KINNER R55/56 EXHAUST. VALVES • $250 • FOR SALE BY OWNER • Kinner R55/56 new exhaust valves $250 ea or good used used ones $100 ea. • Contact Robert "Bob" Williams , Owner - located Lees Summit, MO 64081 United States • Telephone: 816-456-7767 • Posted July 7, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad