S&S Cycle® 910-0646 - Sidewinder Big Bore Kit

0 reviews|Item # mpn4638584042
Vehicle Specific
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Notes:
  • Although not mandatory, S&S recommend adding an oil cooler to bikes ridden in warmer climates
  • Not compatible with S&S 79cc Super Stock® heads. Not recommended for Tri-Glide or other three wheel models due to lugging nature of these bikes
  • Not legal for sale or use in California on any pollution controlled motor vehicle
  • Not legal for sale or use on any epa pollution controlled motor vehicle
  • This product is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states following CARB standards, including NY and ME
Authorized Dealer
$1,550.95
In Stock (5) - Ships within 24 hrs

Vehicle Fitment

Harley Davidson

Specifications

Stroke
4.0"
BoreSize
4.00"
Cylinder Length
4.937"
Piston Type
Forged
Dome Volume
8.75 pop up
83cc CNC Heads
10.8:1
85cc Stock Heads
10.5:1
89cc S&S Heads
10.1:1
Finish
Wrinkle Black

Includes

  • Cylinders
  • Pistons
  • Gaskets
  • Instructions

Features

  • Low friction Ductile Cast Iron liner
  • Bolts in. No machining, balancing, or splitting the crankcases
  • 88" engines are boosted to 100"

Product Details

Sidewinder Big Bore Kit (910-0646) by S&S Cycle®. Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do not require machining, rebalancing or engine removal, and include just about everything you’ll need to complete the installation. The biggest cylinder bore that can be installed in a stock crankcase without machining!. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.

Brand:
Part Number:
910-0646
Alternate MPN:
9100646

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