CONT.CAST AL4 CYL HEAD COVERS4 • $250 • FOR SALE BY OWNER / BUILDER • 4 Cast AL4 rocker valve covers Continental P/N 4528 VG AIRWORTHY for J3 Cub & Other Antique Aircraft • Contact Charles Hampton, A&P , Owner - located Marietta, OH 45750 United States • Telephone: ---------- • ---------- • Posted July 15, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad