(H, M, W (1939-1946), S, SH, M, SM, SMD, SMTA, W, SW Series (1947-1954). 2) Oil Pressure Gauge = 1/8" NPT Male Thread (Brass) with stud & Bracket. 1) Temperature Gauge 72" Lead, 5/8" -18 UF(Brass) with 1/2" NPT Pipe Bushing (Included).
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