Competition Cams 1620-16 Ultra Pro Magnum (TM) Rocker Arm
Investment Cast 8650 Chromemoly Body And Arched Web Like Design Deliver Increased Strength And Rigidity While Reducing Moment Of Inertia Unique Black Oxide Exterior Finish Helps Prevent Corrosion Thus Increasing Durability Optimized Retainer And Valve Spring Clearances Allow Use Of Most Diameter Springs Retainers And +0.05 Inch Locks Without Clearance Or Fitment Issues Feature Oversized Trunions Precision Sorted Needle Bearings And Hardened Roller Tips Limited 1 Year Warranty
Specifications
Body Construction - Cast Chromoly Steel
Maximum Spring Pressure - 850 Pound
Mount Type - Stud Mount
Offset - No Offset
Roller Pivot - Yes
Roller Tip - Yes
Self Aligning - No
Compatibility - Chevy Big Block 6.5L-7.4L/396-454 Cubic Inch
Stud Diameter - 7/16 Inch
Ratio - 1.7
Quantity - Set Of 16
Nut Style - Polylock
The new Ultra Pro Magnum Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount rocker performance stability and value to a whole new level. The modern arched web like design delivers increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance.
This Fits
| Year | Make | Model |
|---|---|---|
| 1961-1975 | Chevrolet | Bel Air |
| 1961-1972 | Chevrolet | Biscayne |
| 1973-1974 | Chevrolet | Blazer |
| 1961-1961 | Chevrolet | Brookwood |
| 1969-1972 | Chevrolet | Brookwood |
| 1975-1980 | Chevrolet | C10 |
| 1968-1974 | Chevrolet | C10 Pickup |
| 1968-1980 | Chevrolet | C10 Suburban |
| 1990-1993 | Chevrolet | C1500 |
| 1975-1986 | Chevrolet | C20 |
| 1968-1974 | Chevrolet | C20 Pickup |
| 1968-1986 | Chevrolet | C20 Suburban |
| 1991-1996 | Chevrolet | C2500 |
| 1992-1996 | Chevrolet | C2500 Suburban |
| 1975-1986 | Chevrolet | C30 |
| 1968-1974 | Chevrolet | C30 Pickup |
| 1988-1996 | Chevrolet | C3500 |
| 1967-1972 | Chevrolet | Camaro |
| 1966-1976 | Chevrolet | Caprice |
| 1965-1973 | Chevrolet | Chevelle |
| 1968-1968 | Chevrolet | Chevy II |
| 1965-1974 | Chevrolet | Corvette |
| 1966-1976 | Chevrolet | El Camino |
| 1969-1970 | Chevrolet | Estate |
| 1996-1996 | Chevrolet | Express 3500 |
| 1976-1976 | Chevrolet | G10 |
| 1973-1974 | Chevrolet | G10 Van |
| 1975-1980 | Chevrolet | G20 |
| 1973-1974 | Chevrolet | G20 Van |
| 1975-1980 | Chevrolet | G30 |
| 1988-1996 | Chevrolet | G30 |
| 1973-1974 | Chevrolet | G30 Van |
| 1961-1976 | Chevrolet | Impala |
| 1975-1980 | Chevrolet | K10 |
| 1968-1974 | Chevrolet | K10 Pickup |
| 1968-1979 | Chevrolet | K10 Suburban |
| 1975-1980 | Chevrolet | K20 |
| 1968-1974 | Chevrolet | K20 Pickup |
| 1968-1980 | Chevrolet | K20 Suburban |
| 1985-1985 | Chevrolet | K20 Suburban |
| 1991-1996 | Chevrolet | K2500 |
| 1992-1996 | Chevrolet | K2500 Suburban |
| 1977-1986 | Chevrolet | K30 |
| 1968-1974 | Chevrolet | K30 Pickup |
| 1988-1996 | Chevrolet | K3500 |
| 1975-1979 | Chevrolet | K5 Blazer |
| 1961-1961 | Chevrolet | Kingswood |
| 1969-1972 | Chevrolet | Kingswood |
| 1973-1976 | Chevrolet | Laguna |
| 1965-1967 | Chevrolet | Malibu |
| 1973-1976 | Chevrolet | Malibu |
| 1970-1976 | Chevrolet | Monte Carlo |
| 1961-1961 | Chevrolet | Nomad |
| 1969-1972 | Chevrolet | Nova |
| 1977-1977 | Chevrolet | P10 |
| 1973-1973 | Chevrolet | P10 Van |
| 1976-1976 | Chevrolet | P20 |
| 1979-1979 | Chevrolet | P20 |
| 1970-1971 | Chevrolet | P20 Van |
| 1973-1973 | Chevrolet | P20 Van |
| 1975-1996 | Chevrolet | P30 |
| 1962-1965 | Chevrolet | P30 Series |
| 1970-1974 | Chevrolet | P30 Van |
| 1961-1961 | Chevrolet | Parkwood |
| 1987-1988 | Chevrolet | R20 |
| 1987-1988 | Chevrolet | R20 Suburban |
| 1989-1989 | Chevrolet | R2500 |
| 1989-1991 | Chevrolet | R2500 Suburban |
| 1987-1988 | Chevrolet | R30 |
| 1989-1991 | Chevrolet | R3500 |
| 1969-1972 | Chevrolet | Townsman |
| 1987-1988 | Chevrolet | V20 Suburban |
| 1990-1990 | Chevrolet | V2500 Suburban |
| 1987-1988 | Chevrolet | V30 |
| 1989-1991 | Chevrolet | V3500 |
