74047014 GM 8.625" Open Differential Spider Gear Kit '99-Mid 2000 30 Spline
12471314, 852021C, 852022 - This is for a differential case that has the SAME size openings on each side -- LARGE HUB. For an open (NOT for POSI or GOV-LOK!!!) differential case that has the DIFFERENT size openings on each side use 74047015.
12471314, 852021C, 852022 - This is for a differential case that has the SAME size openings on each side -- LARGE HUB. For an open (NOT for POSI or GOV-LOK!!!) differential case that has the DIFFERENT size openings on each side use 74047015.