
Motor Vehicle Engine Parts
S&S Cycle 1250 Cc Conversion Kit
Brand: S&S CYCLE
SKU: P1371410280845
$1,008.95
$861.67
Taxes and shipping calculated at checkout.
1250 Cc Conversion Kit
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Product Details
Highlights
- Converts '86-'21 883 cc and 1200 cc Sportster models to 1250 cc displacement.
- Forged pistons have larger than stock valve pockets and accepts up to 2.00" valves.
- Forged pistons - coated piston skirts with measurement window and S&S logo.
- No machining or rebalancing is required.
- Kit includes S&S 1250 cc pistons with rings and wristpins, S&S 3-9/16" bore cylinders, MLS (Multi-Layer Steel) head, base and exhaust gaskets, assembly lube and instructions.
- Made in the USA.
- Will not work with XR1200 models.
- 883 models will require the use of XL1200 cylinder heads to achieve correct compression ratios.
- For the best performance CNC head porting, performance cams, exhaust and intake upgrades are recommended.
This kit converts 1986-'21 883cc and 1200cc HD Sportster models to 1250cc displacement. No machining or rebalancing is required. Kit contains forged flat topped 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., Flat Top, 10.3:1.
Specifications
| Bore Size Imperial | 3.562" |
|---|---|
| Color/Finish | Black |
| Compression Ratio Imperial | 10.3:1 |
| Displacement | 1250 cc |
| Material | Cast / Aluminum / Iron |
| Riding Style | Street |
| Stroke Length Imperial | 3-13/16" |
| Style | Big Bore |
| Type | Flat Top |
| Units | Kit |
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