• SBC and 90 Chevy V6, and Small Block Chrysler with single plane manifold, set of 12 3/8" -16 x 1-1/8"
• 3/8" diameter, 12-point head intake manifold bolts for use with aftermarket intake manifolds designed with extremely tight fastener clearances
• Kits are manufactured of Grade 8 steel with gold iridite finish and come complete with close-tolerance washers