• Photo - Primary
  • User 1
1 2

S&S Cycle

S&S Cycle 99-06 BT 4in Bore 4in Stroke Cylinder Kit - Wrinkle Black w/ Highlight

S&S Cycle 99-06 BT 4in Bore 4in Stroke Cylinder Kit - Wrinkle Black w/ Highlight

$1,540.95 USD
$1,540.95 USD
Sale Sold out
Shipping calculated at checkout.

SSC910-0646

Fitment first Check your year, model, and setup

Review the fitment notes in the description before ordering. Running a non-stock setup? Ask us first.

Low stock: 3 left
Fitment focused
Secure checkout
Rider support
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 Part Fits:

Year Make Model Submodel
1999-2006 Harley-Davidson FLHR Road King Base
1999-2006 Harley-Davidson FLHRCI Road King Classic Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2006 Harley-Davidson FLHRS Road King Custom Base
1999-2005 Harley-Davidson FLHTC Electra Glide Classic Base
1999-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1999-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2006 Harley-Davidson FLST Heritage Softail Base
1999-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
1999-2006 Harley-Davidson FLSTF Fat Boy Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1999-2006 Harley-Davidson FLTR Road Glide Base
1999-2006 Harley-Davidson FLTRI Road Glide Base
1999-2006 Harley-Davidson FXD Dyna Super Glide Base
1999-2005 Harley-Davidson FXDL Dyna Low Rider Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1999-2006 Harley-Davidson FXDWG Dyna Wide Glide Base
2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base
1999-2005 Harley-Davidson FXDX Dyna Super Glide Sport Base
2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport Base
1999-2006 Harley-Davidson FXSTB Night Train Base
2001-2006 Harley-Davidson FXSTBI Night Train Base
2000-2006 Harley-Davidson FXSTD Softail Deuce Base
2001-2006 Harley-Davidson FXSTDI Softail Deuce Base
2003-2004 Harley-Davidson FXSTDSE Screamin Eagle Softail Deuce Base
2001-2006 Harley-Davidson FXSTI Softail Standard Base
1999-2006 Harley-Davidson FXSTS Springer Softail Base
2001-2006 Harley-Davidson FXSTSI Springer Softail Base
Fitment & compatibility

Fitment information is listed in the product description. Confirm your year, model, trim, and any existing modifications before ordering.

What’s included

See the product description and images for included components. Contact us before ordering if your install may require adapters, gaskets, hardware, or other supporting parts.

Installation & specifications

Professional installation is recommended when the work involves controls, braking, fuel, electrical, or safety-critical components.

Shipping, returns & support

Availability and delivery estimates are shown during checkout. Please review the store policies before installation, and contact us promptly if you need help with an order.

View full details