Set Of O/H Kit For Gm Type M/S. Topgrip Make Auto Drain Valve Consisting Of 10 Items As Follows. 1)seat(teflon), Part No. T 52/14. Qty/Set. = 02 Nos. 2) O Ring Id 2 5/8, Part No. T 52/03. Qty/Set. = 01 No. 3) O Ring Id 1 7/16, Part No. T 52/06. Qty/Set. = 02 Nos. 4) O Ring Id 1/4, Part No. T 52/07. Qty/Set. = 01 No. 5) O Ring Id Dia 0.67 X 0.103 Thick, Part No. T 52/10. Qty/Set. = 01 No. 6) Seat(teflon), Part No. T 52/14. Qty/Set. = 02 Nos. 7) Seat Washer, P