S&S CYCLE910-0646
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!
Features & Benefits
•Low friction Ductile Cast Iron liner
•10.5:1 Compression
•Bolts in. No machining, balancing, or splitting the crankcases
•88" engines are boosted to 100"
•Complete kits include cylinders, pistons, gaskets, and instructions
•Wrinkle black cylinders � matches stock finish
•Although not mandatory, we 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.
Part Number : 910-0646
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!
Features & Benefits
•Low friction Ductile Cast Iron liner
•10.5:1 Compression
•Bolts in. No machining, balancing, or splitting the crankcases
•88" engines are boosted to 100"
•Complete kits include cylinders, pistons, gaskets, and instructions
•Wrinkle black cylinders � matches stock finish
•Although not mandatory, we 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.
**** PLEASE NOTE ***** : 910-0646 IS A QUALITY AFTERMARKET PRODUCT. ANY OEM HARLEY PART NUMBERS IN THE TITLE OR DESCRIPTION OF THIS ITEM ARE FOR REFERENCE ONLY , THIS IS A QUALITY AFTERMARKET PRODUCT THAT WE HAVE SOURCED AS AN ALTERNATIVE TO THE OEM VERSION OR FOR WHEN HARLEY-DAVIDSON HAVE CEASED TO MANUFACTURE THE OEM PART.
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!
Features & Benefits
•Low friction Ductile Cast Iron liner
•10.5:1 Compression
•Bolts in. No machining, balancing, or splitting the crankcases
•88" engines are boosted to 100"
•Complete kits include cylinders, pistons, gaskets, and instructions
•Wrinkle black cylinders � matches stock finish
•Although not mandatory, we recommend adding an oil cooler to bikes ridden in warmer climates
| Stroke | Bore | Cylinder Length | Piston Type | Dome Volume | 83cc CNC Heads | 85cc Stock Heads | 89cc S&S Heads |
| 4 | 4.00" | 4.937" | Forged | 8.75 pop up | 10.8:1 | 10.5:1 | 10.1:1 |
*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.
Part Number : 910-0646
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!
Features & Benefits
•Low friction Ductile Cast Iron liner
•10.5:1 Compression
•Bolts in. No machining, balancing, or splitting the crankcases
•88" engines are boosted to 100"
•Complete kits include cylinders, pistons, gaskets, and instructions
•Wrinkle black cylinders � matches stock finish
•Although not mandatory, we recommend adding an oil cooler to bikes ridden in warmer climates
| Stroke | Bore | Cylinder Length | Piston Type | Dome Volume | 83cc CNC Heads | 85cc Stock Heads | 89cc S&S Heads |
| 4 | 4.00" | 4.937" | Forged | 8.75 pop up | 10.8:1 | 10.5:1 | 10.1:1 |
*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.
**** PLEASE NOTE ***** : 910-0646 IS A QUALITY AFTERMARKET PRODUCT. ANY OEM HARLEY PART NUMBERS IN THE TITLE OR DESCRIPTION OF THIS ITEM ARE FOR REFERENCE ONLY , THIS IS A QUALITY AFTERMARKET PRODUCT THAT WE HAVE SOURCED AS AN ALTERNATIVE TO THE OEM VERSION OR FOR WHEN HARLEY-DAVIDSON HAVE CEASED TO MANUFACTURE THE OEM PART.