Special Offers

Aren't you smart! You tracked down our secret promo code page. This is where we display the active deals available to our customers. Check back often for the latest offers, coupons and promotions!

$15 OFF $200+, Use Code: WELCOME2020

Welcome to Team JST! As a special thanks for joining our team, we invite you to enjoy $15 off your next purchase of $200+ on our website! Just use code WELCOME2020 during checkout! Valid for first time customers only, can only be used once for purchases over $200, cannot be combined with other offers, some brand and product exclusions apply.

FREE Decal or Keychain with Custom Tune Purchase

Let everyone know you are tuned by the best in the business! Be sure to add one of our JST Performance Decals, JSTUNED Decals, or JSTUNED embroidered keychains to your custom tune purchase before checking out (don't forget this very important step)! No code required, discount will be applied at checkout, valid on 1 item only, does not apply to windshield banners, cannot be combined with other offers.

FREE Shipping

Get FREE shipping on most merchandise orders $150 and over (excluding taxes, shipping, and any applied discounts). No code required, does not apply to items that ship via freight.

Package Deals

We have put together a variety of exclusive JST Performance package deals, including our popular brake package and custom tuning packages, that are designed to save you money so your modification budget can get you further! SHOP PACKAGES

Used/Open Box

As a racing shop that is actively changing out parts on both our personal racecars and customer cars, we have a tendency to rack up some pretty awesome used parts for many different applications! Check out this page often as we are always listing something new at pretty huge discounts!  SHOP USED PARTS