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Ninja ZX14 King 300 Wide Tire Conversion Kit CLICK ON PICTURE TO BUILD YOUR KIT PRICE
King 300 Wide Tire Swingarm Conversion Kit
The King 300 Kit will bring your bike more attention than you can imagine!!

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PLEASE go through the checklist below and select ALL the options you prefer to get a price on a Phat tire conversion kit.The $2600 price reflects the price for the Jacksahft swingarm in raw finish only. The KING300 Bolt-On Jackshaft Extended Swingarm is a proven way to add a Fat Rear Tire to your machine.
Our Price: $2,600.00

Product Code: ZX14 300 TIRE S/A KIT

Swingarm Options

Swingarm Finish:

Swingarm Length:

N.O.S. Bracket:
N.O.S. Bottle Bracket Welded to Arm [Add $89.00]
Wheel Options

Number of Teeth on Sprocket:

Wheel Finish:

Spinner Wheels:
Front & Rear Wheel Spinners [Add $1,999.99]
Other Wide Tire Kit Options

Brake Line:
Custom Stainless Steel Braided Brake Line Length of Swingarm [Add $69.99]

Two Heavy Duty X-Ring Chains Cut to Length [Add $199.99]

Custom Radial Mount Rear Brake Kit:
Custom Rear Brake Caliper,Hanger and Rotor Upgrade [Add $399.99]Upgrade Your Wide Tire Conversion to our Radial Mount Brake Caliper, Caliper Hanger and Custom Rear Brake Rotor from the stock brake hardware!

Rear Tire:
300 Rear Tire Venom [Add $299.99]

Heavy Duty Rear Shock Spring:
Heavy Duty Rear Shock Spring [Add $179.99]

Description Technical Specs Extended Information
Our famous KING300 Jackshaft Fat Tire Conversion Kit is a durable, drivable and awsome looking bolt-on conversion! You have seen them on ROARING TOYZ customs featured in all the national magazines and on the Speed channel show Superbikes!! These Bolt-On KING300 Extended Swingarm Kits are engineered for looks, strength and function. A true bolt-on Kit that requires no cutting, grinding, welding or drilling.  Our unique Jackshaft allows for a centered rear wheel for maximum performance and appearance. All ROARING TOYZ custom extended swingarms are available in raw (paintable), powder coated or Show Quality Triple Chrome plated finishes.

Allow 0-16 weeks for delivery depending on options and finish.

  • • Made In USA with Aircraft Quality Billet Aluminum
  • • Unique Jackshaft Engineering Allow for Centered Rear Wheel
  • • True "Bolt-On" Design, No Welding or Grinding
  • • Choice of Finish: Raw (Paintable), Powder Coated or Show Quality Chrome
  • • Unique Axle Caps with Engraved ROARING TOYZ Logo
  • • Allows for Fast, Easy Chain Adjustment
  • • Featured on numerous ROARING TOYZ custom sportbikes
  • • A Proven design–Used on the Worlds First Custom KAWASAKI ZX-14 superbike

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