What is the primary benefit of installing this stroker kit?

The primary benefit is increasing your engine's displacement from stock 74 or 80 cubic inches to 96 cubic inches. This results in a significant increase in torque and overall engine power.

What is included in this kit?

The kit includes an S&S 4-5/8 inch stroke dynamically balanced flywheel assembly and S&S 3-5/8 inch bore high tensile cast iron Sidewinder cylinders. It contains nearly everything needed for the conversion.

Can this kit be shipped to California?

No, this kit is not CARB approved and cannot be shipped to California due to emissions regulations.

Specifications

Brand: S&S Cycle
Part #: 91-9134
UPC: 91-9134

S&S Cycle 70-84 BT 96in Sidewinder Big Bore Stroker Kit - Gloss Black

Name: S&S Cycle 70-84 BT 96in Sidewinder Big Bore Stroker Kit - Gloss Black
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-70-84-bt-96in-sidewinder-big-bore-stroker-kit-gloss-black-t14-664653
Price: 4547.32 USD
Availability: BackOrder

$4547.32

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Key Features

Fits 1970-1984 Harley-Davidson Big Twin engines.
Increases engine displacement to 96 cubic inches.
Includes a 4-5/8 inch stroke S&S dynamically balanced flywheel assembly.
Features S&S 3-5/8 inch bore high tensile cast iron Sidewinder cylinders.
Achieves a 9.1:1 compression ratio.
Gloss black finish for a custom appearance.

This kit is designed for 1970-1984 Harley-Davidson Big Twin engines. It is not CARB approved and cannot be shipped to California.

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About this part

Product Details

This S&S Cycle Sidewinder big bore stroker kit is a well-built way to increase the displacement of your 74 or 80 cubic inch Harley-Davidson Shovelhead engine to 96 cubic inches. It's designed to give you more power and torque from your existing engine case, offering a significant performance upgrade without needing to replace the entire engine.

The kit includes a 4-5/8 inch stroke S&S flywheel assembly, which is dynamically balanced for smoother operation. It also features S&S 3-5/8 inch bore high tensile cast iron Sidewinder cylinders. These components work together to achieve a 9.1:1 compression ratio, which is a notable increase over stock and contributes to improved engine performance. The gloss black finish on the cylinders adds a custom look to your build.

This kit contains most of what you'll need to complete the conversion, making it a comprehensive solution for engine builders looking to boost their Big Twin's performance. Please note that this kit is not CARB approved and cannot be shipped to California.