Ultra Pro Magnum Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring Oversized trunnions, precision-sorted needle bearings and hardened Roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.Chrysler 383-440 Big Block - Shaft Mounted - 1.5 Ratio. Investment cast 8650 chromemoly body and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia. Unique black oxide exterior finish helps prevent corrosion and increases durability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues. Feature Oversized trunnions, precision-sorted needle bearings and hardened Roller tips. Lifetime Warranty - So strong that we guarantee the Rocker bodies against breakage for life. For use with up to 850 lbs of open spring pressure. Requires ball/ball style pushrods.
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 1969 - 1974 | Bristol | 411 | Base | ||
| 1959 - 1971 | Chrysler | 300 | Base | ||
| 1962 - 1963 | Chrysler | 300 | Sport | ||
| 1975 - 1978 | Chrysler | Cordoba | Base | ||
| 1959 - 1975 | Chrysler | Imperial | LeBaron | ||
| 1959 - 1970 | Chrysler | Imperial | Crown | ||
| 1959 - 1967 | Chrysler | Imperial | Base | ||
| 1959 - 1974 | Chrysler | New Yorker | Base | ||
| 1972 - 1978 | Chrysler | New Yorker | Brougham | ||
| 1959 - 1971 | Chrysler | Newport | Base | ||
| 1967 - 1976 | Chrysler | Newport | Custom | ||
| 1971 - 1972 | Chrysler | Newport | Royal | ||
| 1973 - 1978 | Chrysler | Newport | Base | ||
| 1959 - 1960 | Chrysler | Saratoga | Base | ||
| 1959 - 1977 | Chrysler | Town & Country | Base | ||
| 1959 - 1961 | Chrysler | Windsor | Base | ||
| 1959 - 1960 | DeSoto | Adventurer | Base | ||
| 1959 - 1959 | DeSoto | Firedome | Base | ||
| 1959 - 1959 | DeSoto | Fireflite | Base | ||
| 1963 - 1964 | Dodge | 330 | Base | ||
| 1963 - 1964 | Dodge | 440 | Base | ||
| 1962 - 1965 | Dodge | 880 | Custom | ||
| 1962 - 1965 | Dodge | 880 | Base | ||
| 1974 - 1974 | Dodge | B100 Van | Sportsman | ||
| 1974 - 1974 | Dodge | B100 Van | Base | ||
| 1975 - 1978 | Dodge | B200 | Base | ||
| 1971 - 1974 | Dodge | B200 Van | Sportsman | ||
| 1971 - 1974 | Dodge | B200 Van | Base | ||
| 1972 - 1974 | Dodge | B200 Van | Maxi Wagon | ||
| 1972 - 1974 | Dodge | B200 Van | Maxi | ||
| 1975 - 1978 | Dodge | B300 | Base | ||
| 1971 - 1974 | Dodge | B300 Van | Sportsman | ||
| 1971 - 1974 | Dodge | B300 Van | Base | ||
| 1972 - 1974 | Dodge | B300 Van | Maxi Wagon | ||
| 1972 - 1974 | Dodge | B300 Van | Maxi | ||
| 1976 - 1979 | Dodge | CB300 | Base | ||
| 1970 - 1971 | Dodge | Challenger | R/T | ||
| 1970 - 1974 | Dodge | Challenger | Base | ||
| 1972 - 1972 | Dodge | Challenger | Rallye | ||
| 1966 - 1974 | Dodge | Charger | Base | ||
| 1967 - 1971 | Dodge | Charger | R/T | ||
| 1969 - 1969 | Dodge | Charger | SE | ||
| 1969 - 1969 | Dodge | Charger | Daytona | ||
| 1969 - 1971 | Dodge | Charger | 500 | ||
| 1971 - 1971 | Dodge | Charger | Super Bee | ||
| 1971 - 1978 | Dodge | Charger | Special Edition | ||
| 1976 - 1976 | Dodge | Charger | Sport | ||
| 1976 - 1976 | Dodge | Charger | Base | ||
| 1958 - 1959 | Dodge | Coronet | Base | ||
| 1965 - 1967 | Dodge | Coronet | Base | ||
| 1965 - 1970 | Dodge | Coronet | 500 | ||
| 1965 - 1970 | Dodge | Coronet | 440 | ||
| 1966 - 1966 | Dodge | Coronet | Deluxe | ||
| 1967 - 1970 | Dodge | Coronet | R/T | ||
| 1968 - 1970 | Dodge | Coronet | Super Bee | ||
| 1968 - 1970 | Dodge | Coronet | Deluxe | ||
| 1970 - 1976 | Dodge | Coronet | Base | ||
| 1971 - 1975 | Dodge | Coronet | Custom | ||
| 1971 - 1976 | Dodge | Coronet | Crestwood | ||
| 1971 - 1971 | Dodge | Coronet | Brougham | ||
| 1975 - 1976 | Dodge | Coronet | Brougham | ||
| 1958 - 1961 | Dodge | Custom | Base | ||
| 1975 - 1978 | Dodge | D100 | Custom | ||
| 1976 - 1978 | Dodge | D100 | Warlock | ||
| 1968 - 1974 | Dodge | D100 Pickup | Base | ||
| 1967 - 1967 | Dodge | D100 Series | Base | ||
| 1977 - 1978 | Dodge | D150 | Base | ||
| 1975 - 1976 | Dodge | D200 | Custom | ||
| 1977 - 1978 | Dodge | D200 | Base | ||
| 1968 - 1974 | Dodge | D200 Pickup | Base | ||
| 1967 - 1967 | Dodge | D200 Series | Base | ||
| 1975 - 1976 | Dodge | D300 | Custom | ||
| 1977 - 1978 | Dodge | D300 | Base | ||
| 1968 - 1974 | Dodge | D300 Pickup | Base | ||
| 1967 - 1967 | Dodge | D300 Series | Base | ||
| 1960 - 1961 | Dodge | Dart | Pioneer | ||
| 1960 - 1961 | Dodge | Dart | Phoenix | ||
| 1960 - 1969 | Dodge | Dart | Base | ||
| 1962 - 1962 | Dodge | Dart | 440 | ||
| 1962 - 1962 | Dodge | Dart | 330 | ||
| 1964 - 1964 | Dodge | Dart | GTS | ||
| 1964 - 1965 | Dodge | Dart | 270 | ||
| 1965 - 1969 | Dodge | Dart | GT | ||
| 1967 - 1968 | Dodge | Dart | 270 | ||
| 1968 - 1969 | Dodge | Dart | GTS | ||
| 1969 - 1969 | Dodge | Dart | Swinger | ||
| 1969 - 1969 | Dodge | Dart | Custom | ||
| 1959 - 1959 | Dodge | Lancer | Base | ||
| 1961 - 1962 | Dodge | Lancer | Base | ||
| 1974 - 1974 | Dodge | M300 | Base | ||
| 1978 - 1978 | Dodge | Magnum | XE | ||
| 1960 - 1960 | Dodge | Matador | Base | ||
| 1974 - 1974 | Dodge | MB300 | Base | ||
| 1965 - 1978 | Dodge | Monaco | Base | ||
| 1967 - 1968 | Dodge | Monaco | 500 | ||
| 1974 - 1974 | Dodge | Monaco | Custom | ||
| 1974 - 1974 | Dodge | Monaco | Brougham | ||
| 1975 - 1976 | Dodge | Monaco | Royal Brougham | ||
| 1975 - 1976 | Dodge | Monaco | Royal | ||
| 1977 - 1978 | Dodge | Monaco | Crestwood | ||
| 1977 - 1978 | Dodge | Monaco | Brougham | ||
| 1960 - 1961 | Dodge | Phoenix | Base | ||
| 1961 - 1961 | Dodge | Pioneer | Base | ||
| 1960 - 1973 | Dodge | Polara | Base | ||
| 1963 - 1963 | Dodge | Polara | 500 | ||
| 1968 - 1969 | Dodge | Polara | 500 | ||
| 1970 - 1970 | Dodge | Polara | Special | ||
| 1970 - 1973 | Dodge | Polara | Custom | ||
| 1971 - 1971 | Dodge | Polara | Brougham | ||
| 1974 - 1978 | Dodge | Ramcharger | Base | ||
| 1975 - 1978 | Dodge | Ramcharger | SE | ||
| 1958 - 1959 | Dodge | Royal | Base | ||
| 1975 - 1977 | Dodge | Royal Monaco | Brougham | ||
| 1975 - 1977 | Dodge | Royal Monaco | Base | ||
| 1961 - 1961 | Dodge | Seneca | Base | ||
| 1958 - 1959 | Dodge | Sierra | Custom | ||
| 1958 - 1959 | Dodge | Sierra | Base | ||
| 1958 - 1958 | Dodge | Suburban | Base | ||
| 1960 - 1960 | Dodge | Truck | Base | ||
| 1975 - 1977 | Dodge | W100 | Custom | ||
| 1968 - 1974 | Dodge | W100 Pickup | Base | ||
| 1967 - 1967 | Dodge | W100 Series | Base | ||
| 1977 - 1978 | Dodge | W150 | Base | ||
| 1975 - 1978 | Dodge | W200 | Base | ||
| 1968 - 1974 | Dodge | W200 Pickup | Base | ||
| 1967 - 1967 | Dodge | W200 Series | Base | ||
| 1975 - 1976 | Dodge | W300 | Custom | ||
| 1977 - 1978 | Dodge | W300 | Base | ||
| 1968 - 1974 | Dodge | W300 Pickup | Base | ||
| 1967 - 1967 | Dodge | W300 Series | Base | ||
| 1960 - 1963 | Dual-Ghia | L6.4 | Base | ||
| 1959 - 1963 | Facel Vega | Excellence | Base | ||
| 1962 - 1964 | Facel Vega | Facel II | Base | ||
| 1959 - 1961 | Facel Vega | HK500 | Base | ||
| 1967 - 1969 | Jensen | Interceptor | MK I | ||
| 1967 - 1971 | Jensen | Interceptor | FF | ||
| 1970 - 1971 | Jensen | Interceptor | MK II | ||
| 1972 - 1973 | Jensen | Interceptor | SP | ||
| 1972 - 1976 | Jensen | Interceptor | MK III | ||
| 1967 - 1974 | Monteverdi | 375 | Base | ||
| 1971 - 1974 | Monteverdi | 450 SS | Base | ||
| 1964 - 1964 | Plymouth | Barracuda | Base | ||
| 1967 - 1972 | 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 - 1972 | Plymouth | Cuda | Base | ||
| 1960 - 1961 | Plymouth | Custom | Base | ||
| 1960 - 1963 | Plymouth | Fleet Special | Base | ||
| 1959 - 1959 | Plymouth | Fury | Sport | ||
| 1960 - 1967 | Plymouth | Fury | Base | ||
| 1962 - 1971 | Plymouth | Fury | Sport | ||
| 1966 - 1966 | Plymouth | Fury | VIP | ||
| 1968 - 1969 | Plymouth | Fury | VIP | ||
| 1968 - 1968 | Plymouth | Fury | Suburban | ||
| 1968 - 1968 | Plymouth | Fury | Sport Suburban | ||
| 1968 - 1968 | Plymouth | Fury | Custom Suburban | ||
| 1970 - 1974 | Plymouth | Fury | Suburban | ||
| 1970 - 1974 | Plymouth | Fury | Sport Suburban | ||
| 1970 - 1971 | Plymouth | Fury | Sport GT | ||
| 1970 - 1970 | Plymouth | Fury | S-23 | ||
| 1970 - 1970 | Plymouth | Fury | GT | ||
| 1970 - 1970 | Plymouth | Fury | Gran Coupe | ||
| 1970 - 1974 | Plymouth | Fury | Custom Suburban | ||
| 1971 - 1971 | Plymouth | Fury | Custom | ||
| 1972 - 1972 | Plymouth | Fury | Gran Sedan | ||
| 1972 - 1972 | Plymouth | Fury | Gran Coupe | ||
| 1974 - 1974 | Plymouth | Fury | Police | ||
| 1975 - 1978 | Plymouth | Fury | Sport | ||
| 1975 - 1975 | Plymouth | Fury | Custom | ||
| 1975 - 1978 | Plymouth | Fury | Base | ||
| 1976 - 1978 | Plymouth | Fury | Salon | ||
| 1968 - 1974 | Plymouth | Fury I | Base | ||
| 1965 - 1966 | Plymouth | Fury II | Base | ||
| 1968 - 1974 | Plymouth | Fury II | Base | ||
| 1968 - 1969 | Plymouth | Fury II | Custom Suburban | ||
| 1973 - 1973 | Plymouth | Fury II | Custom Suburban | ||
| 1965 - 1974 | Plymouth | Fury III | Base | ||
| 1972 - 1977 | Plymouth | Gran Fury | Base | ||
| 1975 - 1977 | Plymouth | Gran Fury | Brougham | ||
| 1975 - 1976 | Plymouth | Gran Fury | Custom | ||
| 1975 - 1976 | Plymouth | Gran Fury | Custom Suburban | ||
| 1975 - 1977 | Plymouth | Gran Fury | Sport | ||
| 1975 - 1977 | Plymouth | Gran Fury | Sport Suburban | ||
| 1975 - 1977 | Plymouth | Gran Fury | Suburban | ||
| 1967 - 1971 | Plymouth | GTX | Base | ||
| 1976 - 1978 | Plymouth | PB200 | Voyager | ||
| 1974 - 1974 | Plymouth | PB200 Van | Voyager | ||
| 1974 - 1974 | Plymouth | PB200 Van | Voyager EX Wagon | ||
| 1976 - 1978 | Plymouth | PB300 | Voyager | ||
| 1974 - 1974 | Plymouth | PB300 Van | Voyager | ||
| 1974 - 1974 | Plymouth | PB300 Van | Voyager EX Wagon | ||
| 1968 - 1975 | Plymouth | Road Runner | Base | ||
| 1965 - 1974 | Plymouth | Satellite | Base | ||
| 1968 - 1970 | Plymouth | Satellite | Sport | ||
| 1971 - 1971 | Plymouth | Satellite | Brougham | ||
| 1971 - 1974 | Plymouth | Satellite | Custom | ||
| 1971 - 1974 | Plymouth | Satellite | Regent | ||
| 1971 - 1974 | Plymouth | Satellite | Sebring | ||
| 1971 - 1974 | Plymouth | Satellite | Sebring Plus | ||
| 1960 - 1964 | Plymouth | Savoy | Base | ||
| 1960 - 1961 | Plymouth | Savoy | Deluxe | ||
| 1960 - 1961 | Plymouth | Sport Wagon | Base | ||
| 1958 - 1958 | Plymouth | Suburban | Base | ||
| 1960 - 1961 | Plymouth | Suburban | Base | ||
| 1960 - 1961 | Plymouth | Suburban | Custom | ||
| 1960 - 1961 | Plymouth | Suburban | Sport | ||
| 1970 - 1970 | Plymouth | Superbird | Base | ||
| 1974 - 1978 | Plymouth | Trailduster | Base | ||
| 1967 - 1967 | Plymouth | VIP | Base |
For more information on COMP Cams part number 1621-16, you can visit the official COMP Cams website.