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Stock Exhaust Gasket for Honda GX390, Predator 420 & Clone Big Block Engines
390-420-460 Exhaust Gasket
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Stock Exhaust Gasket for Honda GX390, Predator 420 & Clone Big Block Engines

Part Number: 188F-13301-A
Online Price: $1.25
Stock Exhaust Gasket for Honda GX390, Predator 420 & Clone Big Block Engines
Availability: In Stock.

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Description

Stock Exhaust Gasket for Honda GX390 & Clone Big Block Engines – Reliable Seal for 13HP to 18HP Motors


Maintain a perfect seal and prevent exhaust leaks with this stock exhaust gasket, designed specifically for Honda GX390 and clone big block engines. Whether you’re performing routine maintenance or rebuilding your engine, this gasket ensures a tight, durable seal between the exhaust manifold and the cylinder head, helping optimize engine performance and reduce noise.


Key Features:

  • OEM-Style Fit: Precision-engineered to match the stock exhaust port dimensions of Honda GX390 and popular clone big block engines such as Predator 420, Wildcat 460, and similar 13HP–18HP engines.
  • High-Temperature Resistant: Made from durable, heat-resistant materials to withstand the extreme temperatures and pressures produced by the exhaust system.
  • Prevents Exhaust Leaks: Provides an airtight seal that stops harmful exhaust gases from escaping, improving engine efficiency and reducing noise.
  • Easy to Install: Fits directly between the cylinder head and exhaust manifold—no modifications necessary.
  • Compatible with Clones: Works perfectly with a wide range of GX390-style big block clones used in go-karts, mini bikes, generators, and utility engines.


Applications:

  • Honda GX390
  • Predator 420
  • Wildcat 460
  • Most similar big block GX390 clones
  • Small engine projects, go-karts, mini bikes, generators, and more


Keep your engine running clean and quiet—replace your old or damaged exhaust gasket with this reliable stock exhaust gasket for GX390 and clone big block engines.

FAQ

Q1: What engines does this exhaust gasket fit?
A1: This gasket fits Honda GX390 and big block clone engines including Predator 420, Wildcat 460, and other GX390-style 13HP–18HP engines.


Q2: What material is this exhaust gasket made from?
A2: It is made from heat-resistant composite material designed to handle high exhaust temperatures and prevent leaks.


Q3: How do I know when to replace the exhaust gasket?
A3: Signs include visible exhaust leaks, increased engine noise, or poor engine performance. Regular maintenance and rebuilds often require gasket replacement to maintain a proper seal.


Q4: Is this gasket a direct OEM replacement?
A4: Yes, it’s designed to match the stock dimensions and fit perfectly between the exhaust manifold and cylinder head.


Q5: Can I use this gasket on performance exhaust systems?
A5: Yes, it works well for both stock and many aftermarket exhaust setups designed for GX390 and clone big block engines.

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