S&S CYCLE Cylinder Kit 910-0690

If you're building a high-displacement Harley engine and need reliable, precision-engineered internals, the S&S Cycle 1250cc Cylinder Kit delivers the bore and piston combination that serious builders trust. This complete kit eliminates the guesswork of sourcing matched components individually, and S&S's U.S.-made forged pistons are designed to handle aggressive performance builds without compromise. Whether you're upgrading displacement or refreshing top-end wear, this kit provides the foundation for consistent, repeatable power.

• 1250cc displacement capacity
• S&S forged pistons
• Coated piston skirts
• Measurement window included
• Accepts 2.00" valves
• Enlarged valve pockets
• 3-9/16" bore cylinders
• MLS head gasket
• Base gasket included
• Exhaust gasket included
• Piston rings and wristpins
• Assembly lube provided
• Instructions included
• Made in U.S.A.
• 883 models require XL1200 heads
• Bolt-on installation
• MPN: 9100690