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HKS 1.6mm HGK Engine Overhaul RB26 Stopper Head Gasket Kit

HKS
HKS23009-AN012
4957266643303
Head Gaskets
3 Units In Stock - Ships Next Business Day
$ 730.00
FREE Ground Shipping!
$ 730.00

SKU: 23009-AN012   |   UPC: 4957266643303

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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