Predator 420 Engine Kits

Stage 1 Performance Kit for 301/420cc Engines

The Stage 1 Performance Kit for 301/420cc Engines is the perfect upgrade for anyone looking to boost their engine's performance. This kit includes a high-quality air filter, air filter adapter, and a jet kit, all designed to work together to improve the...

34mm Mikuni Carburetor Kit, GX390 / 420cc Predator

The 34mm Mikuni Carburetor Kit is a high-performance upgrade designed for the GX390 / 420cc Predator engine. This kit is perfect for anyone looking to improve their engine's power, torque, and overall performance. The 34mm Mikuni carburetor is a...

Stage 2: 420cc Hemi Predator / GX390 Performance Kit

Elevate your engine's performance with our comprehensive Stage 2 Performance Kit, specifically designed for the 420cc Hemi Predator and Honda GX390 engines. This kit is engineered to deliver superior power, efficiency, and reliability, making it the...