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Bullfrog Pro Velocity High Performance Air Filter Kit for Honda GX390 Bullfrog Pro Velocity High Performance Air Filter Kit for Honda GX390

Our Pro Velocity high performance air filter kit fits Honda GX340, GX390, Predator 420cc and 460cc big block clone engines. Upgrade your go kart, mini bike or drift trike with our high performance air filter kit. Our kit includes the following items:


  • High flow racing style air filter 4" filter length
  • Foam Pre-Filter
  • Radiused air filter adapter
  • Choke hold bracket

Our Price: $44.95
Mud motor Predator 420cc engine kit Mud Motor Stage 1 Kit for Honda GX390, Predator 420cc, 460cc Big Block

Our Mud Motor Stage 1 Kit is designed for the Honda GX390, Predator 420cc and 460cc engines.  Our Stage 1 kit includes our performance air filter, radiused air filter adapter, air filter adapter gasket, foam air filter and choke hold down.

Our Price: $45.99
High Performance Air Filter Kit for Honda GX390 High Performance Air Filter Kit for Honda GX390

High performance air filter kit that fits Honda GX340, GX390, Predator 420cc and 460cc big block clone engines. Upgrade your go kart, mini bike or drift trike with our high performance air filter kit. Our kit includes the following items:


  • High flow racing style air filter 6" filter length
  • Foam Pre-Filter
  • Radiused air filter adapter
  • Choke hold bracket

Our Price: $54.95
High Performance Air Filter Kit for Honda GX390 w/Outerwears High Performance Air Filter Kit for Honda GX390 w/Outerwears

High performance air filter kit that fits Honda GX340, GX390, Predator 420cc and 460cc big block clone engines. Upgrade your go kart, mini bike or drift trike with our high performance air filter kit. Our kit includes the following items:


  • High flow racing style air filter 4" filter length
  • Outerwears Pre-Filter
  • Radiused air filter adapter
  • Choke hold bracket

Our Price: $58.95
Predator 212cc Air Filter and Carburetor Jet Kit Predator 212cc Air Filter and Carburetor Jet Kit

Bullfrog Performance Products Air Filter and Carb Jet kit upgrade for the Predator 212cc Harbor Freight engine. Increase air flow and give your engine the proper amount of fuel flow by using our air filter and carburetor jet upgrade kit.
Our kit comes with the following components:

  • K&N style performance air filter
  • Foam pre-filter
  • Radiused air filter adapter
  • Choke hold
  • Main jet
  • Custom emulsion tube

Our Price: $58.95
High Performance Air Filter Kit for Honda GX390 w/Outerwears High Performance Air Filter Kit for Honda GX390 w/Outerwears

High performance air filter kit that fits Honda GX340, GX390, Predator 420cc and 460cc big block clone engines. Upgrade your go kart, mini bike or drift trike with our high performance air filter kit. Our kit includes the following items:


  • High flow racing style air filter 6" filter length
  • Outerwears Pre-Filter
  • Radiused air filter adapter
  • Choke hold bracket

Our Price: $68.90