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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
Synergy 4170-12 Heavy-Duty Ball Joint Set (Knurled)Replace the ball joints in your vehicle with the Synergy 4170 12 Heavy Duty Ball Joint Kit from GAP. These ball joints use a metal on metal bearing design, unlike the factory (plastic nylon bearing design), to improve durability and performance. A must for vehicles with lifts and larger tires that see off road use. Get rid of that steering wander and play caused by loose or worn out ball joints. While Jeep may have updated the JL JLU and JT steering
Replace the ball joints in your vehicle with the Synergy 4170-12 Heavy Duty Ball Joint Kit from GAP. These ball joints use a metal on metal bearing design, unlike the factory (plastic nylon bearing design), to improve durability and performance. A must for vehicles with lifts and larger tires that see off road use. Get rid of that steering wander and play caused by loose or worn out ball joints. While Jeep may have updated the JL / JLU and JT steering knuckle to use a dual load bearing upper and lower ball joint, they still kept the problematic nylon inner liner which is prone to premature wear. The Heavy Duty Ball Joints feature the latest design used in other ball joint applications with our proven design that are sure to stand the test of time.
Features:
- Fully Greaseable Metal On Metal Design For Prolonged Life
- Compatible With All Aftermarket Axle Shafts (Including RCV's) With No Modifications Needed
- Ball Joint Housing Is Manufactured From 1045 High Carbon Alloy Steel For A Strong, Smooth, Bearing Surface
- Ball Joint Dust Boots Are Made From An Industrial Grade, Wear/Tear Resistant Black Nitro-Butyl Rubber (NBR)
- Ball Joint Stud Is Manufactured From Induction Heat Treated 4140 Chromoly Steel For Maximum Strength & Reliability
- Ball Joint Bearing Race Is Manufactured From Sintered Graphite & Oil Impregnated Bronze For A Strong, Smooth, Bearing Surface
- Ball Joint Bearing Surface Area Is Considerably Larger Than Stock Due To Elimination Of The Inner Nylon Liner For A Longer Lasting Joint
- 12 Month Unlimited-Warranty
4170-12 Heavy-Duty Ball Joint Set Includes:
(2) Upper Ball Joint(2) Lower Ball Joint
Notes:
Metal on metal ball joints require a small break-in period of typically 100-500 miles to fully "seat" the bearing surfaces. During this time the steering may feel "sticky" or slow to "return to center". Once broken in, the steering will be smooth and tight.Knurled ball joints are required when replacing ball joints that have enlarged the axle end forging bores
It is up to the installer to verify the proper ball joint style is being used.
Part Number 4170-12 Includes (2) 4170-04
Synergy High Performance Grease (4119) recommended.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 895 reviews
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Product Reviews
★★★★★ 5
Excellent product at a very good price. I will buy it again.
This is an excellent product at a fair price. The cream creates a barrier that protects the skin, while mosturizes it. leaves hands very soft, and it doesn't feel greasy. I know that this is a favorite brand (Avene) in France, and Amazon offers it at a very good price. I will buy it again, from Amazon. I bought it this year in Paris, and it was more expensive there.
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Reviewed in the United States on May 27, 2015
★★★★★ 1
Drying formula and smell bad
Smell so bad and made my hands dry instead of moisturizing. The formula is watery. Maybe it’s fake or expired I am not sure.
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Reviewed in the United States on December 25, 2025
★★★★★ 5
Beautiful angel statue
Size: 7*5*13 in, Size: 7*5*13 in
Got this angel garden statue about three weeks ago to put in our backyard and we really like how it looks. The resin construction is detailed and well-made, depicting an angel with spread wings and three-dimensional flowers adorning the hair, collar, and skirt hem. The craftsmanship is impressive for the price, gives off a soft romantic vibe. The solar panel on the back charges during the day - they claim 8 hours for a full charge which seems about right with good sun exposure. As night falls, the string lights embedded in the flowers turn on automatically which is convenient. However, the lights are not very bright at all. They emit a warm glow but it’s pretty dim, more of a subtle accent rather than actual illumination. You can see the flowers lit up but it’s not going to light up your garden or anything. The soft tranquil glow they advertise is accurate - it’s definitely tranquil because it’s so faint. Despite the dim lighting, we still like the overall appearance and ambiance it creates. The angel design is elegant and the natural elements blend nicely with our garden decor. The statue is weather-resistant and has held up fine through rain and sun exposure so far. The automatic on/off feature works reliably with the solar sensor. The energy efficiency is good since it’s completely solar powered with no wiring needed. Setup was easy, just stake it in the ground where it gets sunlight. The symbolism of angels and flowers is nice for memorial or decorative purposes. The size is decent, not huge but noticeable in the garden. The resin material feels durable. Would make a thoughtful gift for someone who appreciates garden decorations. Price seems reasonable for what you get. Would I recommend it? Yeah if you want a decorative angel statue with subtle accent lighting, just don’t expect bright illumination at night.
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Reviewed in the United States on February 24, 2026
★★★★★ 4
Very nice resin sculpture but LED distracting
Size: 7*5*13 in, Size: 7*5*13 in
I was pleasantly surprised at the quality of this resin Angel statue. It looks better, in person, than shown in pictures. The features of the face, and wings, are very nice.
What I found distracting/detracting from my overall favorable opinion is that the LED lights are embedded in the flowers at the waist and base. This is distracting at night as they do not illuminate the face or wings but leaves that in darkness with just bright lights around the waist and base. If the lights were higher up, or more directional, perhaps embedded in the wings to light up the face, torso and wings it would be so much better.
To use the solar lights at night, care should be taken to ensure the back is directed toward light and that nothing surrounds the statue to block proper charging, The solar panel in back is very small and will not provide much recharging unless in direct light. If placed on the ground, with plants around it, the panel will be shaded which is not efficient.
I am very pleased with the actual sculpture and would rate it higher but, I personally find the addition of the solar lights is superfluous, with no real additional value to an otherwise very nice sculpture. As a result, I intend to turn off the solar light and illuminate this with a garden light/spot.
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Reviewed in the United States on February 9, 2026
★★★★★ 5
Great Value, Lasts All Night
Size: 7*5*13 in
Impressed with the quality and performance. The angel is sturdy and weather-resistant. The solar panel charges efficiently even on partly cloudy days, and the LED light stays on from dusk until morning. It provides a lovely, gentle light that’s both decorative and functional. Excellent purchase for the price!
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Reviewed in the United States on February 8, 2026