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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
For Your Every Summer RSVP, with Code: SUMMER15
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
by
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
4.3 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Buy lots of them!
Size: X-Large Big Tall, Color: Blue
My husband is big and tall, he wears XXL, these shirts are long enough for his waist, wide enough for his shoulders. They are very soft. They wear well. If you leave them in the dryer too long, it is easy to get the wrinkles out. Mist it with water and throw them back in and Wal-La no wrinkles. Love these shirts. Very well made.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
★★★★★ 5
True to size and great design
Color: White, Size: X-Large
I loved the shirt. It was sized to fit my body type. Not to big, not to small. The design is amazing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
★★★★★ 5
Watch size!!!👍
Color: Gold Yellow, Size: XX-Large, Color: Gold Yellow, Size: XX-Large
Well, right outta the bag it fits Perfectly!!! I love it what more could I say? Very delighted!!! I can even button the top button😧😮🤪🤜🤛👏👏👏👏👏
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Reviewed in the United States on May 25, 2026
★★★★★ 4
Shirt
Color: Navy Blue, Size: Large
Good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
★★★★★ 5
Great looking shirt
Color: Royal Blue, Size: XX-Large
My husband looked great in this shirt. It did not wrinkle easily
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
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