\ Product Categories Camshafts/Cam Kits Carburetors Clutch kits Cold Air Intakes Connecting Rods Crankshafts Cylinder Heads Distributors Engine Bearings Engine Kits & Re-Ring Kits Fasteners Flexplates Gaskets Guide Plates Harley Engine Parts Harmonic Balancers Intake Manifolds Machine Shop Supplies Maddog Specialty Products Oil Pump/Accessories Piston Rings Pistons Pushrods Rocker Arms Rocker Shafts Rocker Stud Girdles Rotating Assemblies Timing/Gear Drives Tools Torque Converters Valve Locks/Keepers Valve Seals Valve Spring Retainers Valve Springs/Spring Kits Valves Water Pumps Home | Products | SB Chevy Main Studs 190,000psi \ SB Chevy Main Studs 190,000psi Part Number: 2421 Manufacturer: Procomp Electronics Complete set of main studs for SB Chevy 190,000psi. Crafted from 8740 high tensile strength chromemoly steel. With 12-pt hex nuts and washers. Allen keyed for easy installation and removal. #2421 Price: $ 29.00