PLASTIC REED VALVES |  | 34 - 77887A 2 • Dual stage - 5 petals reeds. Set contains 2 primary and 2 secondary reeds, 6 sets required per engine. | | PLASTIC REED VALVES |  | 34 - 849484A 1 •Single stage - 7 petal reeds. Set contains 2 reeds, 6 sets required per engine. | | PLASTIC REED VALVES |  | 34 - 14594A 3 •Dual stage - 4 petals reeds. Rubber coated, set contains 2 primary and 2 secondary reeds, 6 sets required per engine. | |