Replacement OEM Part Number:
159064, 37-119, 3-304, 3-305,23-035
List-1850, List-1850-1, List-1850-2,List-1850-3, List-1850-4, List-1850-5
List-3310-2, List-3310-3, List-3310-4,List-3310-5, List-3310-6
List-81850,List-80508, List-80508-1
List-83310,List-83310-1
List-83311
List-83312
List-R1850
Fitment:
For 4160 Series Vacuum Secondary Carbs 570, 600, 650, 670, 750 & 770 CFM.
For List Numbers 1850, 3310, 8007, 9015, 9776, 80457, 80508, 80570, 80670 , 80770.
Design:
Perfectly matched with a Vacuum Secondary carburetor.
Function:
No need for modification, restore the factory performance of the carburetor, solve problems such as unstable idle and difficult starting.
Advantage:
The optimized sealing and flow design is suitable for mild performance modifications, improving throttle response and combustion efficiency (Non competitive use).