Cometic Nissan RB26 .030in MLS Exhaust Manifold Gasket 1.665in x 1.420in Port — Fits 89-02 RB26DETT

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SKU: CGSC4202-030
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Ultimate Sealing for Nissan RB26 Engines

The legendary Nissan RB26DETT requires the highest quality components to maintain peak performance. The Cometic Multi-Layer Steel (MLS) exhaust manifold gasket is designed specifically for this high-revving, turbocharged powerhouse. With a precision-cut port size of 1.665 inches by 1.420 inches and a thickness of .030 inches, this gasket provides an airtight seal that stands up to the intense heat and exhaust pressure generated by the RB26.

Key Benefits for RB26 Builds

  • Multi-Layer Steel Construction: Resists blowout and burn-through under high boost
  • Precision Fit: Tailored for RB26 exhaust port dimensions
  • No Sealant Required: Ensures a clean, professional installation
  • Thermal Stability: Handles rapid temperature fluctuations without losing torque
  • Durability: Designed for extreme racing conditions and daily driven performance

Cometic MLS gaskets are the preferred choice for engine builders worldwide. By utilizing advanced steel layering technology, these gaskets effectively manage the thermal expansion between the cylinder head and the exhaust manifold. This prevents leaks that can cause turbo lag, loss of backpressure, and potential engine damage. Whether you are building a street-tuned GT-R or a dedicated track machine, the Cometic MLS gasket ensures your exhaust system remains sealed and efficient. Invest in the longevity of your engine with premium gaskets from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Ultimate Sealing for Nissan RB26 Engines

The legendary Nissan RB26DETT requires the highest quality components to maintain peak performance. The Cometic Multi-Layer Steel (MLS) exhaust manifold gasket is designed specifically for this high-revving, turbocharged powerhouse. With a precision-cut port size of 1.665 inches by 1.420 inches and a thickness of .030 inches, this gasket provides an airtight seal that stands up to the intense heat and exhaust pressure generated by the RB26.

Key Benefits for RB26 Builds

  • Multi-Layer Steel Construction: Resists blowout and burn-through under high boost
  • Precision Fit: Tailored for RB26 exhaust port dimensions
  • No Sealant Required: Ensures a clean, professional installation
  • Thermal Stability: Handles rapid temperature fluctuations without losing torque
  • Durability: Designed for extreme racing conditions and daily driven performance

Cometic MLS gaskets are the preferred choice for engine builders worldwide. By utilizing advanced steel layering technology, these gaskets effectively manage the thermal expansion between the cylinder head and the exhaust manifold. This prevents leaks that can cause turbo lag, loss of backpressure, and potential engine damage. Whether you are building a street-tuned GT-R or a dedicated track machine, the Cometic MLS gasket ensures your exhaust system remains sealed and efficient. Invest in the longevity of your engine with premium gaskets from GGCRACING.

Product Details

Product Description

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Ultimate Sealing for Nissan RB26 Engines

The legendary Nissan RB26DETT requires the highest quality components to maintain peak performance. The Cometic Multi-Layer Steel (MLS) exhaust manifold gasket is designed specifically for this high-revving, turbocharged powerhouse. With a precision-cut port size of 1.665 inches by 1.420 inches and a thickness of .030 inches, this gasket provides an airtight seal that stands up to the intense heat and exhaust pressure generated by the RB26.

Key Benefits for RB26 Builds

  • Multi-Layer Steel Construction: Resists blowout and burn-through under high boost
  • Precision Fit: Tailored for RB26 exhaust port dimensions
  • No Sealant Required: Ensures a clean, professional installation
  • Thermal Stability: Handles rapid temperature fluctuations without losing torque
  • Durability: Designed for extreme racing conditions and daily driven performance

Cometic MLS gaskets are the preferred choice for engine builders worldwide. By utilizing advanced steel layering technology, these gaskets effectively manage the thermal expansion between the cylinder head and the exhaust manifold. This prevents leaks that can cause turbo lag, loss of backpressure, and potential engine damage. Whether you are building a street-tuned GT-R or a dedicated track machine, the Cometic MLS gasket ensures your exhaust system remains sealed and efficient. Invest in the longevity of your engine with premium gaskets from GGCRACING.

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