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There are multiple sayings that come to mind here- "There's no replacement for displacement" and "Bigger is better". This kit address both of them. The upgrade yields excellent results with the stock cylinder heads. No need to bore or split your existing cases, just swap the cylinders and pistons.
Note: Engine projects like this may require a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.
Dyna Street Bob FXDB/I 2006
Softail Heritage FLST/I 2006
Street Glide FLHX/I 2006
|Product Style||RevZilla Item #||Manufacturer Product #||Availability|
|Black||1214275||910-0597||Available: Requires 1-3 business days lead time prior to shipment|
|Silver||1214274||910-0596||Available: Requires 3-5 business days lead time prior to shipment|
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If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.
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Have a functionality, fit, or otherwise product-specific question about the S&S 100" Big Bore Kit For Harley Twin Cam 1999-2006? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.