Product Description
The BTR LS9 MLS Cylinder Head Gasket Pair is the ultimate sealing solution for high-boost LS builds, featuring a 4.100” bore and engineered to match the legendary reliability of GM’s LS9 head gasket—originally designed for the supercharged ZR1 Corvette. Sold as a matched pair, these gaskets are ideal for turbocharged, supercharged, nitrous, and high-compression applications. Whether you're building a boosted 6.0L, a 6.2L stroker, or an all-out drag setup, BTR's MLS gaskets provide race-ready performance with OEM-level fitment. The multi-layer stainless steel construction with advanced coatings ensures leak-free operation, even under extreme pressure and thermal cycles. Compatible with factory and aftermarket aluminum heads, these gaskets are trusted by engine builders and racers who need reliability under fire.
Product Information
- High-Performance MLS Head Gasket Pair – Includes two (2) BTR LS9 multi-layer steel gaskets, built to handle high cylinder pressures in turbo, supercharged, and nitrous LS engines.
- 4.100” Bore Compatibility – Ideal for strokers, forged rotating assemblies, and large bore builds, delivering precise sealing and optimal combustion chamber integrity.
- Built for Boost – Based on the proven GM LS9 design, these gaskets are perfect for forced induction applications where traditional head gaskets may fail under pressure.
- Multi-Layer Steel Construction – Features a durable MLS design with proprietary coatings for exceptional head sealing, heat resistance, and long-term durability.
- Replaces GM 12622033 – Drop-in replacement for factory LS9-style gaskets with enhanced sealing properties for performance and racing engines.
