2019-01-10 - Updating File IN Progress

 

10 BOLT COVER / 12 Bolt RING 66-70 BUICK CARS)


10 bolt SQUARE-ISH cover
U-bolts on yoke
U-bolts on yoke

FULL SIZE EATON POSI
1/4 cut slugs bolt in axles
OVAL Slug HEADED BOLTS HOLDING BACKING PLATES

Ring Gear Diameter

9 3/8" BUICK INTEGRAL TYPE REAR

Casting number

Not IDed yet

Cover Bolt Count

10

Ring Gear Bolt Count

12

Ring Gear Bolt Size

3/8" X 24 right hand

Axle Spline

30 bolt in axle

Pinion Spline

28 (66-70)  

Yoke Style

U Bolt & Nut Universal Joint retention (reference picture)

Pinion Diameter

1.875

Axle Shaft Diameter

1.563 press on bearing


Supported Cars

Car

Year

WILDCAT, ELECTRA

66-70

RIVERA

66-70

ESTATE

1970

 


Rebuild Kit

Part

Part Number

Carrier Bearing (1966)

LM603049

Carrier Bearing(67-70)

25590(LH) LM603049 (RH)

Carrier Bearing Race (1966)

LM603012

Carrier Bearing Race(67-70)

25523(LH) LM603012 (RH)

Inner Pinion Bearing

M804049

Inner Pinion Bearing (Race)

M804010

Outer Pinion Bearing

M88048

Outer Pinion Bearing (Race)

M88010

Pinion Seal

8620N


Mega Axle Bearing Kit

Part

Part Number

Axle Bearing 65-67 RIVERA SEALED BEARING

514003P

Axle seal 65-67 RIVERA INNER TUBE SEAL

51098

Axle Bearing 68-69 SEALED BEARING

88131R

Axle seal 68-69 INNER TUBE SEAL

51098

Axle Bearing 67-70

RW508BR

Axle seal 67-70

8940S