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

1804 products
Brand Show all Brand
Vehicle Type Show all Vehicle Type
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
18% Off
Spi WB-000-276 Defender Runners
$32.81
$32.81
$39.95
SPI Code: 276 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
4% Off
Spi WB-000-312 Defender Runners - Simmons
$38.48
$38.48
$39.95
SPI Code: 312. For Simmons Flex Ski/Original and Gen II 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that prov...
Spi WB-000-313 Defender Runners - Simmons
$45.98
$45.98
SPI Code: 313. For Simmons Gen III Flex Ski 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ult...
37% Off
Spi WB-000-314 Defender Runners - Simmons Dual Runner
$25.12
$25.12
$39.95
Uses 1 X 314 & 1 X 313 each 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensil...
8% Off
Spi WB-000-420 Defender Runners
$50.55
$50.55
$54.95
SPI Code: 420 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
8% Off
Spi WB-000-426 Defender Runners
$50.55
$50.55
$54.95
SPI Code: 426 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
8% Off
Spi WB-000-455 Defender Runners
$50.55
$50.55
$54.95
SPI Code: 455 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
22% Off
Spi WB-000-464 Defender Runners
$43.05
$43.05
$54.95
SPI Code: 464 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
8% Off
Spi WB-000-477 Defender Runners
$50.55
$50.55
$54.95
SPI Code: 477 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
14% Off
Spi WB-000-478 Defender Runners
$34.24
$34.24
$39.95
SPI Code: 478 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
5% Off
Spi WB-000-614 Defender Runners
$52.34
$52.34
$54.95
SPI Code: 614 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
8% Off
Spi WB-000-616 Defender Runners
$50.55
$50.55
$54.95
SPI Code: 616 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
8% Off
Spi WB-000-619 Defender Runners
$50.55
$50.55
$54.95
SPI Code: 619 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
Spi WB-000-635 Defender Runners
$39.96
$39.96
SPI Code: 635 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
8% Off
Spi WB-000-636 Defender Runners
$36.59
$36.59
$39.95
SPI Code: 636 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
8% Off
Spi WB-000-640 Defender Runners
$50.55
$50.55
$54.95
SPI Code: 640 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
22% Off
Spi WB-000-643 Defender Runners
$43.05
$43.05
$54.95
SPI Code: 643 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
8% Off
Spi WB-000-657 Defender Runners
$50.55
$50.55
$54.95
SPI Code: 657 7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive cornering. Carbides are made of yg13 tungsten that provides the ultimate tensile strength for ext...
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