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JK/JKU & TJ/LJ: SpeedBump & Progressive Bump Stop Guide

Category:  Product Highlights

TeraFlex

JK Wrangler | JKU Wrangler Unlimited

TJ Wrangler | LJ Wrangler Unlimited

SpeedBump Bump Stops | Progressive Bump Stops

Bump Stop Extensions & Bump Stop Strike Pads | Accessories

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Bump Stops

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These innovative TeraFlex SpeedBump Bump Stops and/or Progressive Bump Stops meet the demand of high-performance driving. Composite construction combined with a progressive nature reduces suspension compression impacts and harshness when bottoming out whether driving off-road or on poorly maintained highways. Reducing this impact increases driver ability to maintain vehicle control as well as reduces the risk of bending an axle housing tube.

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All our bump stops feature a simple bolt-on installation and simply requires removal of the factory bump stop bell with no welding required. Additionally, these maintenance-free bump stops don’t require any adjustment or tuning.

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FEATURES & BENEFITS:

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  • Vehicle-specific tuned for high-speed performance 
  • Absorbs large impact energy progressively during compression to prevent bent axle tubes 
  • Quiet movement & function (no pad-slap clunk)
  • Maintenance-free, all composite construction 
  • Resistant to all types of environmental conditions (mud, salt, sand, dust, etc.) 
  • Subzero temperature flexibility reduces fatigue
  • Compatible w/ all suspension systems that retain factory axle spring mounting locations 
  • Simple installation – no welding required (JK/JKU)
  • Patented technology 
  • Limited lifetime warranty

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SpeedBump Bump Stops

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TeraFlex SpeedBump Bump Stops feature a self-lubricating Delrin acetal resin polymer shaft to withstand 1,000s of continuous cycles without wear or abrasion. The external shaft seal also prolongs shaft life by wiping and cleaning the shaft to prevent contaminants from entering the SpeedBump housing. 

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JK 2-DOOR & JKU 4-DOOR

SPEEDBUMP BUMP STOPS 

6” Lift SpeedBump Front & Rear Bump Stop Kit - All 4

6” Lift SpeedBump Front Bump Stop Kit - Pair

6” Lift SpeedBump Rear Bump Stop Kit - Pair

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4” Lift SpeedBump Front & Rear Bump Stop Kit - All 4

4” Lift SpeedBump Front Bump Stop Kit - Pair

4” Lift SpeedBump Rear Bump Stop Kit - Pair

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3-3.5” Lift Prerunner SpeedBump Front & Rear Bump Stop Kit - All 4

3-3.5” Lift Prerunner SpeedBump Front Bump Stop Kit - Pair

3" Lift Prerunner SpeedBump Rear Bump Stop Kit w/ Frame Bracket - Pair

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3” Lift SpeedBump Front & Rear Bump Stop Kit - All 4

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TJ & LJ UNLIMITED 

SPEEDBUMP BUMP STOPS

4-6” Lift SpeedBump Front Bump Stop Kit - Pair

4-6” Lift SpeedBump Rear Bump Stop Kit - Pair

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Progressive "Foam" Bump Stops

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TeraFlex Progressive “Foam” Bump Stops feature a performance-tuned closed-cell nitrogen charged microcellular polyurethane technology that will not fade or dissipate under extended heavy use to maintain its progressive nature. This material is unaffected by temperature extremes and retains its flexibility under thermal or sub-zero temperatures.

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JK 2-DOOR & JKU 4-DOOR

PROGRESSIVE BUMP STOPS  

2.5" Lift Progressive Bump Stop Kit - All 4

2.5-3.5” Lift Progressive Rear Bump Stop Kit - Pair

1.5” Lift Progressive Front Bump Stop Kit - All 4

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JK 2-DOOR & JKU 4-DOOR

SPEEDBUMP FRONT & PROGRESSIVE REAR BUMP STOPS 

3-3.5” Lift SpeedBump Front & Progressive Rear Bump Stop Kit - All 4

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Bump Stop Extensions | Bump Stop Strike Pads

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Proper bump stop and/or bump stop strike pad length is critical to prevent damage to suspension components, shock absorbers, and fenders.

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TeraFlex Front & Rear Upper Bump Stop Extensions retain the factory microcellular bump stop to progressively absorb impact. Simply “pop-in” to the factory bump stop tower for an easy installation.

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TeraFlex Front & Rear Bump Stop Strike Pads are designed to work in conjunction with the SpeedBump Bump Stop System and feature a simple bolt-on installation.

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JK 2-DOOR & JKU 4-DOOR   

BUMP STOP EXTENSIONS

2.75" Front Upper Bump Stop Extension Kit - Pair

2" Rear Upper Bump Stop Extension Kit - Pair

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JK 2-DOOR & JKU 4-DOOR

BUMP STOP STRIKE PADS

4-6” Lift 2.25" Front Lower Bump Stop Strike Pad Kit - Pair

2.5” SpeedBump Front Lower Bump Stop Strike Pad Kit - Pair

1.25" SpeedBump Front Lower Bump Stop Strike Pad Kit - Pair

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2.75” Rear Lower Bump Stop Strike Pad Kit - Pair

0.75” SpeedBump Rear Lower Bump Stop Strike Pad Kit - Pair

SpeedBump Rear Upper Bump Stop Strike Pad Kit - Pair

TJ & LJ UNLIMITED

BUMP STOP STRIKE PADS

4” Lift 2.25” LCG Front Upper Bump Stop Strike Pad Kit - Pair

3-4” Lift 2.25" Front Lower Bump Stop Strike Pad Kit - Pair

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4” Lift 2.25” LCG Rear Upper Bump Stop Strike Pad Kit - Pair

1.75” LCG Rear Lower Bump Stop Strike Pad Kit w/ Spring Retainer - Pair

3” Lift 1.5” Rear Upper Bump Stop Strike Pad Kit - Pair

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Accessories

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JK/JKU: SpeedBump Front Spring Bucket Jounce Tube Brace Kit

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The TeraFlex JK/JKU: SpeedBump Front Spring Bucket Jounce Tube Brace Kit adds an extra layer of protection to your suspension over the factory JK/JKU spring guide and jounce tube, which can deform during hard compression and suspension movement. This kit is designed only to work with TeraFlex SpeedBump Bump Stops.

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JK 2-DOOR & JKU 4-DOOR

JOUNCE TUBE BRACE

SpeedBump Front Spring Bucket Jounce Tube Brace Kit

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SpeedBump Front Bump Stop Adjustment Spacer Kit

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Use this Adjustment Spacer Kit to fine tune the final compression length of your suspension. Spacing down the SpeedBump Front Bump Stops effectively increases bump stop length to compensate for additional lift and/or larger tires. Recommended for 3” Lift SpeedBump Front Bump Stops.

JK/JKU | TJ/LJ

ADJUSTMENT SPACER KIT 

SpeedBump Front Bump Stop Adjustment Spacer Kit (0.25”, 0.75”, & 2”) - 3 Pair

SpeedBump Front Bump Stop Adjustment Spacer Kit (0.25” & 0.75”) - 2 Pair

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TJ/ LJ SpeedBump Mounting Bracket Kits

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These TeraFlex TJ/LJ SpeedBump Mounting Bracket Kits are required to mount SpeedBump bump stops on a TJ Wrangler or LJ Wrangler Unlimited with a 4-6” lift.

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TJ & LJ UNLIMITED 

SPEEDBUMP BUMP STOPS

SpeedBump Front Mounting Bracket Kit - Pair

SpeedBump Rear Mounting Bracket Kit - Pair

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SpeedBump Bump Stop Mounting Sleeves

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These TeraFlex SpeedBump Bump Stops Mounting Sleeves provide custom mounting locations for Prerunner SpeedBump Rear Bump Stops in custom applications. Weld the mounting sleeve to the frame to mount the rear bump stop.

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UNIVERSAL

SPEEDBUMP BUMP STOP MOUNTING SLEEVES

4" Stroke SpeedBump Bump Stop Mounting Sleeve Kit - Pair

3" Stroke SpeedBump Bump Stop Mounting Sleeve Kit w/ Integrated Clamp - Pair

3" Stroke SpeedBump Bump Stop Mounting Sleeve Kit - Pair

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Check out all of our TeraFlex Suspensions Lifts, Off-Road Performance Parts, and Jeep Accessories HERE!

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- Jason Udy 

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