CHAMPION RHB37E SPARK PLUGS • $56 • WE GOT 'EM FOR SALE • Factory New Champion RHB37E spark plugs with certs and one-year warranty. • Contact Donald Valentine - VALENTINE AVIATION , Owner - located Plano, TX 75075 United States • Telephone: ---------- • Posted July 29, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad