BIG BORE XD® Cylinder Assist® Kit – GM 2500 / 3500 4WD – Straight Axle Conversion
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
Description
Description
Swapping a Dana 60 under your GM 2500 or 3500 and want steering that can handle it? This BIG BORE XD Cylinder Assist Kit is built for straight axle conversions and off-road setups that need serious turning power. Whether you're rock crawling, trail running, or just want your steering to feel solid again, this kit gives you the muscle to turn big tires like they’re stock.
PSC’s been leading the way in Cylinder Assist systems for GM trucks, and this kit includes everything you need for a clean, bolt-on install—no guesswork, no piecing parts together. You’ll get our top-of-the-line steering gear, high-performance pump kit with remote reservoir, assist cylinder with hardware, and a hose kit to tie it all together.
Why Choose FASS Motorsports?
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