S&S TWIN CAM BIG BORE KIT

$1,220.00
In Stock — Ready to Ship
Ships in 48hrs
30-Day Returns
Secure Checkout

Weight: 27.00

  • Go from 96″ to 106″ for 2007-2012 Big Twins or go from 88″ to 97″ for 1996-2006 Big Twins.
  • Largest bore that we feel can safely be used in a cylinder with a stock spigot O.D..
  • Bolt-on 9 to 10 cubic inches – cylinders do not require crankcase machining to install.
  • Increased fin area for better heat dissipation.
  • Forged coated pistons are compatible with stock or S&S Super Stock® 79cc & 89cc heads.
  • Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams.
  • 11 fins and full fin pattern on cam side closely resembles OEM shape.
  • S&S logo and part numbers are less conspicuous.
  • Silver powder coat or wrinkle black powder coat cylinder finish color matches Harley-Davidson® finish.

Kit Contains:

  • Piston set with rings.
  • Top end gasket kit.
  • S&S cylinders.
  • Installation instructions.

S&S CYCLE INC®
Silver Powder Coat Finished Bore Kit
Fits Big Twin models 1999/2006
88″ to 97″ Displacement

Not legal for sale or use in California, or on any pollution controlled vehicles.

Specifications coming soon.

Shipping Information

In-stock orders ship within 1–2 business days. Shipping time varies by location and carrier. Standard domestic shipping is available for most items. Expedited options may be available at checkout.

  • Free Standard Shipping on orders over $99
  • Most orders ship within 48 business hours
  • Tracking number provided upon shipment
  • Oversized items may require freight shipping

Return Policy

We accept returns on eligible new items within 30 days of delivery. Used parts are sold as-is and may not be eligible for return. Items must be in original, uninstalled condition with all original packaging.

View full Shipping & Returns policy

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Fitment information is listed in the product details above. If you have questions about compatibility for your specific model and year, please contact our team before ordering.
New parts carry the manufacturer warranty where applicable. Used parts are sold as-is and are typically tested or described in detail. See the product condition notes for specifics.
Once your order ships, you will receive an email with a tracking number. You can also log into your account at any time to view order status.
Used parts are generally sold as-is and are not eligible for return unless there was a significant misdescription. Contact us within 7 days of delivery if you have a concern.

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