Speedmaster PCE279.1029 Chevy SBC 350 Head Stud Kit 3/8" to 7/16" Donovan Aluminum Block

The Speedmaster PCE279.1029 head stud kit is engineered specifically for Chevy small block 350 engines with Donovan aluminum blocks, providing a robust fastening solution for high-performance applications. This premium stud kit upgrades from 3/8" to 7/16" diameter studs, delivering significantly improved clamping force and reliability under extreme cylinder pressures.

Key Features:

• Manufactured from aircraft-quality 8740 chromoly steel for maximum tensile strength
• Cold-forged construction ensures molecular integrity and eliminates internal defects
• Heat-treated prior to thread rolling and precision machining
• Rated at 190,000 psi tensile strength for extreme durability
• Upgrades from 3/8" to 7/16" diameter for increased clamping force
• Includes 12-point nuts for positive engagement and reduced rounding
• Hardened parallel washers provide even load distribution
• Ensures accurate torque readings for proper cylinder head installation

This complete stud kit is ideal for race engines, forced induction applications, and any high-performance build where cylinder head gasket sealing is critical. The larger 7/16" studs are specifically designed to work with Donovan aluminum block architecture, providing the additional clamping force needed to maintain head gasket integrity under severe racing conditions.