- This 124" big bore/stroker Hot Set Up Kit transforms a stock engine into a 124" monster
- This kit includes S&S 4-1/8" bore pistons, big bore cylinders finished in wrinkle black powder coat, a dynamically balanced 4-5/8" stroke three piece flywheel assembly complete with S&S heavy duty connecting rods and intergal mainshafts, S&S 640 gear drive Easy Start camshafts, S&S chromoly steel adjustable pushrods, S&S premium tappets,S&S Super Stock 91cc cylinder heads
- When installed the kit yeilds a 124" engine with a compression ratio of 11:1
- Although the engine is .960" taller than stock, there are no frame clearance problems, and a stock EFI Throttle body will fit because the manifold mounting surfaces of the heads have been specially machined to fit a stock length manifold
- No fuel or ignition system is included
- For the best results, a larger EFI throttle body, performance intake and performance exhaust are recommended
- The EFI system must be recalibrated
- Although not mandatory, we recommend adding an oil cooler to bikes ridden in warmer climates
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2011-2013 | Harley-Davidson | Blackline FXS | |
| 2013-2017 | Harley-Davidson | Breakout FXSB | |
| 2008-2011 | Harley-Davidson | Cross Bones FLSTSB | |
| 2007-2017 | Harley-Davidson | Fat Boy FLSTF | |
| 2010-2016 | Harley-Davidson | Fat Boy Lo FLSTFB | |
| 2016-2017 | Harley-Davidson | Fat Boy Lo S FLSTFBS | |
| 2007-2017 | Harley-Davidson | Heritage Softail Classic FLSTC | |
| 2007-2009 | Harley-Davidson | Night Train FXSTB | |
| 2008-2011 | Harley-Davidson | Rocker C FXCWC | |
| 2008-2009 | Harley-Davidson | Rocker FXCW | |
| 2007-2010 | Harley-Davidson | Softail Custom FXSTC | |
| 2007-2017 | Harley-Davidson | Softail Deluxe FLSTN | |
| 2007 | Harley-Davidson | Softail Deuce FXSTD | |
| 2012-2017 | Harley-Davidson | Softail Slim FLS | |
| 2016-2017 | Harley-Davidson | Softail Slim S FLSS | |
| 2007 | Harley-Davidson | Softail Springer Classic FLSTSC | |
| 2007 | Harley-Davidson | Softail Standard FXST | |