HKS 1.6mm HGK Engine Overhaul Stopper Head Gasket Kit RB26DETT
The HKS 23009-AN012 1.6mm HGK (Hyper Gasket Kit) Stopper Head Gasket Kit is the best high-performance head gasket solution for RB26DETT owners building high-boost, high-horsepower engines. Featuring HKS's proprietary stopper layer design with 1.6mm thickness, this kit provides exceptional sealing under extreme cylinder pressures while maintaining precise compression ratios ideal for big-turbo, drag, circuit, or street RB26 builds pushing 800+ HP with reliability and peace of mind. Complete overhaul kit includes multi-layer steel gasket, upgraded head bolts, and necessary seals for a professional engine rebuild.
Key Features
- 1.6mm Stopper Type Design: Raised stopper layer around combustion chambers for superior sealing and blow-out resistance
- Multi-Layer Steel (MLS) Construction: 3-layer design with embossed stainless steel for maximum durability under high boost
- Precise Thickness Control: 1.6mm maintains stock compression or slight increase perfect for tuned RB26 setups
- Overhaul Kit: Includes head gasket, head studs/bolts, valve stem seals, and other critical gaskets/seals
- High-Boost Capability: Engineered for 2.0+ bar applications proven in HKS race and record-setting RB26 engines
- HKS Quality: Japanese precision engineering trusted in motorsport and JDM tuning for decades
Specifications
| Specification | Detail |
|---|---|
| Part Number | 23009-AN012 |
| Engine | Nissan RB26DETT |
| Gasket Thickness | 1.6mm |
| Type | Stopper Head Gasket (MLS) |
| Compression Ratio | Stock or Slight Increase (Application-Specific) |
| Kit Contents | Head Gasket, Head Bolts/Studs, Valve Stem Seals, Other Gaskets/Seals |
| Compatibility | Nissan Skyline GT-R BNR32/BCNR33/BNR34 RB26DETT Engines |
| Installation | Engine Overhaul – Requires Professional Machine Work |
| Country of Origin | Japan |
| Warranty | Limited (HKS) |
| Shipping Weight | Approx. 5-8 lbs |
Product Notes
- Complete HGK overhaul kit – 1.6mm stopper gasket for high-boost RB26 reliability
- Proven in HKS record-setting and race engines excellent sealing under extreme cylinder pressure
- Requires engine disassembly professional machine shop and torque specs essential
Installation Notes
- Estimated time: 20-40 hours (full engine overhaul), advanced difficulty, professional engine builder required
- Surface head/block, check clearances, install with ARP studs (if included/upgraded), torque in sequence
- Professional build mandatory verify deck height, piston protrusion, and proper sealing
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 1989-1994 | Nissan | Skyline GT-R (BNR32) | RB26DETT Engine |
| 1995-1998 | Nissan | Skyline GT-R (BCNR33) | RB26DETT Engine |
| 1999-2002 | Nissan | Skyline GT-R (BNR34) | RB26DETT Engine |
| Various | Nissan | RB26DETT Swaps | Custom High-Boost Builds |
Why Choose HKS 1.6mm HGK Stopper Head Gasket Kit?
- Stopper layer design provides superior sealing and blow-out resistance under high cylinder pressure
- Complete overhaul kit with upgraded bolts/seals perfect for big-turbo or high-HP RB26 rebuilds
- Limited warranty legendary JDM performance component from HKS for RB26 enthusiasts
Frequently Asked Questions
-
Q: Will this kit fit my BNR34 RB26DETT?
A: Yes, HKS 23009-AN012 is designed for all RB26DETT engines (BNR32/BCNR33/BNR34). -
Q: Does it increase compression?
A: 1.6mm thickness maintains near-stock compression slight increase possible depending on deck/piston. -
Q: Are head studs included?
A: Yes, upgraded head bolts/studs included for proper clamping force under boost. -
Q: What is the warranty?
A: Covered by HKS limited warranty trusted in high-performance RB26 builds.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure protective packaging
- Weight: Approx. 5-8 lbs
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