Description
1953-81 Pitman Arm to Steering Box Nut, 1953-54 PS, 1955-75 All exc H SS, 1976-79 All PS, 1977 AGX SS, 1978-79 AGHX SS exc L4, 1979-80 H LG SS 2nd Design, 1980-81 All exc 80 H 1st Design SS, 7/8-14×1-1/2, also 258779. California Pontiac Parts