Simpson Performance Products

Simpson Custom FRONT Vortex Seats w| Mounts |Sold in Pairs| - Arctic Cat Wildcat Trail | SportFREE SHIPPING
$1,171.80
Simpson Custom FRONT Vortex Seats w| Mounts |Sold in Pairs| - Arctic Cat Wildcat 1000 | X | 4XFREE SHIPPING
$1,171.80
Simpson Custom FRONT Vortex Seats w| Mounts |Sold in Pairs| - Can Am Commander | MaverickFREE SHIPPING
$1,251.80
Simpson Custom REAR Vortex Seats w| Mounts |Sold in Pairs| - Can Am Commander | MaverickFREE SHIPPING
$1,211.80
Simpson Custom Pro Sport Seats w| Mounts |Sold in Pairs| - Can Am Maverick X3FREE SHIPPING
$1,359.80
Simpson Custom Vortex Seats w| Mounts |Sold in Pairs| - Can Am Maverick X3FREE SHIPPING
$1,159.80
Simpson Custom Pro Sport Seats w| Mounts |Sold in Paris| - Polaris RZRFREE SHIPPING
$1,299.80
Simpson Custom Pro Sport Seat w| Mount - Polaris RZR RS1FREE SHIPPING
$649.90
Simpson Custom FRONT Vortex Seats w| Mounts |Sold in Pairs| - Polaris RZRFREE SHIPPING
$1,099.80
Simpson Custom Vortex Seat w| Mount - Polaris RZR RS1FREE SHIPPING
$549.90
Simpson Custom REAR Vortex Seats w| Mounts |Sold in Pairs| - Polaris RZR 4FREE SHIPPING
$1,099.80
Simpson Custom Vortex Rear Bench Seat - Polaris RZR 4 800 | XP 4 900SHARED SHIPPING
$949.95
Simpson Custom Vortex Rear Bench Seat - Polaris RZR XP 4 1000 | RZR XP 4 Turbo | 4 900SHARED SHIPPING
$949.95
Simpson Custom 170 Aggressor Seats w| Mounts |Sold in Pairs| - Polaris RZR 170FREE SHIPPING
$811.80
Simpson Custom Vortex Seat w| Mount - Polaris ACEFREE SHIPPING
$549.90
Simpson Custom Vortex Seats w| Mounts |Sold in Pairs| - Yamaha YXZ 1000 RFREE SHIPPING
$1,179.80
Simpson Custom Pro Sport Seats w| Mounts |Sold in Pairs| - Yamaha YXZ 1000 RFREE SHIPPING
$1,379.80
Simpson 2 Inch, 5 Point D3 Latch and Link Harness - Bolt InFREE SHIPPING
$109.95
Simpson 2 Inch, 5 Point D3 Latch and Link Harness - Clip InFREE SHIPPING
$109.95
Simpson 3 Inch, 5 Point D3 Latch and Link Harness - Bolt InFREE SHIPPING
$119.95
Simpson 3 Inch, 5 Point D3 Latch and Link Harness - Clip InFREE SHIPPING
$119.95
Simpson 2 Inch, 5 Point Latch and Link Harness - Bolt InFREE SHIPPING
$99.95
Simpson 2 Inch, 5 Point Latch and Link Harness - Clip InFREE SHIPPING
$99.95
Simpson 3 Inch, 5 Point Latch and Link Harness - Bolt InFREE SHIPPING
$109.95
Simpson 3 Inch, 5 Point Latch and Link Harness - Clip InFREE SHIPPING
$109.95
Simpson 2 Inch, 5 Point SFI Approved Off Road Racing Harness - Bolt InFREE SHIPPING
$109.95
Simpson 2 Inch, 5 Point SFI Approved Off Road Racing Harness - Clip InFREE SHIPPING
$109.95
Simpson 3 Inch, 5 Point SFI Approved Off Road Racing Harness - Bolt InFREE SHIPPING
$129.95
Simpson 3 Inch, 5 Point SFI Approved Off Road Racing Harness - Clip InFREE SHIPPING
$129.95
Simpson FRONT Stock Door Bags |Sold in Pairs| - Can Am Maverick X3SHARED SHIPPING
$139.95
Simpson FRONT Stock Door Bags |Sold in Pairs| - Polaris RZR XP 1000 | XP Turbo | S 1000 | S 900SHARED SHIPPING
$139.95
Looking for a few special accessories to make your machine stand out from all the rest? Search no more! At Side By Side Stuff we have the perfect items for you: top quality UTV harnesses and customizable seats from Simpson Performance Products that are sure to make you the envy of all your friends. Be the first in your group to add these awesome aftermarket accessories to your side by side and turn all your future rides into rides with style!

Designed and manufactured with safety, comfort, and performance in mind Simpson harnesses are unmatched in quality. Ensure that you and your passengers are safe on all your rides by investing in a product that is built to last.

Simpson, a very reputable manufacturer in the racing world, recently branched out to manufacturing seats for UTV and off-road vehicles. Combining their company with Twisted Stitch Seats in 2014, Simpson now produces high quality, hand crafted in the USA, custom seats for side by side enthusiasts looking to take their ride to the next level. With over 20 seat colors to choose from, endless color combinations, and many options available, you will no doubt be able to create the customized seats of your dreams for your side by side!

If you have any questions about these accessories or any other products available at SideBySideStuff.com, give us a call and one of our friendly staff members will be able answer your questions. We’re here to help you find the best aftermarket products available for your side by side!

View all Categories
Shop by Vehicle
View all Brands