Upgrade select 2007–2017 Harley-Davidson Big Twin engines with the S&S Cycle 106-Inch Big Bore Hot Set Up Kit, part number 900-0354. Designed for straightforward installation, this kit requires no machining, crankshaft rebalancing, or engine removal from the chassis. The stock-height configuration helps maintain frame clearance and allows compatibility with a stock electronic fuel-injection throttle body. Cylinder heads are not included.
The kit includes S&S 3.927-inch bore pistons, big-bore cylinders with a wrinkle-black powder-coat finish, S&S 585C chain-drive Easy Start camshafts, chromoly steel adjustable pushrods, and high-performance tappets. Together, these components create a 106-cubic-inch engine with a 10:1 compression ratio, providing a performance-oriented foundation for street and touring applications while retaining practical installation benefits.
No fuel or ignition system is included. For optimal results, S&S Cycle recommends pairing the kit with a larger throttle body, performance air cleaner, and performance exhaust system. The electronic fuel-injection system must be recalibrated after installation. This product is not approved for use on pollution-controlled vehicles and may require acknowledgment of applicable carburetion or emissions restrictions. Verify engine configuration and vehicle fitment before ordering.
Fitment includes select Harley-Davidson models such as the 2007 FLHX Street Glide; 2008 FLHX Street Glide, FLSTSB Cross Bones, FXCW Rocker, FXCWC Rocker C, and FXDF Fat Bob; 2009 FLHTCUSE4 CVO Ultra Classic Electra Glide, FLHTCUTG Tri Glide Ultra Classic, FLHX Street Glide, and FLSTSB Cross Bones. Confirm exact application details with the vehicle and engine specifications.
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