Main Stud Kit for SB Chevy

The ARP 134-5002 is a high-performance main bolt kit specifically engineered for SB Chevy 2-bolt small journal crankshaft applications. Constructed from durable alloy steel, these fasteners boast an impressive tensile strength rating of 180,000 psi, ensuring reliability under demanding engine conditions. The ARP 134-5002 main bolt kit is compatible with SB Chevrolet 2-bolt small journal engines and is noted to fit small block Chevy engines from 1967 and older, particularly those with small journal crankshafts. The hex head bolts feature thread sizes of either 7/16"-13 UNC or 1/2"-13 UNC, offering versatility for various build configurations. The kit is sold as a complete set, ensuring all necessary main bolts are included for a comprehensive engine build.