Comp Cams ROCKER ARMS 348/409 CHEVY 1.7 ULTRA PRO MAG 4G4RBF Quantity: Sold as a Kit

Quantity: Sold as a Kit

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Custom 1962 Mercury Monterey Custom S-55 1963 - 1967 Mercury Monterey S-55 1964 - 1968 Mercury Park Lane Base 1965 - 1967 Mercury Villager Base 1966 - 1967 Mercury Voyager Base

These reinforcing crankshaft adapters bolt on behind the flexplate to extend the pilot 1/2-inch toward the transmission

BB1403: 60 Tooth tone ring 14 bolt

Comp Cams ROCKER ARMS 348/409 CHEVY 1.7 ULTRA PRO MAG 4G4RBF Quantity: Sold as a KitUltra Pro MagnumT Roller Rocker Arms not only live up to the lofty standards of the original Pro MagnumsT, but they also take stud mount rocker performance, stability and value to a whole new level. 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