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Stock Piston Wrist Pin for Honda GX390 / Clone Big Block
390-420-460 Big Block Wrist Pin
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Stock Piston Wrist Pin for Honda GX390 / Clone Big Block

Part Number: 34006-00015-00
Online Price: $7.99
Stock Piston Wrist Pin for Honda GX390, Predator 420 & Clone Big Block Engines
Availability: Out of Stock.

Description

Stock Piston Wrist Pin for Honda GX390 & Clone Big Block Engines – OEM-Spec Durability for 13HP–18HP Motors


Keep your engine running strong with this stock piston wrist pin, designed specifically for Honda GX390 and compatible clone big block engines. This hardened steel wrist pin connects the piston to the connecting rod, providing smooth, stable rotation under combustion pressure. Ideal for stock rebuilds or maintaining factory-spec performance, it's a must-have component for reliable engine operation.


Key Features:

  • OEM Specification: Matches the original dimensions and tolerances for the Honda GX390 piston assembly—ensuring proper fit and performance.
  • Compatible with Clone Big Blocks: Fits most GX390-style clone engines, including Predator 420, Wildcat 460,  and other 13HP–18HP platforms.
  • Hardened Steel Construction: Built to withstand the heat and pressure of repeated combustion cycles, with smooth surfaces for minimal friction and wear.
  • Critical for Engine Rebuilds: A direct replacement for worn or damaged wrist pins when replacing pistons or connecting rods.
  • Precision Fit: Designed to install easily into stock pistons and con rods without custom fitting or machine work.


Applications:

  • Honda GX390
  • Predator 420
  • Wildcat 460
  • Most similar GX390-style big block clones
  • Suitable for go-karts, mini bikes, generators, and utility equipment


Restore engine integrity and smooth piston motion with a high-quality stock piston wrist pin—built to meet or exceed OEM standards for GX390 and clone big block engines.

FAQ

Q1: What engines is this wrist pin compatible with?
A1: This wrist pin is designed for the Honda GX390 and compatible clone big block engines such as the Predator 420, Wildcat 460, and other GX390-style 420cc–460cc platforms.


Q2: What does a piston wrist pin do?
A2: The wrist pin connects the piston to the connecting rod, allowing the piston to pivot smoothly during engine operation. It is critical for maintaining proper piston motion and engine balance.


Q3: Is this a stock replacement or performance upgrade?
A3: This is a stock/OEM-style replacement, ideal for restoring factory performance and reliability during engine rebuilds or maintenance.


Q4: What material is the wrist pin made from?
A4: It is manufactured from hardened steel, engineered to handle the stresses of combustion and reduce wear over time.


Q5: Do I need special tools to install this wrist pin?
A5: Installation may require snap ring pliers and light lubrication, but no machining or custom fitting is needed when used with stock-spec pistons and connecting rods.

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