SKU: 11116-153195 | UPC: 4957266643006
HKS 87-92 Supra MK3 1.2mm Bead Headgasket
This HKS bead head gasket measures 1.2mm thick and delivers strong sealing for high-boost applications on 1987-1992 Toyota Supra MK3 models equipped with the 7M-GTE engine. It replaces stock gaskets with a design that handles extreme cylinder pressures while maintaining combustion stability. Ideal for turbocharged builds seeking dependable head-to-block sealing.
Key Features
- 1.2mm Thickness: Matches OEM specs for accurate compression ratios in 7M-GTE engines during high-boost setups.
- Bead Rolled Design: Raised stainless steel bead creates tight seal against combustion gases up to 40psi boost levels.
- Multi-Layer Steel Construction: Layers of SUS430 stainless and graphite resist heat over 1000°C and prevent blowouts.
- Precise Bore Fit: 86mm bore diameter ensures perfect alignment on Supra MK3 cylinder heads without distortion.
- Lightweight Build: Reduces reciprocating mass for quicker engine response in performance applications.
Product Notes
- Pair with ARP head studs for optimal clamping force during installation.
- Inspect head and block surfaces for flatness before use to ensure leak-free performance.
- Ships flat in protective packaging to prevent bending or damage.
Installation Notes
- Professional installation recommended.
- Torque head bolts to HKS specs in 3 stages with moly paste on threads.
- Compatible with factory head bolts if resurfaced but ARP studs preferred for boost over 20psi.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1987-1992 | Toyota | Supra | MK3 Turbo (7M-GTE) |
| 1986-1990 | Toyota | Supra | MK3 JDM (7M-GTE) |
Why Choose HKS?
- Decades of motorsport experience in Japanese tuning applications.
- Engineered in Japan for exact OEM replacement with performance gains.
- Tested on dynos for boost levels exceeding 30psi without failure.
Frequently Asked Questions
- Q: Will this fit 1987-1992 USDM Supra Turbo?
A: Yes it directly fits MA70 chassis 7M-GTE engines from 1987-1992 with no modifications needed. - Q: What materials are used in construction?
A: Features SUS430 stainless steel outer layers bead-rolled SUS304 inner bead and graphite core for heat and pressure resistance. - Q: What is the warranty and install requirements?
A: Covered by HKS manufacturer defect warranty. Requires machined head surfaces and proper torque sequence for best results.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Flat envelope 12in x 9in x 0.5in
- Weight: 0.5 lbs
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