HJULBULT 9/16-18 X 2-3/32 GMC CHEVROLET 1977-88,

CHEVROLET    K30 PICKUP    1979-1986
CHEVROLET    V30 PICKUP    1987-1988
GMC    K35 PICKUP    1977-1978
GMC    K3500    1979-1986
GMC    V3500 PICKUP    1987-1988

Alternate/OEM Part Number(s): 475988, 6102821, 987161PTC 97207 

Specifications
Thread Size    9/16″-18
KNURL DIAMETER    .655″
SHOULDER LENGTH    .844″
Thread Length    2-3/32″
Overall Length    2.328″