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SKU: SKU: SSC920-0143

S&S Cycle Royal Enfield 650 Twin High-Compression 11 To 1 Piston Kit - 920-0143

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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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