S&S Cycle
S&S Cycle 86-21 Sportster Models High Compression 1250cc Conversion Kit - Silver
SKU: S0GE 910-0690
Description
Part #: 910-0690
This kit converts 1986-'21 883cc and 1200cc HD Sportster models to 1250cc displacement. No machining or rebalancing is required. Kit contains forged 5cc pop-up 3-9/16" bore pistons with coated piston skirts, S&S 3-9/16" bore cylinders, MLS head gaskets, base gaskets, exhaust gaskets, assembly lube, and instructions. 883 cylinder heads may not be used with this kit. For the best performance CNC head porting, performance cams, exhaust and intake upgrades are recommended.
Silver, 5.5cc Dome, 11.2:1
Fitment
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Specifications
| Brand | S&S Cycle |
| Part Number | S0GE 910-0690 |
Videos
How to Install: S&S Cycle 1200 Conversion Kit for XL models
S&S Cycle - No Guts To Glory - H-D® Sportster® 883 Upgrade #4
S&S Big Bore Kits and Cylinder Heads for Harley Review at RevZilla.com
How to Install: S&S Cycle Winter Power Pack (Part 1) Big Bore Kit
How To Install S&S Cycles 1200cc Hooligan kit 883cc Harley-Davidson Sportsters Part 1 - Disassembly
How To Install S&S Cycles 1200cc Hooligan kit 883cc Harley-Davidson Sportsters - Part 2 - Assembly
S&S Cycle - No Guts To Glory- H-D® Sportster® - 883 Upgrade #2
How To Install S&S Cycles 1200cc Hooligan kit 883cc Harley-Davidson Sportsters - Part 3 - Assembly
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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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