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.
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.
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.
Application Summary:
| Year | Make/Model |
|---|---|
| 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 | Dodge B200 Van |
| 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 | Dodge Coronet |
| 1965-1976 | 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 |
| 1960-1962 | Dodge Dart |
| 1967-1969 | Dodge Dart |
| 1959 | Dodge Lancer |
| 1974 | Dodge M300 |
| 1978 | Dodge Magnum |
| 1960 | Dodge Matador |
| 1974 | Dodge MB300 |
| 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 |
| 1968-1971 | Dodge W100 Pickup |
| 1973-1974 | Dodge W100 Pickup |
| 1967 | Dodge W100 Series |
| 1977-1978 | Dodge W150 |
| 1975-1978 | Dodge W200 |
| 1968-1971 | Dodge W200 Pickup |
| 1973-1974 | 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 |
| Attributes | |
| Amazon ASIN | N/A |
| ASIN | B004QOK1X2 |
| C.A.R.B. E.O. Number | N/A |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for On-Road Vehicles? | No |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? | Yes, but must be a race/competition only vehicle. |
| C.A.R.B. Exemption Reason | N/A |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Country of Origin (Primary) | US |
| Emission Code | Legal US |
| Engine Family | Chrysler V8 383-440, Chrysler V8 383-440 |
| Engine Make/Size | Mopar 383-440 |
| Harmonized Tariff Code (Schedule B) | 8409914000 |
| Hazardous Material Code | N |
| Life Cycle Status Code | Available to Order |
| Maximum Valve Spring Open Pressure | 850, 850 |
| NAFTA Preference Criterion Code | B |
| Ratio | 1.5 |
| Rocker Arm Material | 8650 Chromemoly Steel, 8650 Chromemoly Steel |
| Rocker Arm Ratio | 1.5, 1.5 |
| Rocker Arm Series | Ultra Pro Magnum, Ultra Pro Magnum |
| Rocker Stud Diameter | Shaft, Shaft |
| SDR Required Flag | N |
| SDS Sheet Number | N/A |
| Stud Size | Shaft |
| GTIN | 00036584222699 |