High-Compression 11:1 Piston Kit for Royal Enfield® 650 Twins

Item #: 920-0143

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$499.95

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These high compression pistons feature a 7cc raised dome to achieve a compression ratio of 11:1 (from 9.5:1). Higher compression is a key factor in increasing performance.

	Stock	S&S 650 HC Kit
Bore X Stroke	78 x 67.8mm	78 x 67.mm
Compression Ratio	9.5:1	11.0:1

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Disclaimer	FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY.