Catalog Section # Part name Qty Prod Prod date FINIS Part No. Pinto OHC engines B2.55 - Exhaust Air Supply Box 15 Valve assy - non returnSIERRA/GRANADA/SCORPIOWITH CAT. AND LAMBDAEngine: TL20EFI 2 D 10/85 - 5/89 6165824 86HF 9A487 BA