Used original 1971-1973 mustang 351 cleveland ram air cleaner base w/ reproduction seal. Inner side of seal flange stamped # 471088 (photo 9), outer side of flange has barely visible stamped # 471089 (photo 13). Base repainted long ago, some spots missing paint (photos 8-10), also see areas of rust pitting/bubbling under paint (photos 11-14), don't see any dents. Due to value, Signature required for delivery, shipping UPS Ground to lower 48 states only!