This is a Performance Stage 1 Kit for the 301cc 420cc Predator, Honda GX340/390. With the added air flow, the more rich main jet (.042 or .043 ) is mandatory for optimal engine performance. Works with all air filters that have a 2-7/16″ inlet.
Includes:
(1) Exhaust Pipe for 13HP Predator, Honda, Clone Engine
(1) Exhaust Gasket for 13HP Honda (JF340.10-6)
(1) Air Filter Adapter for 301cc 420cc Predator, Honda GX340/390 (A6929)
(1) Choke Support Bracket (300585)
(1) Angled Fabric Air Filter, 2-7/16″ (Inlet) x 4″ (Tall) (600821) or Straight Fabric Air Filter, 2-7/16″ (Inlet) x 4″ (Tall) (600820) [AIR FILTER COLOR MAY VARY]
(1) Foam Pre-Filter (3 1/2″ x 5″) (600823)
(1) High Performance Spark Plug (AR3910X)
(1) .042 Jet
(1) .043 Jet