superatv u joint for polaris sportsman/ace/rzr 800/900 / 1000 / turbo | ranger 570/800 / 900/1000 (see fitment) | made of 4340 chromoly steel | 2x as strong as stock! superatv.com <p><strong>heavy-duty u-series u-joint</strong></p> <ul> <li>direct polaris oem replacement needle bearing u-joint</li> <li>twice as strong as stock</li> <li>4340 chromoly steel body</li> <li>3-month warranty against breakage</li> </ul> <p><strong>bigger, better u-joints</strong></p> <p>we were tired of blowing u-joints and ruining our ride, that’s why we built better, stronger u-joints that can handle the power of any polaris utv or atv. our heavy-duty u-joint is twice as strong as stock, and our needleless u-joint is nearly 3x stronger than stock. whether you want to replace your busted u-joint or upgrade before you break something, our joints will increase the strength longevity of both your oem and superatv polaris prop shafts. </p> <p><strong>heavy-duty u-series: a super strong u-joint upgrade</strong></p> <p>we make our replacement heavy-duty u-joint with 4340 chromoly steel; whereas stock is made from plain carbon steel. that change alone makes our u-joint twice as strong as stock, so you can count on it to keep you going. you’ll have confidence to drive harder and keep the pedal down longer without worrying about damaging your drivetrain or prop shaft. it’s the ultimate replacement u-joint.</p> <p><strong>bounty series: strength by design</strong></p> <p>we designed our bounty series u-joint from the ground up to eliminate all the oe weak points. the absence of needle bearings in our u-joint means it will never wear from needles rusting. it is 30% larger than the oe joint and made of 4340 chromoly steel with 630 bronze caps. we even include grease fittings in the caps for easy servicing.</p> <p>it’s important to grease your bounty series u-joints regularly, so you continue to have a joint that doesn’t fail or rust even if you bury it in mud and water every weekend. they’re designed for smooth operation. high-performance products don’t like being neglected—grease bounty series u-joints after every ride.</p>