New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

SPI

1803 products
Brand Show all Brand
Vehicle Type Show all Vehicle Type
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
43% Off
Spi SM-09256-1 OEM Style Piston Kit - Standard Bore 73.25mm
$64.28
$64.28
$112.95
Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls. All pistons, rings, pins and circlips are manufactured to OEM specifications. All individual...
6% Off
Spi SM-09266R Ring Set - 73.80mm
$16.79
$16.79
$17.95
Ring Sets by Sports Parts.Vehicle Fitment:2014 Arctic Cat M 6000 Sno Pro 153 2014 Arctic Cat ZR 6000 El Tigre 2014 Arctic Cat ZR 6000 El Tigre ES
Spi SM-09276R Spi Piston Ring Set
$15.21
$15.21
Includes 1 ring set. Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls. All pistons, rings, pins and circlips are manufactured to OEM specifica...
17% Off
Spi SM-09280R Ring Set - 72.00mm
$12.45
$12.45
$14.95
Ring Sets by Sports Parts.Vehicle Fitment:2013-2016 Ski-Doo MX Z X-RS E-TEC 600 HO 2017 Ski-Doo MX Z X-RS Iron Dog E-TEC 600 HO
Spi SM-09281R Ring Set - 82.00mm
$15.21
$15.21
Piston RingVehicle Fitment:2018 Ski-Doo Freeride E-TEC 850 137 2018 Ski-Doo Freeride E-TEC 850 146 2018 Ski-Doo Freeride E-TEC 850 154 2018 Ski-Doo Freeride E-TEC 850 165 2017-2018 Ski-Doo MX Z TNT...
11% Off
Spi SM-09282R SPI Ring Set
$13.38
$13.38
$14.95
High-silicon content Hypereutectic cast aluminum material for less heat expansion. Hard anodized crowns are 75% stronger than non-anodized, providing minimal expansion and reducing the chance of co...
12% Off
Spi SM-09287R Ring Set - 85.00mm
$18.49
$18.49
$20.95
Ring Sets by Sports Parts.Vehicle Fitment:2017-2018 Polaris 800 PRO-RMK 155 2017-2018 Polaris 800 PRO-RMK 155 3in. 2017 Polaris 800 PRO-RMK 155 LE 2017-2018 Polaris 800 PRO-RMK 163 2017-2018 Polari...
Spi SM-09288R Spi Piston Ring
$15.21
$15.21
Includes 1 ring set. Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls. All pistons, rings, pins and circlips are manufactured to OEM specifica...
32% Off
Spi SM-09339 Rod Kit - MAG and PTO
$80.30
$80.30
$117.95
Made to OEM specs from SCM420 shot peened forged chromoly steel.Vehicle Fitment:2018 Arctic Cat M 8000 Mountain Cat 153 2018 Arctic Cat M 8000 Mountain Cat 162 2018 Arctic Cat M 8000 Sno Pro 153 20...
47% Off
Spi SM-09340 Rod Kit - MAG and PTO
$78.53
$78.53
$147.95
Center to Center (mm): 120. Small End Bore (mm): 25. Big End Bore (mm): 31. Small End Width (mm): 20. Big End Width (mm): 20. Crank Pin Diameter (mm): Crank Pin. Crank Pin Length (mm): Not Included...
51% Off
Spi SM-09342 Rod Kit - MAG
$168.40
$168.40
$345.95
Replaces OEM # 2205687. Made to OEM specs from SCM420 shot peened forged chromoly steel.Vehicle Fitment:2012 Polaris 600 IQ Racer 2015-2018 Polaris 600 SwitchBack PRO-S 2014-2016 Polaris 800 INDY ...
37% Off
Spi SM-09344 Rod Kit
$72.61
$72.61
$115.95
Center to Center (mm): 120. Small End Bore (mm): 25. Big End Bore (mm): 30. Small End Width (mm): 17. Big End Width (mm): 17. Pin Diameter (mm): 24. Pin Length (mm): 50. Big End Bearing (mm): 24x30...
43% Off
Spi SM-09347 Rod Kit - MAG and PTO
$58.15
$58.15
$101.95
Made to OEM specs from SCM420 shot peened forged chromoly steel.Vehicle Fitment:2015 Arctic Cat M 6000 153 2015 Arctic Cat M 6000 ES 153 2016 Arctic Cat M 6000 Limited 153 2017 Arctic Cat M 6000 SE...
31% Off
Spi SM-09348 Rod Kit
$76.75
$76.75
$111.95
Center to Center (mm): 132. Small End Bore (mm): 25. Big End Bore (mm): 35. Small End Width (mm): 18. Big End Width (mm):18. Pin Diameter (mm): 27. Pin Length (mm): 55. Big End Bearing (mm): 27x35x...
42% Off
Spi SM-09350 Crank Web
$165.44
$165.44
$284.95
Type 1. Replaces OEM # 2203584. Includes rod kit and web.. Crank Web.Vehicle Fitment:2008 Polaris 600 Dragon IQ 2009 Polaris 600 Dragon SP 2008-2010 Polaris 600 Dragon SwitchBack 2009 Polaris 600 ...
35% Off
Spi SM-09352 Rod Kit - MAG and PTO
$67.29
$67.29
$102.95
Center to Center (mm): 136. Small End Bore (mm): 27. Big End Bore (mm): 35. Small End Width (mm): 18. Big End Width (mm): 18. Crank Pin Diameter (mm): 27. Crank Pin Length (mm): 60. Big End Bearing...
35% Off
Spi SM-09355 Rod Kit - MAG and PTO
$77.94
$77.94
$119.95
Small End Bore (mm):25. Big End Bore (mm):36. Small End Width (mm):18. Big End Width (mm):18. Crank Pin Diameter (mm):crank pin not included. Crank Pin Length (mm):crank pin not included. Big End B...
47% Off
Spi SM-09357 Rod Kit - MAG and PTO
$73.80
$73.80
$137.95
Small End Bore (mm):23. Big End Bore (mm):30. Small End Width (mm):21.85. Big End Width (mm):20. Crank Pin Diameter (mm):24. Crank Pin Length (mm):62.1. Big End Bearing (mm):18 x 23 x 24. Small End...
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle