Pro Design

Cool Head Dome

Pro Design Cool Head Dome

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Product Details
Interchangeable O-Ringed domes allow you to adjust compression for fuel quality, elevation, timing or performance.
- CNC-machined from billet aluminum.
- Substantial increases in cooling efficiency.
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# Part Numbers

Product Variant	Manufacturer Part #
19cc With Bore 64-66mm	PD305
20cc With Bore 64-66mm	PD306
21cc With Bore 64-66mm	PD307
22cc With Bore 64-66mm	PD308

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Cool Head Dome

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