S&S Cycle 91-7000 Cylinder Set 3-5/8" Bore Natural Finish

The S&S Cycle 91-7000 is a premium cylinder set designed for Harley-Davidson Evolution Big Twin engines from 1984-1999 with stock cylinder heads. This bolt-on upgrade features a 3-5/8 inch (3.625") bore diameter, providing increased displacement and performance without requiring extensive engine modifications.

Key Features:

• 3-5/8 inch bore diameter for enhanced displacement
• Natural aluminum finish
• Constructed from premium aluminum castings with cast-in iron cylinder liners for durability
• Direct bolt-on installation with stock cylinder heads
• No case boring or splitting required
• Made in the USA

S&S Cycle cylinders are engineered to exacting specifications and deliver reliable performance for street and performance applications. This cylinder set is designed for skilled technicians and requires proper fitment verification and torque specifications during installation.