Awọn ohun elo irin simẹnti ṣe titunto si silinda ni ibamu fun Chevrolet ati GMC.Ibudo kan nikan wa ni ẹgbẹ osi pẹlu iwọn okun ti 1/2-20 ″.Iwọn ila opin ti MC39546 jẹ 1.5 ″ dọgba si 38mm.Awọn nọmba intercharge jẹ M39546, 13-39546, 10-39546 ati MCA39546.
Chevrolet
C60 1985-79
C70 1982-79
GMC
C6000 1985-79
C7000 1982-79