The Speedmaster PCE287.1013 Main Stud Kit is engineered for Mopar Chrysler small-block 318, 340, and 360 engines equipped with 2-bolt main caps. Featuring 12-point fastener heads for positive wrench engagement, this kit is designed to provide more secure and consistent clamping force compared to standard main cap bolts, helping to maintain critical bottom-end integrity under demanding conditions.
Designed as a direct upgrade for builders looking to improve the reliability of their Mopar small-block bottom end, this stud kit is a straightforward replacement that fits within the existing 2-bolt main cap configuration. Whether you're refreshing a stock engine or building for performance, the Speedmaster PCE287.1013 delivers a quality fastener solution purpose-built for these classic Chrysler applications.