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BLOX Racing is excited to introduce its new line of metal head gaskets. These 3-layer MLS head gaskets are being introduced for Honda B-series engines in 81mm and 84mm bore sizes, respectively. BLOX Racing MLS metal head gaskets are specially designed to be used in conjunction with BLOX Racing's LS/VTEC conversion kits, for B16/B18 or B20 blocks, but are also ideal high performance OEM replacements.
Key Features
- 0.030in Thickness: Compressed thickness of 0.030 inches ideal for stock or performance head milling to achieve desired compression ratios without excessive thinness.
- MLS Construction: Multi-layer steel design with T304 stainless steel outer layers and 301 spring steel inner layer plus silicone beads for reliable sealing on uneven surfaces under high heat and pressure.
- 81mm Bore Size: Matches factory 81mm bores precisely supports mild overbores up to 84mm with proper block machining for performance builds.
- High Pressure Rating: Engineered to withstand cylinder pressures in applications up to 800 horsepower including turbo and supercharger setups.
- Direct Bolt-On Fit: Replaces OEM gasket exactly in all B16A B16B B18A B18B B18C cylinder heads and blocks no modifications required.
- Outer layers are T304 stainless steel inner layer is 301 spring steel with fire-ring silicone rubber sealing beads for heat resistance.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 1990-1993 | Acura | Integra | GS |
| 1997-2001 | Acura | Integra | GS |
| 1994-2001 | Acura | Integra | GS-R |
| 1990-2001 | Acura | Integra | LS |
| 1990-1998 | Acura | Integra | RS |
| 1995-1996 | Acura | Integra | Special Edition |
| 1997-1998 | Acura | Integra | Type R |
| 2000-2001 | Acura | Integra | Type R |
| 1998-2001 | Honda | CR-V | EX |
| 1997-2001 | Honda | CR-V | LX |
| 2000-2001 | Honda | CR-V | SE |
| 1999-2000 | Honda | Civic | Si |
Specifications
| Manufacturer | BLOX Racing |
|---|---|
| Manufacturer Part Number | BXFL-00500-81 |
| Product Type | Head Gaskets |
| Fitment Type | Vehicle specific, verify the complete application |
What's Included
One new BLOX Racing product in the exact configuration identified by manufacturer part number BXFL-00500-81. Only components expressly stated for this exact part number are included.
About BLOX Racing
BLOX Racing develops performance intake, exhaust, fuel, engine, drivetrain, suspension, wheel-hardware, and interior components for street and competition applications. Selection remains exact-part-number and exact-application specific.
Related BLOX Racing Products
- BLOX Racing Honda B20B MLS Head Gasket 84mm Bore 0.030in Thick
- BLOX Racing Ls/Vtec (B18 B20) Conversion Kit - With 81mm Head Gasket
- BLOX Racing Cylinder Head to Exhaust Manifold MLS Gasket for Subaru EJ20/EJ25 (Pair)
Browse the BLOX Racing collection for related performance components.
Frequently Asked Questions
Will this fit my 1990-1993 Acura Integra GS?
That application is listed, but confirm the complete year, make, model, trim, transmission, factory equipment, dimensions, and every BLOX Racing fitment note before ordering.
Does this include everything needed for installation?
Only the components expressly listed for this exact BLOX Racing part number are included. Gaskets, fluids, tuning, adapters, fasteners, wiring, tools, and companion parts may be required depending on the application.
Will tuning or calibration be required?
It may be required when airflow, fueling, boost, throttle control, emissions equipment, or engine management changes. Confirm the manufacturer requirements for the exact vehicle and combination before installation.
Installation Instructions
Follow the current BLOX Racing instructions and vehicle service information for this exact part number. Verify fitment and included components before disassembly, use the specified tools and torque values, check all clearances and connections, and inspect the installation before operation. Professional installation is recommended.
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