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

Part Number: 30150-0023-00
Online Price: $1.99
Stock Piston Pin Clip for Honda GX390, Predator 420 & Clone Big Block Engines
Availability: In Stock.

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Description

Stock Piston Pin Clip for Honda GX390 & Clone Big Block Engines – Secure Wrist Pin Retention for 13HP–18HP Motors


Keep your piston and wrist pin securely in place with this stock piston pin clip, designed to fit Honda GX390 and compatible clone big block engines. These precision-formed circlips are essential for preventing wrist pin movement, protecting your cylinder walls, and maintaining internal engine reliability.


Key Features:

  • OEM-Spec Fitment: Designed to fit standard piston grooves for the Honda GX390 and GX390-style clones—ensures secure retention without modification.
  • Compatible with Clone Big Block Engines: Fits most 420cc–460cc GX390-based engines including Predator 420, Wildcat 460, and other 390-460cc big block engines.
  • Heat-Treated Spring Steel: Built from high-tensile, corrosion-resistant steel for long-lasting hold even under high-RPM engine stress.
  • Critical for Engine Rebuilds: Prevents piston wrist pin from drifting or damaging cylinder walls—must-have for new piston installations or rebuilds.
  • Sold in Pairs: Typically used in pairs (one per side of piston wrist pin); order accordingly for your rebuild needs.


Applications:

  • Honda GX390
  • Predator 420
  • Wildcat 460
  • Most other GX390-style big block clones
  • Used in kart engines, mini bikes, generators, and small utility engines


Secure your engine’s internals with a dependable stock piston pin clip—essential for safe, long-term engine performance in GX390 and big block clones.


FAQ

Q1: What does a piston pin clip do?
A1: A piston pin clip (also called a circlip or wrist pin retainer) secures the wrist pin inside the piston, preventing it from drifting and damaging the cylinder wall during engine operation.


Q2: What engines is this clip compatible with?
A2: This clip fits Honda GX390 and most clone big block engines, including Predator 420Wildcat 460, and other 420cc–460cc GX390-style engines.


Q3: Do I need one or two clips per piston?
A3: Each piston typically uses two clips, one on each side of the wrist pin. Each order comes with one set.


Q4: Is this clip reusable?
A4: It's recommended to replace the clip during any engine rebuild or piston replacement. Reusing clips may increase the risk of failure or improper seating.


Q5: Is this a stock or performance part?
A5: This is a stock-style OEM replacement—perfect for both standard rebuilds and mild performance applications where factory-style retention is required.

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