SCE Gaskets P391580L Pro Copper Head Gasket Bore Thick SBF - 4.155 0.080

The SCE Gaskets P391580L is a professional-grade copper cylinder head gasket engineered specifically for Small Block Ford engines with Yates/BOSS cylinder heads. This left-hand (driver side) gasket features a 4.155-inch bore diameter and 0.080-inch compression thickness, making it ideal for high-performance applications requiring precise sealing and durability.

Key Features:

• Premium solid copper construction for superior heat dissipation and conformability
• 4.155-inch bore diameter accommodates stroker and high-performance builds
• 0.080-inch compression thickness allows for precise compression ratio tuning
• Designed specifically for Yates and BOSS Small Block Ford cylinder heads
• Driver side (left-hand) application
• Pro Copper series gasket for maximum reliability under extreme cylinder pressures

SCE Pro Copper head gaskets are the choice of professional engine builders for race and high-performance street applications. The solid copper design provides excellent thermal conductivity and the ability to conform to minor surface imperfections, creating a reliable seal even under demanding conditions. Ideal for forced induction, nitrous oxide, and high-compression naturally aspirated engines.