Stihl Leaf Blower Model BR 420 (BR420) Spark Plug Parts – Shop online or call 800-269-2609. Fast shipping. Open 7 days a week. 365 day return policy. We carry a wide variety of aftermarket replacement STIHL SR340, SR420, BR340, BR380, BR420 parts. Please check our catalog for. Leaf Blower STIHL. Shop in Stihl-Blowers-Parts- from 90 Meter Motors LLC. NEW OEM STIHL Backpack Leaf Blower Valve Timing Pushrod. Cyl inder Rings…