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All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
S&S Cycle

S&S Cycle Sidewinder Performance Kit - 91-7661 For Harley Motorcycles 1984-2000

MPN: 91-7661 SKU: 0903-1258
S&S Cycle

S&S Cycle Sidewinder Performance Kit - 91-7661 For Harley Motorcycles 1984-2000

MPN: 91-7661 SKU: 0903-1258
Availability:
Out of stock
Kits include standard flywheel assembly, 3-5/8" bore cylinders, 9.75:1 pistons, rings and gaskets Does not include manifold, pushrods, or pushrod clips Made In the U.S.A. Cases must be bored to accept 3-5/8" bore cylinders, and a minor crankcase clearancing operation for the crankpin nut must be performed. 77-89 style pinion gear and oil pump drive gears must be used when installing S&S flywheels in 90-99 engines. Specs Product Name Performance Kit Type Engine Style Big Bore Model Sidewinder Color/Finish Black Stroke Length 4-5/8" Displacement 96" Bore Size 3.625" Compression Ratio 9.75:1 Units Kit Riding Style Street
Sold out
Original price $2,879.95 - Original price $2,879.95
Original price
$2,879.95
$2,879.95 - $2,879.95
Current price $2,879.95

Product Details

Features

  • Kits include standard flywheel assembly, 3-5/8" bore cylinders, 9.75:1 pistons, rings and gaskets
  • Does not include manifold, pushrods, or pushrod clips
  • Made In the U.S.A.
  • Cases must be bored to accept 3-5/8" bore cylinders, and a minor crankcase clearancing operation for the crankpin nut must be performed.
  • 77-89 style pinion gear and oil pump drive gears must be used when installing S&S flywheels in 90-99 engines.

Specs

Product Name Performance Kit
Type Engine
Style Big Bore
Model Sidewinder
Color/Finish Black
Stroke Length 4-5/8"
Displacement 96"
Bore Size 3.625"
Compression Ratio 9.75:1
Units Kit
Riding Style Street

Product Description

Features

  • Kits include standard flywheel assembly, 3-5/8" bore cylinders, 9.75:1 pistons, rings and gaskets
  • Does not include manifold, pushrods, or pushrod clips
  • Made In the U.S.A.
  • Cases must be bored to accept 3-5/8" bore cylinders, and a minor crankcase clearancing operation for the crankpin nut must be performed.
  • 77-89 style pinion gear and oil pump drive gears must be used when installing S&S flywheels in 90-99 engines.

Specs

Product Name Performance Kit
Type Engine
Style Big Bore
Model Sidewinder
Color/Finish Black
Stroke Length 4-5/8"
Displacement 96"
Bore Size 3.625"
Compression Ratio 9.75:1
Units Kit
Riding Style Street

Part Numbers
Store SKU MFR. Product # Availability
0903-1258 91-7661 Out of Stock
Fitment
This product is vehicle specific. Select your vehicle to confirm fitment.

This Product Fits

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

Features

  • Kits include standard flywheel assembly, 3-5/8" bore cylinders, 9.75:1 pistons, rings and gaskets
  • Does not include manifold, pushrods, or pushrod clips
  • Made In the U.S.A.
  • Cases must be bored to accept 3-5/8" bore cylinders, and a minor crankcase clearancing operation for the crankpin nut must be performed.
  • 77-89 style pinion gear and oil pump drive gears must be used when installing S&S flywheels in 90-99 engines.

Specs

Product Name Performance Kit
Type Engine
Style Big Bore
Model Sidewinder
Color/Finish Black
Stroke Length 4-5/8"
Displacement 96"
Bore Size 3.625"
Compression Ratio 9.75:1
Units Kit
Riding Style Street