HKS 2301-RT042 1.6mm Stopper Head Gasket for 1993-1998 Toyota Supra 2JZ-GTE

Vehicle Fitment

• 1993-1998 Toyota Supra (MK4), 3.0L I6 2JZ-GTE (turbocharged)

Features

• Stopper-type multi-layer steel (MLS) head gasket for high-pressure sealing
• Designed to resist warpage under elevated heat and boost pressures
• Special fluorine rubber coating improves sealing and corrosion resistance
• Precision bore alignment for 88 mm 2JZ-GTE cylinders
• 1.6 mm thickness adjusts dynamic compression for tuned engines
• Thicker gasket option for higher boost and performance builds
• Highly durable construction for racing and street-tuned applications
• Compatible with standard and some oversized bore configurations

Specifications

• Part Number: 2301-RT042
• Gasket Type: Stopper-type multi-layer steel (MLS)
• Thickness: 1.6 mm (0.063")
• Bore Diameter: 88 mm
• Compression Ratio Reference: ~8.21:1
• Engine Compatibility: Toyota 2JZ-GTE turbocharged I6
• Fitment Years: 1993-1998 Toyota Supra
• Primary Application: High-performance turbo engines requiring robust sealing

Included Components

• 1x Head Gasket (Stopper-Type, 1.6 mm)

Product Description

The HKS 2301-RT042 head gasket is a high-performance, stopper-type multi-layer steel (MLS) gasket engineered specifically for Toyota Supra MK4 models equipped with the 2JZ-GTE turbocharged engine from 1993 through 1998. Designed to provide superior combustion sealing under demanding high-boost and high-stress conditions, this gasket is ideal for enthusiasts and tuners pushing their engines beyond stock limits. HKS's advanced stopper design and fluorine rubber coating work together to resist leaks, warpage, and heat-induced distortion that can plague OEM gaskets.

With a thickness of 1.6 mm and an 88 mm bore diameter, the 2301-RT042 helps maintain optimal compression and durability for performance and racing applications. Whether you're building a high-horsepower street car or a track-focused turbo setup, this head gasket offers enhanced reliability where standard components often fall short. Its robust construction and precise fitment make it a trusted choice for serious Toyota Supra builds.