Engines and Components› Pistons and Piston Rings

S&S Cycle

S&S Cycle 07-17 BT 117in Low Compression 4-1/8in Big Bore Kit - Silver

$1,643.95

SKU: S0GE 910-0321

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Description

This kit includes S&S 4-1/8" bore cylinders, forged 10cc dished dome pistons, rings, wrist pins, and gaskets. Designed for 2007-'17 Big Twin stock crankcases (excluding 2017 touring models), it achieves 117" displacement with a stock 4-3/8" stroke. Features a wrinkle black powder coat finish. Requires crankcase boring. For Harley Twin Cooled heads, S&S part number 900-0609 is needed.

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Specifications

BrandS&S Cycle
Part NumberS0GE 910-0321

Videos

S&S Big Bore Kits and Cylinder Heads for Harley Review at RevZilla.com

S&S Big Bore Kits and Cylinder Heads for Harley Review at RevZilla.com

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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