The Speedmaster PCE287.1004 Main Stud Kit is engineered for Chevy Big Block 454 engines with 4-bolt main caps, providing a stronger and more reliable clamping solution than standard factory bolts. The 12-point fastener design allows for precise torquing in tight engine bay spaces, helping to maintain critical main cap alignment under high-stress operating conditions.
Designed as a direct replacement upgrade for Big Block Chevy 454 applications, this stud kit is an ideal choice for performance builds, rebuilds, and high-output street or racing engines where main cap integrity is essential for long-term durability and engine longevity.
MPNPCE287.1004
UPC840136533139
