Compare Quick view TUNE KIT B&S 3.5-4.5 CHAMPION MSRP: Now: $32.99 Was: Ignition/ Filter; Use With Briggs & Stratton 3.5 to 4.5 HP Q45 / Classic / Sprint and Quattro Engines; With Champion 868 Spark Plug/ Air Filter/ 20 Ounce 30W Oil and 2.5 Ounce Fuel Stabilizer; Also... MSRP: Now: $32.99 Was: Compare Quick view Qty in Cart: 0 Price: MSRP: Now: $32.99 Was: Subtotal: