10 Bolt 7.5 GM
 Late
Metric Yoke |
 10
bolt 7.5 cover |
 Early
yoke |
| Ring Gear Diameter | 7.5 |
| Cover bolt count | 10 |
| Ring gear bolt count | 10 |
| Ring Gear Bolt Size | 7/16 Left Hand Thread |
| Axle Spline | 26 c-clip |
| Pinion Spline | 27 mid size / 25 monza & vega 75-80 |
| Pinion Diameter | 1.438 mid size / 1.375 monza & vega 1975-1980 |
| Axle Shaft Diameter | 1.40 |
Supported Cars
| Car | Year |
| Camaro
/ Trans Am / FireBird |
82-89 |
| Monte
Carlo / Regal / Grand Prix / Malibu |
78-87 |
| Impala / Caprice | 78-89 |
| Nova / Apollo / Ventura | 76-80 |
| Monza / Vega | 75-80 |
| S-10 / Sonoma | 82-89 |
Rebuild Kit Contents
| Part | Part Number |
| Carrier Bearing | LM501349 |
| Carrier Bearing (Race) | LM501314 |
| Inner Pinion Bearing 1981 older | M89449 |
| Inner Pinion Bearing (Race) 1981 older | M89410 |
| Inner Pinion Bearing Monza | M88649 |
| Inner Pinion Bearing (Race) Monza | M88610 |
| Inner Pinion Bearing 1982 newer | M89249 |
| Inner Pinion Bearing (Race)1982 newer | M89210 |
| Outer Pinion Bearing | M86649 |
| Outer Pinion Bearing (Race) | M86610 |
| Pinion Seal | 8610 or 8611N |
Mega Axle Bearing Seal Kit
| Part | Part Number |
| Axle Bearing (C-Clip) | 5707 |
| Axle Seal (c-clip) | 8660S |