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Hyper-Flex System Complete Bushing Kit; Black (07-18 Jeep Wrangler JK 4-Door)
Find parts that fit my vehicle Item J135942
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Hyper-Flex System
- Black Finish
- Master Set
- Superior Performance Polyurethane
- Resistant to Oils, Coolants, UV Exposure, and Pollutants
- Outlasts Rubber by a Factor of 5 to 1
- Improves Handling, Control, and Suspension Stability
- Maintains Proper Caster and Camber Alignment
- Reduces Wheel Hop During Quick Acceleration
- Enhances Braking Control
- Made in America
- Fits 07-18 Jeep Wrangler JK 4-Door
Description
High-Performance Suspension Upgrade. The Hyper-Flex System Complete Bushing Kit in Black is designed to enhance your vehicle’s suspension performance by providing durable, long-lasting polyurethane bushings. This kit replaces weaker rubber components, improving overall handling, stability, and control for more responsive driving on and off the road.
Construction and Appearance. Manufactured from superior performance polyurethane, these bushings are engineered to resist the harsh effects of oils, coolants, UV rays, and other environmental pollutants. The product features a smooth black finish that contributes to both aesthetics and durability under demanding conditions.
Installation. Installation requires moderate mechanical skill and is designed as a direct replacement for OEM bushings, enabling a straightforward swap without any vehicle modifications or additional drilling.
Application. Specifically engineered for the 07-18 Jeep Wrangler JK 4-Door, delivering improved suspension performance tailored to this model’s unique requirements.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
What's in the Box
- (8) 2911 lower control arm bushing.
- (4) 15.10.568.39 (1.00" x .563" x 2.625" sleeve).
- (4) 2902 Upper control arm bushing at frame.
- (2) 15.10.613.39 (1.00" x .500" x 2.00" sleeve).
- (1) 15.05.94.40 (M12 x 1.75mm x 80mm Bolt).
- (1) 15.07.39.40 (M12 x 1.75mm Flange nut).
- (2) 3354 Upper axle bushing.
- (1) 3353 Upper axle bushing.
- (1) 3362 Upper axle bushing.
- (2) 15.10.651.39 (.750" x .500" x 2.040" sleeve).
- (1) 17577 installation instructions.
- (8) 2891 upper control arm bushings.
- (8) 2892 lower control arm bushings.
- (4) 15.10.587.39 (1.00" x .563" x 2.340" sleeve).
- (4) 15.10.568.39 (1.00" x .563" x 2.625" sleeve).
- (1) 17594 installation instructions.
- (2) 6113 bump stop.
- (2) 6332 bump stop.
- (2) 5930 sway bar bushings.
- (2) 8376 end link bushings.
- (2) 15.10.564.39 (.750" x .480" x 1.500" sleeve).
- (2) 15.03.57.39 (1.250" x .500" x .080" washer).
- (1) 17073 installation instructions.
- (2) 5931 sway bar bushings.
- (2) 15.10.564.39 (.750" x .480" x 1.500" sleeve).
- (2) 8376 end link bushings.
- (2) 15.03.57.39 (1.250" x .500" x .080" washer).
- (1) 17073 installation instructions.
- (1) 7141 track bar bushing frame side.
- (1) 15.02.49.39 (1.563" x .1.323" x 1.00" shell frame side).
- (1) 7142 track bar bushing axle side.
- (1) 15.02.50.39 (1.450" x 1.260" x 1.00" shell axle side).
- (2) 15.10.392.39 (.875" x .563" x 1.600" sleeve).
- (1) 17595 installation instructions.
- (2) 7141 track bar bushing frame side.
- (2) 15.02.49.39 (1.563" x .1.323" x 1.00" shell).
- (2) 15.10.392.39 (.875" x .563" x 1.600" sleeve).
- (1) 17P17632 installation instructions.
- (12) 4301.
- (12) 4137.
- (4) 15.03.14.39 (2.50" x .500" x .125" Flat washer POS 1).
- (48) 15.03.69.39 (.813" x .375" x .122" Flat washer ALL POS).
- (2) 15.03.65.39 (1.00" x .500" x .195" Flat washer POS 1 TOP).
- (10) 15.03.27.39 (2.50" x .500" x .187" Flat washer POS 2 - 6 TOP).
- (2) 15.03.24.39 (2.50" x .625" x .187" Flat washer POS 6 08-11).
- (24) 15.05.13.39 (3/8-16" x 1-1/4" Bolt ALL POS).
- (2) 15.05.89.39 (M12 x 1.75 x 100mm Bolt POS 1).
- (24) 15.07.01.40 (3/8-16" Nylock nut ALL POS).
- (2) 15.07.27.40 (M12 x 1.75 Flange locknut POS 1).
- (12) 15.08.22.39 (Adapter plate ALL POS).
- (12) 15.10.504.39 (.750" x .563" x 2.350" Sleeve).
- (1) 17576 (this instruction sheet).
Tech Specs
4.7
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Will It Fit My Wrangler
- JK Rubicon 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
- JK Wrangler 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
