A-B1591936-AI JET-MAIN model-13AJ77SS099 Hole Diameter - 1/2"

Hole Diameter - 1/2"

Fits Combines - 2366 (BSN JJC0255701)

Contains: One (1) Shift Detent Plate & Two (2) Rivets

Compatible with a wide range of lawn tractors

Series: 12N / 12 Series North American PTO

A-B1591936-AI JET-MAIN model-13AJ77SS099 Hole Diameter - 1/2"One New Aftermarket Replacement Carburetor Main Jet Fits Briggs and Stratton (Fits Briggs & Fits Stratton) Small Engines This carburetor main jet (Jet Main) is a precision metered fuel delivery component that sits inside the carburetor bowl and controls the flow of fuel into the engine at mid to high throttle. A worn or clogged main jet is a common cause of hard starting, rough running, and poor fuel economy on Fits Briggs and Stratton powered lawn