Mack's Standard Transmission Inc.
Transmission ID:
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Borg Warner
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Bearing Rebuild Kits:
Transmissions
Transfer Cases
Front & Rear Axles


Parts:
Bearings
Seals
Synchronizers
Main Shafts
Input Shafts
Counter Shafts
Gears
Bearing Retainers
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Borg Warner T10

Bearing (Rebuild) Kit:
  Application Year Notes Kit # w/Synchros
Ford RWD        
  Borg-Warner Early 4sp
57-65
9 Bolt Side Cover. Uses 7/8" Counter Shaft. Uses Thrust Bearing between 2nd and 3rd Gears.
BK166 BK166WS
  BWT10, 1st Design, Super 4sp
66-69
9 Bolt Side Cover. Uses 7/8" Counter Shaft. Does not use Thrust Bearing between 2nd and 3rd Gears.
BK177 BK177WS
GM RWD        
  Borg-Warner T10, 4sp
57-66
9 Bolt Side Cover. Uses 207 Input
BK166A
BK166AWS
  Borg-Warner T10, 4sp
57-66
9 Bolt Side Cover. Trans uses 7/8" Countershaft. Thrust Bearing between 2nd and 3rd Gear.
BK166 BK166WS
  Borg-Warner Super T10, 1st Design
66-73
9 Bolt Side Cover. Trans uses 7/8" Countershaft. No Bearing between 2nd and 3rd Gear.
BK177 BK177WS
  Borg-Warner Super T10, 2nd design, 86mm
74-on
9 Bolt Side Cover. Trans uses 1" Countershaft, Fine Spline Input.For Max Load Bearings use -»
BK118 BK118HD
BK118WS BK118HDWS
  Borg-Warner Super T10, DNE Corvette (4+3) 84-87
Trans used with Nash Overdrive (Automatic OD parts are not included)
BK185 BK185WS

Countershaft (Cluster):
REF # Part # Description
8 T10U-8C T10 Cluster Gear, 31-25-20-16, 3.42 ratio
8 T10W-8B T10 Cluster Gear, 28-23-20-18, 2.64 ratio
8 T10W-8CH T10 Cluster Gear, 27-23-20-18, 2.43 ratio
8 T10Y-8B T10 Cluster Gear, 29-24-20-18, 2.88 ratio
8 T10W-3 T10 Counterhsaft, Late 1" Diameter
8 T85B-3 T10 Countershaft, Early 7/8" Diameter


Input Shaft:
REF # Part # Description
16 T10U-16B T10 Input Shaft, 17t, 3.42 ratio
16 T10W-16CH T10 Input Shaft, 21t, 2.93 ratio
16 T10W-16G T10 Input Shaft, 20t, 2.64 ratio
16 T10Y-16B T10 Input Shaft, 19t, 2.88 ratio


Main Shaft:
REF # Part # Description
2 T10W-2 T10 Mainshaft, 32spl


Hubs & Sleeves (sliders):
REF # Part # Description
41 AT10P-80 T10 1-2 Synchro Assembly
43 AT16-2.5 T10 3-4 Synchro Assembly
  T10-15 T10 Slider, Torque-Lock also fits M20,M21
  T10S-15 T10 Slider *Super T10 ONLY*

Synchros:
REF # Part # Description
  T10W-14A T10 1-4 Synchronizer Ring


Shift Forks:
REF # Part # Description
  T10-23 T10 Shift Fork


Bearings:
REF # Part # Description
54 6307-N T10 Output Bearing
54 35TM06 T10 Output Bearing (Nash O/D)
58 TC1427 Super T10 Reverse Idler Needle Bearing
1 6307-N T10 Input Bearing


Bearing Retainers:
REF # Part # Description
6 T89C-6A T10 Front Bearing Retainer

Key / Spring / Ball Kit:
REF # Part # Description
  T10-K T10 Synchro Key/Spring Kit Small Hump
  T10-KS T10 Synchro Key/Sprinh Kit Big Hump


Gears 1-R:
REF # Part # Description
10 AT10-34C T10 Reverse Gear, Bushed
11 T10H-11A T10 3rd Gear, 28t
11 T10J-11 T10 3rd Gear, 29t
11 T10S-11 T10 3rd Gear, 22t
11 T10U-11A T10 3rd Gear, 20t
11 T10X-11 T10 3rd Gear, 21t
12 T10U-12 T10 1st Gear, 30t
12 T10W-12 T10 1st Gear, 34t
21 T10H-31 T10 2nd Gear, 30t
21 T10S-31A T10 2nd Gear, 25t
10 T10W-46 T10 Reverse Gear, 39t 32spl

Miscelaneous Parts :
REF # Part # Description
  6130 T10 Shift Linkage Seal
  AS111 T10 Linkage O-Ring
  WT266-62 T10 Tailhousing Bushing, common
  WT297-62 Super T10 Tailhousing Bushing
  2655 T10 Rear Seal, Ford Small
  15041 T10 Rear Seal, common
  18658 Super T10 Rear Seal, Large
SP10-50 T10 Small Parts Kit, 57-66
SP10P-50 T10 Small Parts Kit, 66-73
SP10W-50 T10 Small Parts Kit, 74-On
10-55 T10 Gasket Set
  1304-065-903 Super T10 Case 2nd Design, Aluminum
  1304-066-903 Super T10 Tailhousing 2nd Design, Alum
  TWA1427 Super T10 Reverse Idler Thrust Washer
  T10-35 T10 Reverse Idler Shaft
  T10W-33 T10 1st Gear Bushing
  12363 T10 Front Seal
  T85B-15 T10 USE T10-15