S&S Cycle Cylinder and Piston Kit - 3.4375" Bore - 84ci - 91-9017

Upgrade your Harley-Davidson engine with the S&S Cycle Cylinder and Stroker Piston Kit. This comprehensive kit allows you to build 84", 86", or 88" stroker engines, or replace components in an existing S&S stock bore stroker kit. Made in the USA with high-quality materials, this kit delivers enhanced performance and reliability.

Description

The S&S Cycle Cylinder and Stroker Piston Kit is designed for enthusiasts and professionals seeking to maximize their engine's potential. Compatible with engines utilizing 4-1/2", 4-5/8", or 4-3/4" stroke flywheels, this kit offers versatile options for achieving your desired displacement and compression ratio. The 3.4375" bore high tensile cast iron cylinders, combined with forged pistons, ensure durability and optimal performance. Achieve an 8.4:1 compression ratio with a 4-1/2" stroke (84"), 9.4:1 with a 4-5/8" stroke (86"), or 10.8:1 with a 4-3/4" stroke (88"). Each kit includes everything needed for a seamless installation, enhancing your motorcycle's power and responsiveness.

Features & highlights

• Build 84", 86", or 88" stroker engines with one kit.
• Compatible with 4-1/2", 4-5/8", and 4-3/4" stroke flywheels.
• High tensile cast iron cylinders for superior strength and heat dissipation.
• Forged pistons ensure durability under high-stress conditions.
• Complete kit includes all necessary gaskets and hardware for installation.
• Made in the U.S.A. for guaranteed quality and performance.

Technical specifications

• Brand: S&S Cycle
• Bore Size: 3.4375"
• Color/Finish: Gloss Black
• Compression Ratio: 8.4:1 (with 4-1/2" stroke) , 9.4:1 (with 4-5/8" stroke), 10.8:1 (with 4-3/4" stroke)
• Displacement: 84", 86", 88"
• Material: Cast Iron
• Type: Stock Bore Cylinder

Important to know

This kit requires professional installation. Verify flywheel stroke for proper compression ratio. Ensure proper engine tuning after installation.