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M8 x 35mm Exhaust Stud for Honda GX390 | Clone Big Block Engines
390-420-460 M8 x 35 Exhaust Stud
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M8 x 35mm Exhaust Stud for Honda GX390 | Clone Big Block Engines

Part Number: 188F-14002-A
Online Price: $1.99
M8 x 35mm Exhaust Stud for Honda GX390, Predator 420, Wildcat 460 | Clone Big Block Engines
Availability: In Stock.

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Description

M8 x 35mm Exhaust Stud for Honda GX390 / Clone Big Block Engines – Fits Predator 420, Wildcat 460 & More


Ensure a secure, high-temperature-resistant exhaust connection with this M8 x 35mm Exhaust Stud, specifically designed for Honda GX390 and clone big block engines. Whether you're maintaining a high-performance go-kart engine, a mini bike, or a utility machine, this hardened exhaust stud delivers the strength and reliability needed to withstand repeated heat cycles and engine vibrations.


Key Features:

  • Perfect Fit for GX390 & Clones: Designed to OEM specs for a precise fit in Honda GX390 engines and compatible clones like Predator 420, Wildcat 460, and other 13–18HP class engines.
  • High-Strength M8 x 1.25 Thread Pitch: Standard metric sizing makes this stud ideal for replacing stripped or damaged exhaust hardware without modification.
  • Durable Heat-Resistant Construction: Manufactured from heat-treated steel for superior resistance to thermal expansion and long-term durability under extreme exhaust temperatures.
  • Ideal for Performance Builds: A must-have for engine builders and kart racers who want a reliable seal between the cylinder head and exhaust flange—especially when running high-flow or aftermarket headers.
  • Easy Installation: Threaded on both ends for simple stud-to-head installation and secure exhaust manifold or header attachment with a locking nut.


?? Applications:

  • Honda GX390 13HP OHV engines
  • Predator 420cc engines
  • Wildcat 460 performance blocks
  • Most other big block clones
  • Used in go-karts, mini bikes, mud motors, generators, and more


Whether you’re building a competition kart engine or repairing a utility powerplant, this M8 x 35mm Exhaust Stud provides the strength and fitment your GX390 or big block clone needs to stay secure under pressure.

FAQ

Q1: What engines does this exhaust stud fit?
A1: It fits Honda GX390 and clone engines like the Predator 420, Wildcat 460, and other GX390-style big block motors in the 13–18HP range.


Q2: What are the dimensions and thread pitch?
A2: The stud is M8 x 1.25mm thread pitch, and 35mm in length, with threads on both ends to secure the cylinder head and exhaust flange.


Q3: Is this stud heat-resistant?
A3: Yes, it's made from heat-treated, high-strength steel to handle the extreme heat cycles and vibrations produced by small engine exhaust systems.


Q4: Can I use this stud with aftermarket headers?
A4: Absolutely. It’s commonly used with aftermarket exhaust headers and manifolds in performance applications like go-karts and mini bikes.


Q5: How do I install the exhaust stud?
A5: Thread one end into the cylinder head using a thread locker if desired. Then secure the exhaust flange or header using a washer and M8 locking nut on the exposed thread.

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