Intake Manifold Bolt Kit, Small Block Chevy,Amc, Mopar, and all Pontiac, V8/Aluminum Replaces standard factory bolts with grade 8 bolts,& high tech cup washers, machined from aircraft quality 6061 T-6 billet aluminum, manufactured on high tech CNC machines. Anodized in five bright dip colors, our dress up engine parts are made in America.