This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1986-1990,2006 | Harley Davidson | FLST Heritage Softail | Base |
| 1988-2006 | Harley Davidson | FLSTC Heritage Softail Classic | Base |
| 2001-2006 | Harley Davidson | FLSTCI Heritage Softail Classic | Base |
| 1990-2006 | Harley Davidson | FLSTF Fat Boy | Base |
| 2001-2006 | Harley Davidson | FLSTFI Fat Boy | Base |
| 1994-1996 | Harley Davidson | FLSTN Heritage Softail Special | Base |
| 2005-2006 | Harley Davidson | FLSTN Softail Deluxe | Base |
| 1997-2006 | Harley Davidson | FLSTS Heritage Springer | Base |
| 2005-2006 | Harley Davidson | FLSTSC Softail Springer Classic | Base |
| 2001-2003 | Harley Davidson | FLSTSI Heritage Springer | Base |
| 1986-2006 | Harley Davidson | FXST Softail Standard | Base |
| 1999-2006 | Harley Davidson | FXSTB Night Train | Base |
| 2001-2006 | Harley Davidson | FXSTBI Night Train | Base |
| 1986-1999 | Harley Davidson | FXSTC Softail Custom | Base |
| 2000-2006 | Harley Davidson | FXSTD Softail Deuce | Base |
| 2001-2006 | Harley Davidson | FXSTDI Softail Deuce | Base |
| 2003-2004 | Harley Davidson | FXSTDSE Screamin Eagle Softail Deuce | Base |
| 2001-2006 | Harley Davidson | FXSTI Softail Standard | Base |
| 1988-2006 | Harley Davidson | FXSTS Springer Softail | Base |
| 1995-1997 | Harley Davidson | FXSTSB Bad Boy | Base |
| 2001-2006 | Harley Davidson | FXSTSI Springer Softail | Base |
Chassis Bracing
Chassis bracing reduces structural flex in unibody and body-on-frame vehicles, improving handling precision, steering response, and suspension geometry consistency under cornering loads. Front strut braces, rear chassis braces, and underbody reinforcement kits all target different flex points depending on the vehicle and build goals. Popular Upgrades The most popular chassis bracing upgrades include front upper strut tower bars for reduced front-end flex, rear lower chassis braces for improved rear subframe rigidity, underbody X-braces and torque boxes for full chassis stiffening, and sway bar end link braces for more predictable corner entry behavior. Many enthusiasts pair front and rear bracing for the greatest improvement in overall chassis feel. What does chassis bracing actually do for handling? Chassis flex causes subtle but measurable changes in suspension geometry during cornering and acceleration. Reducing flex with bracing keeps the suspension working as designed, which tr...
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Suspension
Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...
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