5/16-18 X. 730 +- shoulder bolts, United Technologies Pratt and Whitney part # 2178425, Hi-temp nickel alloy. THESE ARE NOT STANDARD 5/16 BOLTS. The shoulder is slightly oversize. MATT MATERIAL NICKEL ALLOY OVERALL.
12 NEW A-1 Technologies 5/16-18 X 5/16-18 x 2.810" Long Coarse Hardened Studs
RCI 7506A Fuel Cell Mounting Kit, 15 Gallon - 18" x 20" x 10"
NEW Insulation Heat Shield Thin Pad 18" X 56" x 1/8" Thick from a NASCAR Shop
10pcs Copper Washer Flat Sealing Gasket Ring Spacer for Car 12 x 18 x 1.5mm
5 Pcs Copper Washer Flat Sealing Gasket Ring Spacer for Car 18 x 25 x 1.5mm