G43L (GSR40) Muffler Stabilizer Bolt $0.30 Quantity discounts available QuantityPrice Quantity: -+ SKU: FD268 ABOUT THIS PRODUCT:G43L (GSR40) Muffler Stabilizer BoltAboutAboutMuffler stabilizer bolt for Zenoah G43L (GSR40, GSR40-TS, and Go-Bike) engine. M5x14 PMW part # 4738. Zenoah part # 3310-31720.