S&S Cycle Shovelhead Sidewinder Big Bore Stroker Kit - Black - 91-9130

Transform your Harley-Davidson Shovelhead engine with the S&S Cycle Sidewinder® Big Bore Stroker Kit. This comprehensive kit provides nearly everything you need to boost your stock 74" or 80" engine to a powerful 93" displacement. Experience enhanced performance and increased horsepower with this premium upgrade.

Description

The S&S Cycle Sidewinder® Big Bore Stroker Kit is designed for enthusiasts and professionals seeking a significant performance upgrade for their Shovelhead engines. This kit features high-tensile cast iron Sidewinder cylinders with a 3.625" bore and forged pistons, ensuring durability and optimal combustion. The dynamically balanced S&S flywheel assembly, complete with S&S heavy-duty connecting rods and mainshafts, delivers smooth and reliable power. With a 4.5" stroke and a 9.1:1 compression ratio, this kit provides a noticeable increase in torque and horsepower throughout the RPM range. Installation is straightforward with included S&S stainless steel head bolts, base nuts, adjustable chromoly steel pushrods, head gaskets, base gaskets, exhaust gaskets, and a heavy-duty top motor mount. Upgrade your engine with confidence using this premium S&S Cycle kit.

Features & highlights

• Increases engine displacement to 93" for enhanced performance.
• Includes 3.625" bore high-tensile cast iron Sidewinder cylinders for durability.
• Features forged pistons with wrist pin and rings for optimal combustion.
• Dynamically balanced S&S flywheel assembly ensures smooth power delivery.
• Comes with all necessary gaskets and hardware for easy installation.
• S&S heavy-duty connecting rods and mainshafts for reliable performance.
• Made in the U.S.A.

Technical specifications

• Brand: S&S Cycle
• Product Name: Performance Kit
• Type: Engine
• Displacement: 93"
• Bore Size: 3.625"
• Stroke Length: 4.5"
• Compression Ratio: 9.1:1
• Color/Finish: Black

Important to know

• This kit requires professional installation.
• Ensure compatibility with your specific Harley-Davidson Shovelhead model before purchase.