Air Filter Adapter Jet Kit For Predator 301cc 420cc And GX340 GX390 389cc OHV Engines Stage 1 Upgrade For Mini Bikes Go Karts Golf Carts Lawn Mowers Pressure Washers Generators Water Pumps

Air Filter Adapter Jet Kit for GX Engines (Stage 1 Upgrade)
✔️ Includes 1 kit: adapter, gaskets, jets, filter, and hardware

Upgrade your small engines with this air filter adapter jet kit, designed for GX series OHV motors including 301cc, 420cc, GX340, and GX390. It's a practical upgrade for mini bikes, go-karts, golf carts, lawn mowers, pressure washers, generators, and other compact machines.

✅ Fitment: 301cc/420cc and GX340/GX390 OHV engines, small machines
✅ Gasket options: two gasket types plus 11 main jets for varied models
✅ Packing includes: 1 air filter, 1 adapter kit, 1 spark plug, 1 fuel filter, 2 nuts, 2 screws, 2 carb gaskets, 2 exhaust gaskets, 11 main jets (#0.82,#0.80,#0.78,#0.76,#0.74,#0.86,#0.88,#0.90,#0.92,#0.94)
✅ MRELC support: professional R&D and factory service with quick replies

💡 What is an air filter adapter jet kit and why install one on small engines? This handy setup helps you tune air and fuel for better performance.
- It fits GX-series engines and similar small power units
- It provides gasket options and 11 jets for precise tuning
- It consolidates parts into a single upgrade kit for easy maintenance