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Description
Polaris RZR 4 900 RackBoss Heavy Duty Rack And Pinion by SuperATVFREE SHIPPING IN THE LOWER 48 STATES Polaris RZR 4 900 RackBoss Heavy Duty Rack And Pinion DETAILS Tackle the trails with confidence! Let SuperATV's RackBoss rack and pinion system steer you in the right direction. Designed to withstand extreme abuse from massive tires, monster whoops, and the toughest of terrains. Riding can wreak havoc on your steering system. Forget dealing with sloppy steering and upgrade to the industry's leading steering
FREE SHIPPING IN THE LOWER 48 STATES
Polaris RZR 4 900 RackBoss Heavy Duty Rack And Pinion
DETAILS
Tackle the trails with confidence! Let SuperATV's RackBoss rack and pinion system steer you in the right direction. Designed to withstand extreme abuse from massive tires, monster whoops, and the toughest of terrains. Riding can wreak havoc on your steering system. Forget dealing with sloppy steering and upgrade to the industry's leading steering assembly - RackBoss.
SuperATV spared no details with RackBoss and worked tie rod end to tie rod end to engineer not only the strongest, but the longest-lasting rack and pinion on the market. You want bullet proof? Try a housing that has 40% more material giving you added strength where it's needed most - no more cracked housings! You want longevity? Utilizing a 15% bigger rack gear and a wear-resistant Teflon bushing, RackBoss showed no sign or wear or fatigue after 50,000 strokes compared to competition showing obvious wear at 30,000 strokes.
At SuperATV, we understand the need for bulletproof strength and unmatched durability. To ensure an exceptional product, we've increased the size of our tie rod ends, added misalignment bushings, and finished it with the optimal blend of materials and heat treating. Our high strength 4130 Chromoly end is oversized allowing for an increased bearing surface area, leaving you with all-out strength, durability and reliability.
Z-Bend Heavy-Duty Rack and Pinion
Select Z-Bend Tie Rods for your big lift kit and stay in control. Our Z-bend tie rods are specially designed with steel gussets that give you the strength you need with 6" or more of lift. The solid Z-bend tube is made with 4140 steel. The bend is the only way to reach the spindle on a big lift kit without overextending your joints, and it comes with the same high strength 4130 Chromoly tie rod ends that make sure your wheels turn where you want them too no matter how big they are.
SuperATV spared no details with RackBoss and worked tie rod end to tie rod end to engineer not only the strongest, but the longest-lasting rack and pinion on the market. You want bullet proof? Try a housing that has 40% more material giving you added strength where it's needed most - no more cracked housings! You want longevity? Utilizing a 15% bigger rack gear and a wear-resistant Teflon bushing, RackBoss showed no sign or wear or fatigue after 50,000 strokes compared to competition showing obvious wear at 30,000 strokes.
At SuperATV, we understand the need for bulletproof strength and unmatched durability. To ensure an exceptional product, we've increased the size of our tie rod ends, added misalignment bushings, and finished it with the optimal blend of materials and heat treating. Our high strength 4130 Chromoly end is oversized allowing for an increased bearing surface area, leaving you with all-out strength, durability and reliability.
Z-Bend Heavy-Duty Rack and Pinion
Select Z-Bend Tie Rods for your big lift kit and stay in control. Our Z-bend tie rods are specially designed with steel gussets that give you the strength you need with 6" or more of lift. The solid Z-bend tube is made with 4140 steel. The bend is the only way to reach the spindle on a big lift kit without overextending your joints, and it comes with the same high strength 4130 Chromoly tie rod ends that make sure your wheels turn where you want them too no matter how big they are.
FITMENT
- Polaris RZR 4 900 : 2015-2018
- Polaris RZR S4 900 : 2018
1823994, 1824349
FEATURES
- Rider tested and approved
- 65% larger housing
- 15% larger rack gear
- 5mm thick carbon steel mounting plates
- 10.9 grade hardware
- Internal Teflon bushing for unmatched longevity
- Increased tie rod bearing size for increased strength
- Easy bolt-on design
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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
4.1 ★★★★★
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Product Reviews
★★★★★ 5
Excellent choice for a gentle daily lotion
I have dry, mature skin, so I’m always looking for a lotion that actually hydrates without feeling heavy or irritating. I’ve been using the Koji White Body Lotion and it’s been a really nice addition to my routine. The formula feels lightweight but still moisturizing enough for my dry skin. It absorbs quickly and doesn’t leave a sticky or greasy film, which I really appreciate.
I like that it contains kojic acid and papaya extract. Over time my skin has looked a bit smoother and more even, and it definitely feels softer after applying. The lotion is pH balanced and free from parabens and artificial dyes, which makes it gentle enough for everyday use on my more mature, sensitive skin.
Another thing I enjoy is the light, pleasant scent, it’s subtle and fresh without being overpowering. Overall, it keeps my skin feeling hydrated, nourished, and comfortable throughout the day, and I’ve had no irritation. It’s a good daily lotion if you want something moisturizing with skin brightening ingredients that still feels gentle.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Silky, Effective Body Lotion With Strong Scent
In the winter, my skin is prone to becoming very dry and flaky. I ordered this "Kojic Acid & Papaya Body Lotion - Exfoliating, Hydrating, Moisturizing, Skin Care for Sun-Damaged Skin" by Koji White hoping it could help keep my skin from feeling dry and itchy. I ordered this lotion in mid Dec 2025, and the bottle is labeled with a manufacturing date in late Oct 2025 and an expiration date of Oct 2028. I’d consider this a very fresh product. The pump works smoothly, and I didn’t have any trouble getting it to dispense lotion. The label lists Thailand as the country of manufacture. I also liked that the listing describes the product as vegan and free of animal testing. I’ve been vegetarian for about 30 years, so this matters to me.
I’m aroma sensitive, and this lotion lists fragrance as one of the ingredients, which is always a gamble for me. I definitely detect tropical fruity notes, and papaya is listed in both the name and ingredient list. There’s also a noticeable floral scent. I don’t usually like floral fragrances, but the fruity and floral scents complement each other fairly well. Unfortunately, the scent is much stronger than I prefer and seems to linger.
I really like how this lotion feels on my skin. It’s a little less creamy than I expected given how hydrating it is, but it applies smoothly and evenly. It absorbs quickly without leaving my skin feeling sticky or greasy. My skin feels hydrated and silky smooth after applying, and it’s made a noticeable difference in how the skin on my legs looks and feels. Unfortunately, I’ve only been able to use it on my legs when I’m wearing pants because the fragrance is too intense for me. I love the results and wish I could comfortably use it all over.
Overall, I really like this lotion. It has everything I look for to help prevent dry winter skin. The only drawback for me is that it’s more heavily scented than I prefer. At the time of my order, the 250 ml (8.45 oz) bottle cost $20. Given the quality and performance, that feels like a good value. For people who enjoy more strongly scented products, this lotion could be an excellent choice. Since fragrance preference is so personal, I won’t be deducting any stars from my rating.
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Reviewed in the United States on January 1, 2026
★★★★★ 3
Smells good
Smells good and not greasy
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Reviewed in the United States on June 1, 2026
★★★★★ 4
Lovely!
I have been using this Kojic Acid and Papaya body lotion, and it is just a lovely lotion with a great scent. That papaya gives it such a sweet, tropical aroma that makes me feel like I’m on a bit of a vacation every time I put it on after my morning shower.
It’s been very hydrating for my skin, and I’ve noticed it has a nice exfoliating quality that helps smooth out those rough patches, especially on my elbows and knees. It’s a real comfort to know that it’s vegan and paraben-free, so I don't have to worry about any harsh chemicals while I’m trying to take care of sun-damaged areas. The 8.45-ounce bottle is a perfect size for the vanity, and the lotion itself sinks right in without leaving me feeling greasy, which is a real plus when I’m trying to get dressed in a hurry.
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Reviewed in the United States on January 26, 2026
★★★★★ 5
Es muy rica
Excelente
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Reviewed in the United States on June 5, 2026