J3 Product Line
Designed and produce to specification by J3 Competition, the product line offers ergonomic, functional, and winning products. Design through the test bed of its Race Department, these tried and tested items are produced with the highest quality and priced right for today's Karter.

J3 Engine Parts

  • Protective Engine Plugs
  • Chain Guards
  • Carburetor Throttle and Return Brackets
  • Coil Mount Brackets
  • Filter Cup
  • Much More
  • Tillotson Throttle Support Bracket
  • Mini ROK and ROK TT Chain Guard
  • ROK TT Filter Cup
  • Coil Brackets
  • Spark Plug Opening Plug
  • Intake and Exhaust Plugs
  • J3 ROK Type Relay Absorbing Bracket

J3 Competition currently offers several engine specific spare which are a necessity for many competitiors.  As J3 Competition continues to build its engine specific offerings, please keep in contact with the Sales Department so you can best understand what items are in the queue.

Like all J3 Competition products, the engine specific items are also engineered with CAD software to insure precise fitting as well as longevity.  Afterall, if your engine operates at 15,000 RPM or 12,000 RPM you can afford to have your accessories static crack and subsequently break and cost a result.  That's why more and more drivers continually turn to the J3 line of products.

J3 Chassis Parts

  • Uni-Ball 10mm and 8mm Eccentrics
  • Complete Rotax Bracket Kits
  • Magnesium Wheel Sets
  • Unipro Accessory Mounting Brackets
  • 50 x 1030 Axles (C1, C2, C3)
  • Steering Columns (Dual Ackerman)
Downloads
  • Uni-Ball Eccentrics
  • Starting Support For Rotax and KF
  • Rotax Bracket Kit (Left and Right Available)
  • Skid Plate Kit (Protect Your Chassis)
  • Magnesium Wheel Set
  • J3 Axles - D. 50 Type C1, C2, C3
  • J3 Magnesium Engine Mount

Since 2008, J3 Competition has been producing key products to not make you go faster, but to make your life easier.  The unique point about the J3 product line is that all items are track test pre-set length of time to insure quality and performance are indeed attained.  All J3's items are finalized with a CAD design process to give them the extra persion required to sell in the market.

Some items are produced by 7075 Aluminum while others are produced by magnesium and or steel.  Be sure to check with the sales department to lear about all our great products!

J3 Tooling and Accessories

  • Eccentric / Bumper Wrench
  • Wheel Balance Tool
  • Protective Caps (Intake, Exhaust, Spark Plug)
  • Battery Chargers
  • Mechanics Gloves
  • Frame Saver Paper
  • Front Hub Spacer Tool
  • Much More!
  • Eccentric and Bumper Wrench
  • Measuring Tape!
  • Wheel Balance Tool (Weights Sold Separately)
  • Tire Dismounting Device
  • High Performance Tire Pressure Gauge

Within the J3 Competition tooling and accessory line you will find all those miscelaneous items that often time seem so hard to find. For instance, the proper battery charger for your RoK series enging battery, Wheel balancers and weights to go along with it!  With this line of items are also specialty tools such as the J3 Competition Eccentric wrench which also doubles as wrench for assembling the rear bumper hardware.  Its through contiuous innovation and testing that J3 Competition is able to bring all these great items to your fingertips.