Speedmaster PCE100.1003 SBC MLS Head Gasket Stud Kit Bore - 350 12pt 4.100

The Speedmaster PCE100.1003 is a complete engine sealing solution for small block Chevy 350 builds with a 4.100-inch bore, combining high-performance multi-layer steel head gaskets with a premium chromoly stud kit designed for extreme power applications.

Head Stud Kit Features:

• Manufactured from aircraft-quality 8740 chromoly steel for maximum strength
• Cold-forged construction ensures molecular integrity and consistent performance
• Heat-treated prior to thread rolling and machining for superior durability
• Rated at 190,000 psi tensile strength for high-boost and nitrous applications
• 12-point nuts provide excellent engagement and easy installation
• Hardened parallel washers included for even load distribution and accurate torque readings

Multi-Layer Steel Head Gasket Features:

• MLS construction designed specifically for 4.100-inch bore applications
• High-pressure steel laminate design withstands extreme shearing forces
• Ideal for aluminum head to iron block combinations
• Internal embossments expand with heat to improve sealing under load
• Maintains consistent contact pressure during dynamic engine operation
• Proven performance in turbocharged, supercharged, and nitrous applications

This complete kit provides everything needed to properly secure cylinder heads on high-performance small block Chevy engines, ensuring reliable sealing even under extreme combustion pressures and temperatures. The combination of premium fasteners and MLS gasket technology makes this an excellent choice for serious performance builds.