Why It Matters
The 8.5-inch 10-bolt used order-specific gearing and optional Safe-T-Track; axle code, ratio, and differential require car-level evidence.
Also Known As
1973 GTO 10-bolt1973 GTO Safe-T-Track rear
Part profile
1973 GTO GM 8.5-inch rear axle
axle · General Motors
Used On
1 linked car page.
LeMans Coupe or LeMans Sport Coupe two-door Colonnade hardtop
1973 Pontiac GTO
GTO option on LeMans Coupe or LeMans Sport Coupe