The next design evolution of the Hi-Tech Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ratios. A unique and wide ratio range to fit almost any popular application. These XD rockers are fully rebuildable and boast precision-sorted needle bearings and hardened roller tips. And they work with most diameter springs and retainers. The new XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI optimization for drag and circle track applications.
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1806 rockers feature a 1.65 ratio for use with 7/16" stud Chevrolet 200-262 V6.
For Small Block Chevrolet applications, 1.65 ratio, 7/16" stud; Machined billet pushrod seat insert; 8650 steel construction outlasts and outperforms other rockers in accuracy and strength; Ultra Pro Magnum XD Rocker Arm bodies are guaranteed against breakage for life;
Fits, Fitments
1978 Chevrolet Malibu Base
1978 Chevrolet Malibu Classic
1978 Chevrolet Malibu Classic Landau
1978 Chevrolet Monte Carlo Landau
1978 Chevrolet Monte Carlo Sport
1979 Chevrolet Malibu Base
1979 Chevrolet Malibu Classic
1979 Chevrolet Malibu Classic Landau
1979 Chevrolet Malibu Classic Sport
1979 Chevrolet Malibu Landau
1979 Chevrolet Malibu Police
1979 Chevrolet Malibu Sport
1979 Chevrolet Monte Carlo Base
1979 Chevrolet Monte Carlo Landau
1985 Chevrolet Caprice Classic
1985 Chevrolet Impala Base
1985 Chevrolet Monte Carlo Base
1985 Pontiac Parisienne Base
1985 Pontiac Parisienne Brougham
1986 Chevrolet Caprice Base
1986 Chevrolet Caprice Classic
1986 Chevrolet Caprice Classic Brougham
1986 Chevrolet Monte Carlo Base
1986 Chevrolet Monte Carlo LS
1986 Pontiac Bonneville Base
1986 Pontiac Bonneville Brougham
1986 Pontiac Bonneville LE
1986 Pontiac Grand Prix Base
1986 Pontiac Grand Prix Brougham
1986 Pontiac Grand Prix LE
1986 Pontiac Parisienne Base
1986 Pontiac Parisienne Brougham
1987 Chevrolet Caprice Base
1987 Chevrolet Caprice Classic
1987 Chevrolet Caprice Classic Brougham
1987 Chevrolet Caprice Classic LS Brougham
1987 Chevrolet Monte Carlo Base
1987 Chevrolet Monte Carlo LS
1987 Pontiac Grand Prix Base
1987 Pontiac Grand Prix Brougham
1987 Pontiac Grand Prix LE
1988 Chevrolet Caprice Base
1988 Chevrolet Caprice Classic
1988 Chevrolet Caprice Classic Brougham
1988 Chevrolet Caprice Classic LS Brougham
1988 Chevrolet Monte Carlo Base
1988 Chevrolet Monte Carlo LS
1989 Chevrolet Caprice Base
1989 Chevrolet Caprice Classic
1990 Chevrolet Caprice Base
1990 Chevrolet Caprice Classic
1993 Chevrolet Caprice Classic