Description
Handle extreme cylinder pressures on your Sea-Doo 4-TEC with the R&D High Performance Head Gasket (.036 / -.006″). This multi-layer steel (MLS) gasket features dual embossing and Viton coating for superior sealing under high boost, making it ideal for big-power builds and aggressive tuning.
Advanced Sealing Technology
- MLS stack design withstands high heat and pressure
- Dual embossed (both sides) for better conformability
- Viton coating ensures positive, leak-free seal
- .036″ thickness (-.006″ from stock) for slight compression bump
Stock head gaskets can fail under increased boost or compression. This R&D MLS gasket is engineered for those conditions, providing reliable sealing where OEM units fall short – critical for 255/260/300+ hp setups.
Built for Boost
Materials and construction are proven in high-performance marine and automotive applications, resisting blowout and thermal cycling.
- Supports safe increases in boost and timing
- Reduces risk of head lift or combustion leaks
- Essential for turbo, big-wheel, or ECU-tuned 4-TECs
- Maintains compression integrity over time
Push harder with confidence.
Install Recommendations
Use with ARP head studs if possible, clean surfaces perfectly, torque in sequence per R&D specs. Check for warpage if reusing head. Pressure test after assembly.
Seal high-boost Sea-Doo 4-TEC engines reliably with the R&D MLS Head Gasket.
