SB CHVYLS1 MAIN STDKIT

Engine Compatibility: Chevy Small Block LS Series,Main Type: 4 Bolt Main Caps,Head Type: Hex,Material: Steel Kit Come Complete With Hardened Parallel Ground Washers And High Quality Nuts,Manufactured From 8740 Chrome Moly Steel,Heat Treated To 200,000 Pounds Per Square Inch,Precision J-Form Threads Rolled After Heat Treat To Create A Fastener That Has Threads 1000 Percent Stronger Than Others,No Supplier Warranty