Kyosho 74031-02 Under Head KE21SP Service Part  [KY-74031-02]

Kyosho 74031-02 - Under Head (KE21SP)
Price:
NZD$24.41
Brand:
Kyosho
Model:
KY-74031-02
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $19.77 each $9.27 or 19%
3+ $18.78 each $16.87 or 23%
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Kyosho 74031-02 Under Head Overview

The Kyosho 74031-02 Under Head is a purpose-built spare for the KE21SP that helps keep temperatures in check and supports consistent engine output. Its form factor is tuned to the KE21SP's cooling needs.

Where It Fits

This under head installs directly to the KE21SP engine, making it an easy replacement for hobbyists who need to restore correct cooling performance and alignment.

Assembly Notes

Fit the Kyosho 74031-02 Under Head only when the engine is cold and free from dirt. Ensuring the head is seated evenly will promote better heat transfer and longer service life.
Remark :
Due to limited stock availability, please notice that some Kyosho items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

Can I use this under head on a tuned KE21SP?

Yes. The Kyosho 74031-02 is compatible with KE21SP engines whether stock or mildly tuned, but always verify clearances after modifications.

How should I clean the part before fitting?

Wipe it with a lint-free cloth and mild solvent if needed, making sure no particles remain that could affect sealing or contact surfaces.

Does this improve cooling over a worn head?

Replacing a damaged or warped under head with the Kyosho 74031-02 can restore original cooling efficiency and stability in engine performance.

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