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Tillotson 196 Non-Hemi 5.5mm Stock Valve Guides
Clone Non-Hemi 5.5 Valve Guides
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Tillotson 196 Non-Hemi 5.5mm Stock Valve Guides

Part Number: 138190069
Online Price: $3.99
5.5mm Valve Guides – Honda GX200 & Clone Engine Replacements
Availability: Out of Stock.

Description

5.5mm Stock Valve Guides – For Honda GX200 & Clone Engines

OEM-style 5.5mm valve guides for Honda GX200 and 196cc clone engines – perfect for stock replacements, upgrades, or conversions from 5mm guides.


These 5.5mm stock valve guides are the standard size used in Honda GX200 and most 196cc/212cc clone engines with non-hemi cylinder heads. They are a direct replacement for worn or damaged guides and can also be used to convert 5mm guide heads (like Predator 212 Non-Hemi or Tillotson 212R/225RS) to accept 5.5mm valve stems, which are commonly found in OEM-style builds.


Some compatibility with Hemi-style heads is possible, but due to casting and size variations, we strongly recommend measuring your existing valve guide dimensions before ordering.


Note: These valve guides require reaming to achieve proper valve-to-guide clearance after installation.


Key Features:

  • Standard Fit: Replaces OEM 5.5mm valve guides in Honda GX200 & clone engines
  • Dimensions:
    • Outside Diameter: 9.65mm
    • Inside Diameter: 5.15mm (before reaming)
    • Length: 27mm
  • Applications: Honda GX200, 196cc Clones, BSP, Ducar, Wildcat, and more
  • Use Cases: Stock replacement, 5mm-to-5.5mm conversion, performance or utility engine rebuilds
  • Durability: Made from high-strength material for extended wear and heat resistance


Valve-to-Guide Clearance Recommendations:

  • Intake Valve: 0.03–0.08 mm
  • Exhaust Valve: 0.05–0.11 mm

FAQ

Q1: What engines are these valve guides compatible with?

A: These 5.5mm valve guides are standard in:

  • Honda GX200
  • 196cc clone engines (e.g., BSP, Ducar, Wildcat)
    They may also be used to convert 5mm guide heads like the Predator 212 Non-Hemi or Tillotson 212R/225RS to 5.5mm valve stems.


Q2: Do I need to machine or ream these guides?

A: Yes. The guides must be reamed to final size after being pressed in to achieve proper valve-to-guide clearance.


Q3: Can I use these guides in a Hemi head?

A: Possibly. Some Hemi heads may accept them, but it is important to verify your cylinder head's guide bore diameter and depth before ordering.


Q4: What are the guide dimensions?

A:

  • Outside Diameter (OD): 9.65 mm
  • Inside Diameter (ID): 5.15 mm (before reaming)
  • Length: 27 mm


Q5: What is the correct valve-to-guide clearance?

A:

  • Intake Valve: 0.03–0.08 mm
  • Exhaust Valve: 0.05–0.11 mm
    This helps ensure smooth movement and long-term durability under heat and stress.

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