Boost Logic Fire Ring Headgasket Kit for R35 Nissan GT-R
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Boost Logic Fire Ring Headgasket Kit for R35 Nissan GT-R
Boost Logic’s Fire Ring Headgasket Kit for R35 Nissan GT-R is a head sealing kit for VR38DETT engines running high boost, built around 96mm fire rings that hold combustion pressure inside each cylinder. Boost Logic specifies a .040-inch gasket thickness and sells the kit in copper or composite, in the standard 96mm size or an optional 98mm size for engines with a larger bore. It is an engine-build part for turbo upgrades and big boost, where head gasket failure is a known risk; a GT-R left at factory boost was not what Boost Logic designed it around.
Features
- 96mm fire rings seal combustion gases inside each cylinder
- .040-inch gasket thickness specified by Boost Logic for high boost use
- Choice of copper or composite gasket material
- Standard 96mm bore size or optional 98mm bore size
- Custom fire ring sizes available on request
Applications
- Nissan GT-R: R35 | 2009-2024 | 3.8L VR38DETT V6
Notes
- Choose bore size and gasket material at checkout; all four combinations are the same price
- Boost Logic describes a composite gasket design in its product text and also sells a copper version; this listing follows the four options Boost Logic offers
- Custom fire ring sizes are available on request, so ask Bulletproof Automotive before ordering a non-standard bore
- The Headgasket Kit for R35 is fitted with the cylinder heads removed and is normally installed as part of an engine build
- Head studs are not listed as included; the kit is pictured as two head gaskets and six fire rings
- Owners refreshing the heads at the same time can pair the kit with the Boost Logic Stage 1 Head Package for R35 Nissan GT-R (02010715)
Frequently Asked Questions
- Which bore size should I choose for the Boost Logic Headgasket Kit for R35? Choose 96mm for a standard bore VR38DETT and 98mm only when the block has been taken out to a larger bore. The Headgasket Kit for R35 uses 96mm as its standard size, and Boost Logic can supply custom sizes. Confirm the finished bore with the engine builder before ordering so the fire ring matches the cylinder.
- Should I choose copper or composite? Boost Logic offers both materials at the same price and does not publish a comparison between them. Its product text describes a composite gasket built for the pressures and temperatures of turbocharging, with copper offered as the alternative. The choice is best made with the engine builder who will assemble and torque the engine.
- What does the fire ring do? The fire ring is a metal ring around each combustion chamber opening that seals the gases inside the cylinder. Boost Logic uses 96mm fire rings in this kit to keep compression consistent and stop combustion gases escaping past the gasket under high boost, which is the condition this kit was designed to survive.
- How thick is the gasket? Boost Logic lists a thickness of .040 inch for the gasket in this kit. Gasket thickness affects the compression ratio and the clearance between piston and head, so the engine builder should include it in the build calculations, especially when the kit is combined with aftermarket pistons, milled heads or a resurfaced block.
- Is this kit only for heavily modified engines? It is intended for turbocharged VR38DETT engines running high boost, which is the use Boost Logic designed it for. A stock engine can take it during a rebuild, but the kit is aimed at owners raising boost or upgrading turbos who want more sealing margin. It fits the 2009 and later Nissan R35 GT-R.
About Boost Logic
Boost Logic was founded in Austin, Texas in 2003 and made its name with Toyota Supra turbo kits, setting street car records at 6speed record days and the Texas Mile that stood long after the company stopped racing Supras competitively. It designs turbo systems, titanium exhausts, intercoolers and engine components for the Toyota Supra, Porsche 911 Turbo, Nissan GT-R, Ferrari and Lamborghini, and its R35 GT-R builds have trapped over 180 mph in the quarter mile and over 200 mph in the half mile.
| Choose Bore Size | 96mm Standard, 98mm |
|---|---|
| Choose Gasket Material | Copper, Composite |
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We want you to feel confident before making your purchase. Here are a few important details to help you better understand this product and how it fits into your space.
- Please review the product dimensions carefully to ensure the right fit for your space
- Color may vary slightly due to lighting and screen settings
- Materials and finishes are selected for both durability and visual appeal
- Some items may require simple assembly upon delivery
- Perfect for both everyday use and long-term comfort
If you have any questions about this product, feel free to reach out to our support team. We're here to help you make the right choice.
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Product Size Guide
Please refer to the general size reference below to better understand how this product may fit into your space. Dimensions may vary slightly depending on the design and materials.
| Category | Small | Medium | Large |
|---|---|---|---|
| Decor & Accessories | Up to 10″ | 10″ – 20″ | 20″+ |
| Tables | Up to 30″ | 30″ – 60″ | 60″+ |
| Seating | 1 Seater | 2–3 Seater | 4+ Seater |
| Storage Units | Compact | Standard | Large Capacity |
| Lighting | Small Fixture | Standard Fixture | Large Fixture |
Note: For exact product dimensions, please refer to the specifications section above. This guide is intended as a general reference only.
Boost Logic Fire Ring Headgasket Kit for R35 Nissan GT-R
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