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920-0100 - S&S Cycle Big Bore Piston Kit For Harley Davidson FLD 1690 2012-2013 3.937"

£637.51

Features: Pistons are compatible with stock rods with tapered wristpin ends. Stock cylinders may be bored to accommodate larger piston. Bore cylinders to nominal diameter +/- 0.0005" for correct clearance. Works with 4-3/8" stroke flywheels to convert 96" or 103" to 107" displacement with 10.4:1 compression with stock heads. Deck height is 1.085"..

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