COMP Cams Rocker Arms CB 1.7 1/2inUltra - cca1625-16

The Ultra Pro Magnum Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnum Rockers, 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. * Investment cast 8650 chromemoly body and arched, weblike design deliver increased strength and rigidity while reducing moment of inertia * Withstand valve spring pressures up to 850 lbs. * Unique black oxide exterior finish helps prevent corrosion, thus increasing durability * Increased retainer and valve spring clearances allow use of large diameter springs, retainers and +.050" locks without clearance or fitment issues * Feature oversized trunnions, precision-sorted needle bearings and hardened roller tips PartNumber : cca1625-16 Description : Ultra Pro Magnum Rocker Arm; 16 Pieces Title : 1625-16 Rocker Arms, CB 1.7 1/2"Ultra Pro Mag Ratio : 1.7 Stud Diameter : 1/2" California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Engine Family : Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) Maximum Valve Spring Open Pressure : 850 Rocker Arm Material : 8650 Chromemoly Steel Rocker Arm Ratio : 1.7 Rocker Arm Series : Ultra Pro Magnum Rocker Stud Diameter : 1/2 1970-1972 Chevrolet C20 Pickup Base V8.6588cc Engine Components::Rocker Arms 1967 Chevrolet Camaro Base V8.6489cc Engine Components::Rocker Arms 1967 Chevrolet Camaro RS V8.6489cc Engine Components::Rocker Arms 1969 Chevrolet Camaro SS V8.-cc Engine Components::Rocker Arms 1967-1968 Chevrolet Camaro SS V8.6489cc Engine Components::Rocker Arms 1973 Chevrolet K20 Suburban Base V8.7441cc Engine Components::Rocker Arms 1968-1969 Chevrolet K30 Pickup Base V8.6489cc Engine Components::Rocker Arms 1975-1978 GMC C15 Suburban Base V8.-cc Engine Components::Rocker Arms 1975-1978 GMC C15 Suburban High Sierra V8.-cc Engine Components::Rocker Arms 1975-1978 GMC C15 Suburban Sierra Classic V8.-cc Engine Components::Rocker Arms 1975-1978 GMC C15 Suburban Sierra Grande V8.-cc Engine Components::Rocker Arms 1979-1980 GMC C1500 Suburban Base V8.-cc Engine Components::Rocker Arms 1979-1980 GMC C1500 Suburban High Sierra V8.-cc Engine Components::Rocker Arms 1979-1980 GMC C1500 Suburban Sierra Classic V8.-cc Engine Components::Rocker Arms 1979-1980 GMC C1500 Suburban Sierra Grande V8.-cc Engine Components::Rocker Arms 1975-1978 GMC C25 Suburban Base V8.-cc Engine Components::Rocker Arms 1975-1978 GMC C25 Suburban High Sierra V8.-cc Engine Components::Rocker Arms 1975-1978 GMC C25 Suburban Sierra Classic V8.-cc Engine Components::Rocker Arms 1975-1978 GMC C25 Suburban Sierra Grande V8.-cc Engine Components::Rocker Arms