Cometic Honda K-Series .030 MLS Exhaust Gasket — Fits 2002-2006 Acura RSX & Honda Civic Si

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SKU: CGSC4160-030

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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

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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.

Watch in action

Precision Sealing for Honda K-Series Exhausts

Stop exhaust leaks in their tracks with the Cometic .030" MLS Exhaust Manifold Gasket. Specifically designed for the Honda K20A1/A3 engines found in the Acura RSX and Honda Civic Si, this gasket is built to withstand extreme cylinder pressures and thermal cycling.

Why Choose Cometic MLS Exhaust Gaskets?

  • Extreme Pressure Resistance: Designed to maintain a consistent torque set even under high-boost or high-RPM conditions.
  • Multi-Layer Steel (MLS): Features high-grade stainless steel layers that resist burn-through and blowout.
  • Corrosion Resistant: Built to endure the harsh conditions of the exhaust stream, ensuring a long-lasting seal.
  • Perfect Fitment: Port dimensions of 1.820" x 1.540" provide an optimal seal for factory and aftermarket manifolds.
  • No Sealant Needed: Engineered for a clean, dry installation that won't fail under heat.

Don't let a leaking exhaust manifold sap your engine's power or cause sensor errors. This Cometic gasket provides a reliable, professional-grade seal that keeps your K-Series engine performing at its peak. Whether you are replacing a worn factory gasket or installing a new header, this is the superior choice for your build. Find more essential engine components at GGCRACING.

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.

Watch in action

Precision Sealing for Honda K-Series Exhausts

Stop exhaust leaks in their tracks with the Cometic .030" MLS Exhaust Manifold Gasket. Specifically designed for the Honda K20A1/A3 engines found in the Acura RSX and Honda Civic Si, this gasket is built to withstand extreme cylinder pressures and thermal cycling.

Why Choose Cometic MLS Exhaust Gaskets?

  • Extreme Pressure Resistance: Designed to maintain a consistent torque set even under high-boost or high-RPM conditions.
  • Multi-Layer Steel (MLS): Features high-grade stainless steel layers that resist burn-through and blowout.
  • Corrosion Resistant: Built to endure the harsh conditions of the exhaust stream, ensuring a long-lasting seal.
  • Perfect Fitment: Port dimensions of 1.820" x 1.540" provide an optimal seal for factory and aftermarket manifolds.
  • No Sealant Needed: Engineered for a clean, dry installation that won't fail under heat.

Don't let a leaking exhaust manifold sap your engine's power or cause sensor errors. This Cometic gasket provides a reliable, professional-grade seal that keeps your K-Series engine performing at its peak. Whether you are replacing a worn factory gasket or installing a new header, this is the superior choice for your build. Find more essential engine components at GGCRACING.

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