S&S Cycle 99-06 BT 4 in Bore 4 in Stroke Cylinder Kit, Wrinkle Black with Highlight, Part 910-0646

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!

• Although not mandatory, we recommend adding an oil cooler to bikes ridden in warmer climates
• Complete kits include cylinders, pistons, gaskets, and instructions
• Bolts in. No machining, balancing, or splitting the crankcases
• Wrinkle black cylinders - matches stock finish
• Low friction Ductile Cast Iron liner
• 88" engines are boosted to 100"
• 10.5:1 Compression

The S&S Cycle 99-06 BT 4 in Bore 4 in Stroke Cylinder Kit is designed for select Harley-Davidson Big Twin applications and features a ductile cast iron liner wrapped in cast aluminum for thermal conductivity and performance. The wrinkle black cylinder finish is intended to match the stock appearance.

This bolt-in kit does not require machining, rebalancing, or splitting the crankcases. The complete kit includes cylinders, pistons, gaskets, and installation instructions. It provides the biggest cylinder bore that can be installed in a stock crankcase without machining, and 88-inch engines are boosted to 100 inches with a 10.5:1 compression ratio.

Fitment includes the 2001 Harley-Davidson FLSTFI Fat Boy, FXSTBI Night Train, FXSTDI Softail Deuce, FXSTI Softail Standard, and FXSTSI Springer Softail, plus the 2002 FLHRCI Road King Classic, FLHTCI Electra Glide Classic, FLHTCUI Electra Glide Ultra Classic, FLSTCI Heritage Softail Classic, and FLSTFI Fat Boy. Manufacturer part number: 910-0646. Vendor part number: 910-0646. An oil cooler is recommended for bikes ridden in warmer climates.

Features:

• Brand: S&S Cycle
• Model: 99-06 BT 4 in Bore 4 in Stroke Cylinder Kit
• Part Number: 910-0646
• Cylinder finish: Wrinkle black with highlight
• Construction: Ductile cast iron liner wrapped in cast aluminum
• Installation: Bolt-in design with no machining, rebalancing, or crankcase splitting required
• Included components: Cylinders, pistons, gaskets, and installation instructions
• Performance: Boosts 88-inch engines to 100 inches
• Compression ratio: 10.5:1
• Fitment: Select 2001-2002 Harley-Davidson models listed in the product description

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1
Fitment:
1999 Harley Davidson FLHR Road King Base
1999 Harley Davidson FLHRCI Road King Classic Base
1999 Harley Davidson FLHTC Electra Glide Classic Base
1999 Harley Davidson FLHTCI Electra Glide Classic Base
1999 Harley Davidson FLHTCUI Electra Glide Ultra Classic Base
1999 Harley Davidson FLSTC Heritage Softail Classic Base
1999 Harley Davidson FLSTF Fat Boy Base
1999 Harley Davidson FLTR Road Glide Base
1999 Harley Davidson FLTRI Road Glide Base
1999 Harley Davidson FXD Dyna Super Glide Base
1999 Harley Davidson FXDL Dyna Low Rider Base
1999 Harley Davidson FXDWG Dyna Wide Glide Base
1999 Harley Davidson FXDX Dyna Super Glide Sport Base
1999 Harley Davidson FXSTB Night Train Base
1999 Harley Davidson FXSTS Springer Softail Base
2000 Harley Davidson FLHR Road King Base
2000 Harley Davidson FLHRCI Road King Classic Base
2000 Harley Davidson FLHRI Road King Base
2000 Harley Davidson FLHTC Electra Glide Classic Base
2000 Harley Davidson FLHTCI Electra Glide Classic Base
2000 Harley Davidson FLHTCUI Electra Glide Ultra Classic Base
2000 Harley Davidson FLSTC Heritage Softail Classic Base
2000 Harley Davidson FLSTF Fat Boy Base
2000 Harley Davidson FLTR Road Glide Base
2000 Harley Davidson FLTRI Road Glide Base
2000 Harley Davidson FXD Dyna Super Glide Base
2000 Harley Davidson FXDL Dyna Low Rider Base
2000 Harley Davidson FXDWG Dyna Wide Glide Base
2000 Harley Davidson FXDX Dyna Super Glide Sport Base
2000 Harley Davidson FXSTB Night Train Base
2000 Harley Davidson FXSTD Softail Deuce Base
2000 Harley Davidson FXSTS Springer Softail Base
2001 Harley Davidson FLHR Road King Base
2001 Harley Davidson FLHRCI Road King Classic Base
2001 Harley Davidson FLHRI Road King Base
2001 Harley Davidson FLHTC Electra Glide Classic Base
2001 Harley Davidson FLHTCI Electra Glide Classic Base
2001 Harley Davidson FLHTCUI Electra Glide Ultra Classic Base
2001 Harley Davidson FLSTC Heritage Softail Classic Base
2001 Harley Davidson FLSTCI Heritage Softail Classic Base
2001 Harley Davidson FLSTF Fat Boy Base
2001 Harley Davidson FLSTFI Fat Boy Base
2001 Harley Davidson FLTR Road Glide Base
2001 Harley Davidson FLTRI Road Glide Base
2001 Harley Davidson FXD Dyna Super Glide Base
2001 Harley Davidson FXDL Dyna Low Rider Base
2001 Harley Davidson FXDWG Dyna Wide Glide Base
2001 Harley Davidson FXDX Dyna Super Glide Sport Base
2001 Harley Davidson FXDXT Dyna Super Glide T-Sport Base
2001 Harley Davidson FXSTB Night Train Base
2001 Harley Davidson FXSTBI Night Train Base
2001 Harley Davidson FXSTD Softail Deuce Base
2001 Harley Davidson FXSTDI Softail Deuce Base
2001 Harley Davidson FXSTI Softail Standard Base
2001 Harley Davidson FXSTS Springer Softail Base
2001 Harley Davidson FXSTSI Springer Softail Base
2002 Harley Davidson FLHR Road King Base
2002 Harley Davidson FLHRCI Road King Classic Base
2002 Harley Davidson FLHRI Road King Base
2002 Harley Davidson FLHTC Electra Glide Classic Base
2002 Harley Davidson FLHTCI Electra Glide Classic Base
2002 Harley Davidson FLHTCUI Electra Glide Ultra Classic Base
2002 Harley Davidson FLSTC Heritage Softail Classic Base
2002 Harley Davidson FLSTCI Heritage Softail Classic Base
2002 Harley Davidson FLSTF Fat Boy Base
2002 Harley Davidson FLSTFI Fat Boy Base
2002 Harley Davidson FLTR Road Glide Base
2002 Harley Davidson FLTRI Road Glide Base
2002 Harley Davidson FXD Dyna Super Glide Base
2002 Harley Davidson FXDL Dyna Low Rider Base
2002 Harley Davidson FXDWG Dyna Wide Glide Base
2002 Harley Davidson FXDX Dyna Super Glide Sport Base
2002 Harley Davidson FXDXT Dyna Super Glide T-Sport Base
2002 Harley Davidson FXSTB Night Train Base
2002 Harley Davidson FXSTBI Night Train Base
2002 Harley Davidson FXSTD Softail Deuce Base
2002 Harley Davidson FXSTDI Softail Deuce Base
2002 Harley Davidson FXSTI Softail Standard Base
2002 Harley Davidson FXSTS Springer Softail Base
2002 Harley Davidson FXSTSI Springer Softail Base
2003 Harley Davidson FLHR Road King Base
2003 Harley Davidson FLHRCI Road King Classic Base
2003 Harley Davidson FLHRI Road King Base
2003 Harley Davidson FLHTC Electra Glide Classic Base
2003 Harley Davidson FLHTCI Electra Glide Classic Base
2003 Harley Davidson FLHTCUI Electra Glide Ultra Classic Base
2003 Harley Davidson FLSTC Heritage Softail Classic Base
2003 Harley Davidson FLSTCI Heritage Softail Classic Base
2003 Harley Davidson FLSTF Fat Boy Base
2003 Harley Davidson FLSTFI Fat Boy Base
2003 Harley Davidson FLTR Road Glide Base
2003 Harley Davidson FLTRI Road Glide Base
2003 Harley Davidson FXD Dyna Super Glide Base
2003 Harley Davidson FXDL Dyna Low Rider Base
2003 Harley Davidson FXDWG Dyna Wide Glide Base
2003 Harley Davidson FXDX Dyna Super Glide Sport Base
2003 Harley Davidson FXDXT Dyna Super Glide T-Sport Base
2003 Harley Davidson FXSTB Night Train Base
2003 Harley Davidson FXSTBI Night Train Base
2003 Harley Davidson FXSTD Softail Deuce Base
2003 Harley Davidson FXSTDI Softail Deuce Base
2003 Harley Davidson FXSTDSE Screamin Eagle Softail Deuce Base
2003 Harley Davidson FXSTI Softail Standard Base
2003 Harley Davidson FXSTS Springer Softail Base
2003 Harley Davidson FXSTSI Springer Softail Base
2004 Harley Davidson FLHR Road King Base
2004 Harley Davidson FLHRCI Road King Classic Base
2004 Harley Davidson FLHRI Road King Base
2004 Harley Davidson FLHRS Road King Custom Base
2004 Harley Davidson FLHTC Electra Glide Classic Base
2004 Harley Davidson FLHTCI Electra Glide Classic Base
2004 Harley Davidson FLHTCUI Electra Glide Ultra Classic Base
2004 Harley Davidson FLSTC Heritage Softail Classic Base
2004 Harley Davidson FLSTCI Heritage Softail Classic Base
2004 Harley Davidson FLSTF Fat Boy Base
2004 Harley Davidson FLSTFI Fat Boy Base
2004 Harley Davidson FLTR Road Glide Base
2004 Harley Davidson FLTRI Road Glide Base
2004 Harley Davidson FXD Dyna Super Glide Base
2004 Harley Davidson FXDL Dyna Low Rider Base
2004 Harley Davidson FXDLI Dyna Low Rider Base
2004 Harley Davidson FXDWG Dyna Wide Glide Base
2004 Harley Davidson FXDWGI Dyna Wide Glide Base
2004 Harley Davidson FXDX Dyna Super Glide Sport Base
2004 Harley Davidson FXSTB Night Train Base
2004 Harley Davidson FXSTBI Night Train Base
2004 Harley Davidson FXSTD Softail Deuce Base
2004 Harley Davidson FXSTDI Softail Deuce Base
2004 Harley Davidson FXSTDSE Screamin Eagle Softail Deuce Base
2004 Harley Davidson FXSTI Softail Standard Base
2004 Harley Davidson FXSTS Springer Softail Base
2004 Harley Davidson FXSTSI Springer Softail Base
2005 Harley Davidson FLHR Road King Base
2005 Harley Davidson FLHRCI Road King Classic Base
2005 Harley Davidson FLHRI Road King Base
2005 Harley Davidson FLHRS Road King Custom Base
2005 Harley Davidson FLHTC Electra Glide Classic Base
2005 Harley Davidson FLHTCI Electra Glide Classic Base
2005 Harley Davidson FLHTCUI Electra Glide Ultra Classic Base
2005 Harley Davidson FLSTC Heritage Softail Classic Base
2005 Harley Davidson FLSTCI Heritage Softail Classic Base
2005 Harley Davidson FLSTF Fat Boy Base
2005 Harley Davidson FLSTFI Fat Boy Base
2005 Harley Davidson FLTR Road Glide Base
2005 Harley Davidson FLTRI Road Glide Base
2005 Harley Davidson FXD Dyna Super Glide Base
2005 Harley Davidson FXDL Dyna Low Rider Base
2005 Harley Davidson FXDLI Dyna Low Rider Base
2005 Harley Davidson FXDWG Dyna Wide Glide Base
2005 Harley Davidson FXDWGI Dyna Wide Glide Base
2005 Harley Davidson FXDX Dyna Super Glide Sport Base
2005 Harley Davidson FXSTB Night Train Base
2005 Harley Davidson FXSTBI Night Train Base
2005 Harley Davidson FXSTD Softail Deuce Base
2005 Harley Davidson FXSTDI Softail Deuce Base
2005 Harley Davidson FXSTI Softail Standard Base
2005 Harley Davidson FXSTS Springer Softail Base
2005 Harley Davidson FXSTSI Springer Softail Base
2006 Harley Davidson FLHR Road King Base
2006 Harley Davidson FLHRCI Road King Classic Base
2006 Harley Davidson FLHRI Road King Base
2006 Harley Davidson FLHRS Road King Custom Base
2006 Harley Davidson FLHTCI Electra Glide Classic Base
2006 Harley Davidson FLHTCUI Electra Glide Ultra Classic Base
2006 Harley Davidson FLST Heritage Softail Base
2006 Harley Davidson FLSTC Heritage Softail Classic Base
2006 Harley Davidson FLSTCI Heritage Softail Classic Base
2006 Harley Davidson FLSTF Fat Boy Base
2006 Harley Davidson FLSTFI Fat Boy Base
2006 Harley Davidson FLTR Road Glide Base
2006 Harley Davidson FLTRI Road Glide Base
2006 Harley Davidson FXD Dyna Super Glide Base
2006 Harley Davidson FXDLI Dyna Low Rider Base
2006 Harley Davidson FXDWG Dyna Wide Glide Base
2006 Harley Davidson FXDWGI Dyna Wide Glide Base
2006 Harley Davidson FXSTB Night Train Base
2006 Harley Davidson FXSTBI Night Train Base
2006 Harley Davidson FXSTD Softail Deuce Base
2006 Harley Davidson FXSTDI Softail Deuce Base
2006 Harley Davidson FXSTI Softail Standard Base
2006 Harley Davidson FXSTS Springer Softail Base
2006 Harley Davidson FXSTSI Springer Softail Base