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M16x1.5 Flywheel Nut for Honda GX390 & Big Block Clone Engines
Clone 390-420-460 Flywheel Nut
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M16x1.5 Flywheel Nut for Honda GX390 & Big Block Clone Engines

Part Number: GBT6177-2000
Online Price: $1.99
Phone Order Price:$2.99
You Save:$1.00(33%)
M16x1.5 Flywheel Nut for Honda GX390, Predator 420 & Wildcat 460 Engines
Availability: In Stock.

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Description

M16x1.5 Flywheel Nut for Honda GX390 & Big Block Clone Engines (Predator 420, Wildcat 460)


Secure your flywheel with confidence using this high-strength M16x1.5 Flywheel Nut, specifically designed for the Honda GX390 and compatible big block clone engines, including the Predator 420 and Wildcat 460. Precision-machined for a tight fit, this flywheel nut ensures maximum thread engagement and safe, vibration-resistant operation.


Engineered for performance and durability, it’s the ideal replacement or upgrade for high-RPM or racing applications. For proper installation, torque to 115 Nm (11.5 kg·m, 83 ft·lb).


Key Features:

  • Thread Size: M16x1.5
  • Fits Honda GX390, Predator 420, Wildcat 460, and most big block clones
  • Ensures secure flywheel attachment and vibration resistance
  • Ideal for stock and performance engine builds
  • Torque Spec: 115 Nm (11.5 kg·m, 83 ft·lb)

Keep your flywheel firmly in place with this durable, OEM-spec M16x1.5 flywheel nut—built to handle the demands of high-performance engines.

FAQ

Q1: What engines is this M16x1.5 flywheel nut compatible with?
A: This nut is compatible with Honda GX390, Predator 420, Wildcat 460, and most big block clone engines using an M16x1.5 crankshaft thread.


Q2: What torque should this flywheel nut be tightened to?
A: Torque the nut to 115 Nm (11.5 kg·m or 83 ft·lb) for proper flywheel retention and engine safety.


Q3: Is this flywheel nut suitable for high-RPM engines?
A: Yes, it’s ideal for both stock and performance builds, providing secure fastening under high RPM and vibration.


Q4: Is threadlocker required when installing this nut?
A: While not required, using a medium-strength threadlocker is often recommended for added security in performance applications.


Q5: Is this an OEM or aftermarket part?
A: This is an aftermarket part made to match OEM specifications for thread, fit, and function.

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