S-23, GT |
| 1976 - 1978 | Plymouth | Fury | Salon |
| 1962 - 1978 | Plymouth | Fury | Sport |
| 1970 - 1971 | Plymouth | Fury | Sport GT |
| 1968 - 1978 | Plymouth | Fury | Sport Suburban, Suburban |
| 1966 - 1969 | Plymouth | Fury | VIP |
| 1968 - 1974 | Plymouth | Fury I | Base, Suburban |
| 1965 - 1974 | Plymouth | Fury II | Base |
| 1968 - 1974 | Plymouth | Fury II | Custom Suburban |
| 1965 - 1974 | Plymouth | Fury III | Base |
| 1968 - 1974 | Plymouth | Fury III | Sport Suburban |
| 1972 - 1977 | Plymouth | Gran Fury | Base, Sport Suburban, Suburban |
| 1975 - 1976 | Plymouth | Gran Fury | Custom |
| 1972 - 1976 | Plymouth | Gran Fury | Custom Suburban |
| 1975 - 1977 | Plymouth | Gran Fury | Sport, Brougham |
| 1967 - 1971 | Plymouth | GTX | Base |
| 1968 - 1975 | Plymouth | Road Runner | Base |
| 1965 - 1974 | Plymouth | Satellite | Base |
| 1971 | Plymouth | Satellite | Brougham |
| 1971 - 1974 | Plymouth | Satellite | Custom, Regent, Sebring Plus, Sebring |
| 1968 - 1970 | Plymouth | Satellite | Sport |
| 1960 - 1964 | Plymouth | Savoy | Base |
| 1960 - 1961 | Plymouth | Savoy | Deluxe |
| 1960 - 1961 | Plymouth | Sport Wagon | Base |
| 1960 - 1961 | Plymouth | Suburban | Base, Sport, Custom |
| 1961 | Plymouth | Suburban | Deluxe |
| 1970 | Plymouth | Superbird | Base |
| 1967 | Plymouth | VIP | Base |