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Polaris ACE Roofs
Ride an ACE at noon in July and there is nothing between your head and the sun. The cab is one seat wide and open on top, so a two-hour trail loop turns into a sunburn and an afternoon squall turns into a soaked shirt before you reach the truck. A molded top fixes both. The three roofs on this page are all polyethylene: EMP's Cooter Brown top is thermoformed at nearly 3/16 inch starting gauge from the same material ATV fenders use, Open Trail goes heavier at 0.375 inch HDPE, and QuadBoss runs a slim UV-stabilized panel with a molded-in cargo tray for gear you would rather not stack on the seat.
Fitment on an ACE top splits by model and year, and no single roof covers the whole family. The QuadBoss 320570 fits the ACE 325 (2014-2016), the 570 (2015-2019) and the 900 (2016). The Open Trail 457-0229 covers the ACE 500 (2017-2019), the 570 (2015-2019) and the 900 SP and XC (2016-2019). Run a 570 and you have every option on this page. Run a 325 or a 500 and there is exactly one top built for your machine, which is worth knowing before you order. The ownership and management team here has 100+ combined years in the UTV industry, long enough to know which parts come back and which ones do not. We are the fitment experts. Text us at (920) 644-5280, call (920) 543-5376, or hit the live chat on any page and we will match your machine before you spend a dollar.
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Buyer’s Guide: Polaris ACE Roofs for the 570, 900, 500 and 325 — Molded Poly Tops
|
Type |
Material and specs |
Best for |
What you give up |
|
Thermoformed poly, shoulder coverage |
Nearly 3/16 inch starting gauge polyethylene, rubber-coated metal straps, stainless EMP badge, front-draining gutters, made in Cleveland, Ohio |
Riders who want coverage past the shoulders and the fastest install on the page |
Strap mounting is less rigid than bolted clamps, and shared shipping adds $39.99 |
|
Heavy HDPE, bolt-on |
0.375 inch high-density polyethylene, five galvanized rubber-coated P-clamps bolted to the roof, instructions included |
The 500 and anyone who parks outside and wants the thickest panel here |
Thickest and heaviest overhead, and shared shipping adds $34.99 |
|
Slim HDPE with cargo tray |
UV-stabilized polyethylene, molded-in drains, molded-in cargo tray on some models, made in USA |
The 325 and riders hauling gear on top of a one-seat machine |
Slimmer panel than the 0.375 inch option, and the tray fits some models only |
How ACE Tops Mount, and Why That Decides Everything
Every roof on this page is polyethylene, so material is not what separates them. Mounting is. The Open Trail top bolts on with five galvanized steel P-clamps that wrap the roll bar, and the clamps carry a rubber coating so they do not chew the powder coat or streak rust down a black panel after two winters outside. EMP takes the faster route with rubber-coated metal straps, which get the top on in a few minutes without tools you do not already own, at the cost of some rigidity. QuadBoss molds its drains into the panel rather than relying on the edge to shed water, and EMP runs gutters that push water forward instead of down the back of your neck at a stop.
The tells worth checking on any ACE top are the same three. Look at how many points touch the cage, because a panel clamped in five places stays quiet at 40 mph and one clamped in two does not. Look at whether the hardware is coated or bare, since bare zinc on an open machine stored outdoors is a rust streak waiting to happen. Look at whether water is routed on purpose. Gutters and molded drains are cheap to design and the roofs that skip them dump straight onto the rider.
From the shop: the most common ordering mistake on ACE tops is shopping by model name without checking the year. The 325 and the 500 never overlapped in production, they take different roofs, and "ACE 570" alone spans five model years. Send us your year and model and we will confirm the part number. If you also run a Polaris ACE windshield, mention it, because the roof and the windshield have to agree at the same seam on the cage.
What an ACE Roof Costs, Low to High
This is one of the friendlier categories on the site, and all three tops land inside an $80 window. The entry point is the Open Trail molded top at $159.99, down from $179.99, and the budget option here is also the thickest panel on the page at 0.375 inch, which is unusual. The middle of the range is EMP's Cooter Brown top at $209.95, and that is where most ACE owners land: shoulder-width coverage, front-draining gutters, a stainless badge and a strap install that takes minutes. The top of the range is the QuadBoss roof at $238.99, and what earns the extra money is the molded-in cargo tray, which turns the roof of a one-seat machine into the only real storage shelf it has.
Two add-ons sit alongside the roofs in this category rather than replacing one. Budget $107.99 for the Kolpin foam liner and $528.95 for the SuperATV roof fan, and note that the fan costs more than twice the priciest top here.
Every roof on this page carries our risk-free 90-day return policy, and if you find one cheaper elsewhere our price match guarantee covers it. On warranty: the most common warranty is between 3–6 months, but Everything Polaris RZR does offer extended 1- and 2-year warranties on all products if that is something you are interested in — you can add the extended warranty right at checkout. The SuperATV roof fan carries its own 90-day manufacturer warranty against defects on top of that. If you want to see how we handle it when something goes wrong, read what ACE and RZR owners say about us.
Top Selling Polaris ACE Roof Brands
- EMP thermoforms the Cooter Brown top from polyethylene at nearly 3/16 inch starting gauge, extends the panel past the shoulders, and builds it in Cleveland, Ohio. The center and rear humps are shaped to clear an optional stereo and speakers.
- QuadBoss adds UV stabilizers to its polyethylene and molds the drains and a cargo tray directly into the panel rather than bolting accessories on later. Made in USA.
- Open Trail runs the heaviest panel in the category at 0.375 inch HDPE and mounts it with five galvanized, rubber-coated P-clamps that bolt through the roof instead of strapping to it.
Top 5 Polaris ACE Roof Products
- Polaris ACE Molded Plastic Top by Open Trail ($159.99): 0.375 inch HDPE on five bolted, rubber-coated P-clamps. The pick for ACE 500 owners, who have no other option, and for anyone whose machine lives outside year-round.
- Polaris ACE Roof by QuadBoss ($238.99): UV-stabilized polyethylene with molded-in drains and a molded-in cargo tray on some models. Right for ACE 325 owners and for hunters who need to move a pack off the only seat.
- Polaris ACE Cooter Brown Plastic Top by EMP ($209.95): thermoformed poly that extends past the shoulders, with gutters that drain forward. For riders who want the widest coverage and an install measured in minutes.
- Polaris RZR Roof Foam Liner Insulation by Kolpin ($107.99): an add-on, not a roof. A 5mm adhesive foam pad, 38 by 60 inches, cut to fit, that kills panel drum and squeak. Designed for the underside of metal roofs, so check the listing before pairing it with a poly top.
- Polaris RZR Roof Fan by SuperATV ($528.95): also an add-on. A universal 240 CFM fan with four 360-degree vents, two LED cab lights and a washable filter. It fits any flat roof and ships with a cutting template, which means committing to a hole in a top you just bought.
Polaris ACE Roof FAQ
Which ACE roof fits my model and year?
The QuadBoss 320570 covers the ACE 325 (2014-2016), 570 (2015-2019) and 900 (2016). The Open Trail 457-0229 covers the ACE 500 (2017-2019), 570 (2015-2019) and 900 SP and XC (2016-2019). The 570 takes any top on this page. The 325 and the 500 each have one. Send us your year and model and we will confirm it before you buy.
Do I have to drill anything to put a top on an ACE?
Not for the roofs. The Open Trail top clamps to the existing roll bar with P-clamps and ships with the hardware and full instructions. The EMP top uses rubber-coated straps and needs almost no tools. The one item here that does require cutting is the SuperATV roof fan, which uses a template to cut its opening in whatever top you run.
Will a poly top rattle or drum in the rain?
Thickness and mounting decide that more than material. The 0.375 inch Open Trail panel on five clamped points is the quietest setup on this page. If you already run a thinner top and hear it, the Kolpin foam liner is the cheap fix, though it is spec'd for metal roof undersides, so confirm the adhesive suits your panel before ordering.
Are aftermarket ACE tops as good as the Polaris Lock & Ride sport roof?
The factory roof is one well-made option in one configuration. The aftermarket gives you a real choice at the same build level: a 0.375 inch HDPE panel from Open Trail, a molded cargo tray from QuadBoss that the factory top does not offer, or EMP's shoulder-width coverage with front-draining gutters, all typically below OEM money and all designed to go on in a driveway. None of these is a rollover structure. What they do is block sun, rain, hail and branches.
Can I haul anything on top of an ACE?
Only if the roof was built for it. The QuadBoss top molds a cargo tray into the panel on some models, which is the one place a single-seat machine can carry gear without giving up the seat. Do not load a top that has no molded tray. Strap-mounted and clamp-mounted panels are rated to protect you, not to carry weight.
Written and reviewed by the Everything Polaris RZR fitment and marketing team — riders and product specialists who work with these machines daily. Spot an error, or have a suggestion that would make this guide more helpful? Email us at marketing@gearup2go.com — we read every note.
Last updated: August 2026
