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These Sportsman 396-454 Chevy roller rocker arms are made from 4340 heat treated steel and featurea longer slot to eliminate stud bind issues.Rockers have a1.72 ratioand are supplied withpivot balls and polylocks for 7/16" studs.
These Sportsman 429/460 Ford roller rocker arms are made from 4340 heat treated steel and featurea longer slot to eliminate stud bind issues.Rockers have a1.72 ratioand are supplied withpivot balls and polylocks for 7/16" studs.
If your class or budget does not allow aluminum or stainless roller rocker arms, check out these steel roller tip rockers. Made from 4340 heat treated chromoly steel, they feature a longer slot to eliminate stud bind issues. Plus, the roller tip minimizes scrubbing (the result of the valve stem pushing hard against the valve guide), reducing friction and freeing up an additional 15 to 30 horsepower over stock rockers.
If your budget does not allow for aluminum or stainless roller rocker arms, check out these steel roller tip rockers. Made from 4340 heat treated chromoly steel, they feature a longer slot to eliminate stud bind issues. Plus, the roller tip minimizes scrubbing (the result of the valve stem pushing hard against the valve guide), reducing friction and freeing up an additional 15 to 30 horsepower over stock rockers.
If your class or budget does not allow aluminum or stainless roller rocker arms, check out these rockers. Made from 4340 heat treated steel and feature a longer slot to eliminate stud bind issues. Includes nuts and balls.
These full-roller Stainless Steel rockers incorporate an exceptional lightweight design that provides plenty of clearance for large diameter springs. Manufactured from premium quality 15-5 PH stainless steel, a superior alloy high in Nickel and Chromium, this rigid material provides high yield strength to help resist deflection and has extraordinary fatigue resistance.
These stainless steel roller rockers are built of 15-5PH material which gives you superior strength over other stainless rockers. They have more needle bearings which increases strength while reducing friction. Built to clear 1.55" valve springs.