Seller notes

Fits 47mm piston engines with 8mm studs.High Compression 5.1cc ChamberLarge Copper Squish Band to prevent detonationDual B7HS spark plugsCompression ReleaseNow that I am starting to settle into my new Houston, TX location, I am starting to liquidate items from my large stash of special Motorized Bicycle parts. Many of these parts I will be selling are not to be compared to the cheap Chinese copies of my work. CR Machine only makes high quality parts, and the stuff I sell is good stuff. I only se...

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