Moroso Performance Oil Pan Stud Kit Features: Steel Studs Screw Into Engine Block Simplifies Pan Installation/Extends Gasket Life Has Allen Head Socket At One End Feature Attached Washers w/Serrated Faces Which Provides Positive Grip On Pan Wall Studs Finished w/Black Oxide Nuts Are Cadmium/Zinc Plated To Resist Corrosion High Recommended For Use w/Fabricated Pans Height: 1.50 Width: 3.75 Length: 5.00 Weight: 0.68 lbs Vehicle Type: Oil Pans Fitment: CHEVROLET 1966 - 1969 427 BIG BLOCK 1970 - 2000 454 BIG BLOCK 1985 - 2010 502 BIG BLOCK 1970 - 2000 540 BIG BLOCK 1970 - 2000 555 BIG BLOCK 1970 - 2000 565 BIG BLOCK 1970 - 2010 632 BIG BLOCK PONTIAC 1967 - 1979 400 SM BLOCK 1967 - 1969 428 BIG BLOCK 1970 - 1976 455 BIG BLOCK