Description
If you’re serious about maximizing displacement and compression on your Harley-Davidson, the S&S Cycle 1250cc Cylinder Kit (910-0691) delivers the cubic inches and flow characteristics you need without compromising reliability. This forged-piston upgrade transforms your engine’s power delivery with larger valve pockets that accept modern 2.00″ heads, while the U.S.-made construction ensures the precision fit that separates bolt-on performance from backyard guesswork. Whether you’re building a street beast or prepping for sustained high-RPM duty, this kit gives you the displacement advantage on a proven platform.
- 1250cc forged pistons
- Coated piston skirts
- Measurement window included
- Up to 2.00″ valves
- 3-9/16″ bore cylinders
- MLS head gasket
- MLS base gasket
- MLS exhaust gasket
- Wristpins included
- Piston rings included
- Assembly lube supplied
- Instructions included
- Made in U.S.A.
- 883 models require XL1200 heads
