Proform 66906C stamped roller tip rocker arms.
Fits Chevrolet small block engines.
Use with 3/8" stud size.
They have longer than stock stud slots for extra clearance with high lift camshafts and have a roller tip to provide better valve stem and valve guide wear and reduce friction and heat.
Sold as a set of 16 roller tip rockers with attaching nuts.
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We will not ship to freight forwarding - expediting companies.
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