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  6. .010" Thin Bare Metal Head Gasket for Honda GX200/Clone 196cc Box Stock Engines
.010
138190023C Tillotson Clone Metal Head Gasket Silver (.010" Thick) Tillotson Clone Metal Head Gasket Silver (.010" Thick)
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.010" Thin Bare Metal Head Gasket for Honda GX200/Clone 196cc Box Stock Engines

Part Number: 138190023C
Online Price: $4.99
.010" Thin Metal 68mm Bore Head Gasket(Non-Coated) – GX200 & 196cc Clone Engines
Availability: In Stock.

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Description

.010” Thin Bare Metal Head Gasket – 196cc GX200/Clone Engines (68mm Bore)


Upgrade your engine’s performance with this .010” thin, bare metal head gasket, designed for racers and builders looking to boost compression without violating tech rules. This uncoated steel gasket is ideal for AKRA and NKA box stock classes where gasket thickness is a non-tech item.


Product Highlights:

  • Thin for More Compression:
    At only .010” ± .001" thick, this gasket increases static compression—great for enhancing throttle response, torque, and combustion speed in both stock and builder-prepared engines.
  • Reliable Bare-Metal Seal:
    Constructed from high-quality stamped steel with no coating, this gasket provides a clean metal-to-metal seal when properly prepped, making it a solid choice for racers who lap their blocks and heads.
  • Standard Clone Engine Fitment:
    Designed to fit engines with a 68mm bore, including oversizes up to +0.75mm. Not compatible with 70mm or larger bore engines like Predator 212, Ghost 212, or Wildcat 223/224.


Specifications:

  • Material: Bare (uncoated) Steel
  • Thickness: .010" ± .001"
  • Maximum Bore: 68.9mm ± 0.05mm
  • Coating: None (bare metal)


Engine Compatibility:

Fits all standard 196cc GX200-style clone engines, including:

  • Honda GX200 / Clone (196cc)
  • Tillotson 196R / 196RS
  • Ducar 196
  • Box Stock Project 196
  • Speed Kart 196
  • Most other 68mm non-Hemi clone engines

Not compatible with 70mm+ bore engines (e.g., Predator 212, 223, 224, Ghost 212)


Racing Rule Compliance:

AKRA 2020 Rules for Head Gasket

Head Gasket/s maybe aftermarket, must be of stock configuration, gasket thickness is non-tech item, sealer allowed to insure proper seal. 


NKA 2020 Rules for Head Gasket

40.4.19.4: Minimum Combustion Chamber Volume

Minimum combustion chamber volume when mounted on engine @ TDC is 26.5cc. This is to be done after the event and when the engine has cooled down to a reasonable temperature. The Head gasket required, but thickness is non-tech and can be either steel or aluminum. Multiple head gaskets are allowed.


Pro Tip for Builders:

Pair this thin head gasket with a decked block and flat-milled cylinder head to maximize compression and improve flame travel. Always ensure surfaces are clean and flat to achieve a proper seal with a bare-metal gasket.


FAQ

Q: Will this head gasket fit my Predator 212 or Ghost 212 engine?
A: No. This gasket is designed for 68mm bore engines like the Honda GX200 and 196cc clones. Predator 212 and Ghost 212 engines use a larger 70mm bore and require a different gasket.


Q: Does this head gasket increase compression?
A: Yes. The .010" thickness reduces combustion chamber volume, resulting in increased compression—ideal for improved throttle response and torque.


Q: Is this gasket legal for AKRA or NKA box stock kart racing?
A: Yes. Both AKRA and NKA allow aftermarket gaskets of stock configuration. Gasket thickness is considered a non-tech item under both rulesets.


Q: Does this gasket require any special prep before installation?
A: We recommend cleaning and flattening the cylinder head and block deck surfaces before installation. Lapping or resurfacing helps achieve a proper bare-metal seal.


Q: Can I stack this gasket with others?
A: Yes. According to NKA rules, multiple head gaskets are allowed as long as the minimum combustion chamber volume of 26.5cc is met.

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