COMP Cams 1621-16 Ultra Pro Magnum 1.5 Ratio Shaft Mount Rocker Arm Kit for Chrysler 383-440 B/RB for Select Bristol 411, Chrysler 300, Chrysler Cordoba, Chrysler Imperial, Chrysler New Yorker, Chrysler Newport, Chrysler Saratoga, Chrysler Town &
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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.
Complete with bolts, shafts and spacers, this 1.5 Ultra Pro Magnum shaft-mount rocker system for Chrysler 383-440 B/RB is made from 8620 chromemoly, handles higher spring rates, a unique oil system and an adjuster that allows ball pushrods.
Fits: 1969-1974 Bristol 411, 1959-1971 Chrysler 300, 1975-1978 Chrysler Cordoba, 1959-1975 Chrysler Imperial, 1959-1978 Chrysler New Yorker, 1959-1978 Chrysler Newport, 1959-1960 Chrysler Saratoga, 1959-1977 Chrysler Town & Country, 1959-1961 Chrysler Windsor, 1959-1960 DeSoto Adventurer, 1959 DeSoto Firedome, 1959 DeSoto Fireflite, 1963-1964 Dodge 330, 1963-1964 Dodge 440, 1963-1965 Dodge 880, 1974 Dodge B100 Van, 1975-1978 Dodge B200, 1971-1974 Dodge B200 Van, 1975-1978 Dodge B300, 1974 Dodge B300 Van, 1976-1979 Dodge CB300, 1970-1974 Dodge Challenger, 1966-1978 Dodge Charger, 1959-1976 Dodge Coronet, 1959-1961 Dodge Custom, 1975-1978 Dodge D100, 1968-1974 Dodge D100 Pickup, 1967 Dodge D100 Series, 1977-1978 Dodge D150, 1975-1978 Dodge D200, 1968-1974 Dodge D200 Pickup, 1967 Dodge D200 Series, 1975-1978 Dodge D300, 1968-1974 Dodge D300 Pickup, 1967 Dodge D300 Series, 1960-1969 Dodge Dart, 1959 Dodge Lancer, 1974 Dodge M300, 1974 Dodge MB300, 1978 Dodge Magnum, 1960 Dodge Matador, 1965-1978 Dodge Monaco, 1960-1961 Dodge Phoenix, 1961 Dodge Pioneer, 1960-1973 Dodge Polara, 1974-1978 Dodge Ramcharger, 1959 Dodge Royal, 1975-1977 Dodge Royal Monaco, 1961 Dodge Seneca, 1959 Dodge Sierra, 1960 Dodge Truck, 1975-1977 Dodge W100, 1968-1974 Dodge W100 Pickup, 1967 Dodge W100 Series, 1977-1978 Dodge W150, 1975-1978 Dodge W200, 1968-1974 Dodge W200 Pickup, 1967 Dodge W200 Series, 1975-1978 Dodge W300, 1968-1974 Dodge W300 Pickup, 1967 Dodge W300 Series, 1960-1963 Dual-Ghia L6.4, 1959-1963 Facel Vega Excellence, 1962-1964 Facel Vega Facel II, 1959-1961 Facel Vega HK500, 1967 Fargo D100 Panel Delivery, 1967-1971 Fargo D100 Pickup, 1967-1971 Fargo D110 Pickup, 1967 Fargo D200 Panel Delivery, 1967-1971 Fargo D200 Pickup, 1967-1971 Fargo D210 Pickup, 1967 Fargo W100 Panel Delivery, 1967-1971 Fargo W100 Pickup, 1969-1971 Fargo W110 Pickup, 1967-1971 Fargo W200 Pickup, 1967-1974 Jensen Interceptor, 1967-1974 Monteverdi 375, 1971-1974 Monteverdi 450 SS, 1967-1972 Plymouth Barracuda, 1960-1970 Plymouth Belvedere, 1970-1972 Plymouth Cuda, 1960-1961 Plymouth Custom, 1960-1963 Plymouth Fleet Special, 1960-1978 Plymouth Fury, 1968-1974 Plymouth Fury I, 1968-1974 Plymouth Fury II, 1968-1974 Plymouth Fury III, 1967-1971 Plymouth GTX, 1972-1977 Plymouth Gran Fury, 1976-1978 Plymouth PB200, 1974 Plymouth PB200 Van, 1976-1978 Plymouth PB300, 1974 Plymouth PB300 Van, 1968-1975 Plymouth Road Runner, 1965-1974 Plymouth Satellite, 1960-1964 Plymouth Savoy, 1960-1961 Plymouth Sport Wagon, 1960-1961 Plymouth Suburban, 1970 Plymouth Superbird, 1974-1978 Plymouth Trailduster, 1967 Plymouth VIP
Please review Specifications and the detailed fitment table for notes and exceptions.