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.
Note: Although not mandatory, S&S recommends adding an oil cooler to bikes ridden in warmer climates.
| Product Style | Item # | Store SKU | Manufacturer Product # | Availability |
|---|---|---|---|---|
| Product Style Black | Item # 10085926 | Store SKU | Manufacturer Product # 910-0646 | Availability In Stock: Ships within 24 hours |
| Product Style Silver | Item # 10085925 | Store SKU | Manufacturer Product # 910-0642 | Availability In Stock: Ships within 24 hours |