SKU: C14021-042 | UPC: 191070576257
Cometic Honda K20C1/K20C4 .042in HP Cylinder Head Gasket - 88mm Bore Fits 2017-2021 Civic Type R Accord RDX
Upgrade your Honda K20C1 or K20C4 engine with the Cometic .042in HP Cylinder Head Gasket featuring an 88mm bore. This multi-layer steel gasket delivers reliable sealing for high-performance turbocharged applications in 2017-2020 Honda Civic Type R, 2018-2020 Honda Accord 2.0T models, and 2019-2021 Acura RDX. It handles elevated pressures and temperatures common in boosted builds while maintaining precise combustion chamber integrity.
Key Features
- Multi-Layer Steel Construction: Three stainless steel layers with a flexible expanded metal core resist high cylinder pressures and prevent blowout in performance engines.
- .042in Thickness: Provides ideal compressed volume for high-performance setups with increased bearing clearances and boosted power levels.
- 88mm Bore Diameter: Matches K20C1/K20C4 cylinder dimensions for perfect alignment and sealing in turbocharged 2.0L engines.
- High-Pressure Combustion Seal: Pre-flattened fire ring ensures gas-tight seal under extreme boost and heat cycles.
- Precision Manufacturing: Laser-cut layers and pressure-bonded assembly deliver consistent fit and durability for racing or street use.
Product Notes
- Verify engine code K20C1 or K20C4 prior to installation.
- Clean mating surfaces thoroughly for optimal sealing performance.
- Packaged flat in protective envelope for damage-free delivery.
Installation Notes
- Professional installation recommended.
- Torque head bolts to Honda factory specifications in sequence.
- Requires MLS-compatible head and block surfaces. no resurfacing needed if flat within spec.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2020 | Honda | Civic | Sport |
| 2017-2020 | Honda | Civic | Type R |
| 2019-2021 | Acura | RDX | Base |
| 2021 | Acura | RDX | PMC Edition |
| 2019-2021 | Acura | RDX | SH-AWD |
| 2018-2020 | Honda | Accord | EX-L |
| 2018-2020 | Honda | Accord | Sport |
| 2018-2020 | Honda | Accord | Touring |
| 2017-2018 | Honda | Civic | EX |
| 2017-2020 | Honda | Civic | LX |
| 2017-2018 | Honda | Civic | LX-P |
Why Choose Cometic?
- Trusted by professional race teams for decades in high-stakes competition.
- MLS gaskets built to endure extreme heat and pressure in turbo applications.
- Every gasket features exact OEM bore sizing with performance enhancements.
Frequently Asked Questions
-
Q: Does this gasket fit 2017-2020 Honda Civic Type R K20C1 engines?
A: Yes, it is specifically designed for K20C1 and K20C4 engines with 88mm bore including Civic Type R models. -
Q: What material is used in this head gasket?
A: Multi-layer steel with three 301 stainless steel layers and a flexible core for superior durability under boost. -
Q: What is the warranty on Cometic gaskets?
A: Backed by Cometic's limited warranty covering manufacturing defects when installed correctly.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective flat envelope 12in x 9in x 0.5in
- Weight: 0.4 lbs
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