Proform Self Aligning Roller Rockers

Proform 66915C roller rocker arms.

Fits 1988-1999 Chevrolet small block engines.

Self aligning roller tip.

Made of extruded aluminum.

1.6 ratio.

Use with 3/8 rocker studs.

Rid your engine of internal friction with roller-tipped rocker arms.

Race-proven full needle bearing fulcrum and roller tip not only unleash horsepower, they also lengthen valve train component life and reduce wear and tear on valve stem tips.

Precision machined to insure consistency and ratio accuracy.

TECH NOTE: Cannot be used with mechanical lifter cams. Do not use with pushrod guide plates or with cylinder head castings that guide the pushrods, as severe pushrod wear will occur. Not for use in LS-1 type engines.

Sold as 16 extruded aluminum roller rockers and 16 poly locks.

Proform Parts 66915C Chevy small block 1.6 ratio self aligning rocker arms PROFORM-66915C$219.97


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