792777 Kit-Choke Shaft 1.00 x 4.00 x 5.50 inches for Briggs & Stratton, Replacement 31A507-0111-B1 31A507-0111-E1 Seamless Repairs, Peak Performance - Choose Our Parts Today Upgrade Your Outdoor Tools with Our Replacement Parts Effortless Repairs, Superior Performance - Trust Our Replacement Parts for Lawnmowers, Brushcutters, and Chainsaws We kindly ask you to double-check the part's appearance in the photo and cross-reference it with the provided dimensions to ensure a perfect fit