Description
TKA2108 Torque King® Premium Quality Complete Gasket Kit for 1985-1991 Chevy and GMC New Process NP205 gear drive transfer cases feature Original Equipment Spec Precision-Thickness Gaskets. Our Torque King® Premium quality Complete Gasket Sets are assembled with highest quality components for your specific NP205 application and are the most complete application specific NP205 Gasket Sets you can buy. Competitive Kits are assembled for generic applications so they rarely include all components required for your exact application, plus these generic kits use parts that do not even come close to meeting original equipment specifications to achieve a lower price when compared to original equipment parts such as those found in Torque King® Premium Gasket Kits for your Chevy or GM 4x4.
TKA2108
1985-1991 32 Spline Female Input, mates to SM465 4 Speed, Turbo 400, 700R4
6 Bolt, Round with Shift Rail Notch Adapter to Transfer Case Bolt Pattern
1985-1991 SM465, CH465 4 Speed Manual: See Tech Note 1.1
1985-1990 Turbo 400 Automatic: See Tech Note 1.4
1991 4L-80E Automatic: See Tech Note 1.4
Also See: TKA2096 for 1973-1984 or TKA2071 for 1969-1984
Need More Info? Use the handy Links below to access over 40 years of Dan's product and vehicle specific Tech Notes to easily get the information you need for your vehicle's repair, maintenance, or upgrade project!
Dan the Gear Man® Tech Notes:
1969-1991 GM Kit Options
1969-1991
Note about RTV Sealants and Gaskets
Included Gaskets
Applications
Tech Note 1: 1969-1991 GM Kit Options
1969-1991 GM Kit Options:
- QU30034 Hourglass Gasket with Oil Channel Cutout for Muncie SM465 4 Speed Manual Transmission Main Transmission Case to the FRONT side of the Transmission to Transfer Case Adapter (also known as the Transmission Rear Extension Housing).
- TK30046 Square cross-section O-Ring for 27 Spline Turbo 350 and 700R4 (4L60) Automatic Transmission Main Transmission Case to the FRONT side of the Transmission to Transfer Case Adapter (also known as Transmission Rear Extension or Bearing Housing).
- TK30047 6 Bolt Gasket for Turbo 400 Transmission Main Case to the FRONT side of the Transmission to Transfer Case Adapter (also known as Transmission Rear Extension or Bearing Housing) to 1984. Can be used instead of TK30061 O-Ring in 1985-1990 vehicles with Turbo 400 Transmissions.
- TK30061 square cross-section O-Ring for 1985-1990 Turbo 400 and 1991 4L80E Transmission Main Case to to the FRONT side of the Transmission to Transfer Case Adapter (also known as Transmission Rear Extension or Bearing Housing.
Tech Note 2: 1969-1991
General Motors used direct mount New Process NP205 Transfer Cases from 1969 to 1991. The 205 was available on all full size 4x4 body styles up to 1980. From 1981 through 1991 the 205 was the only available in 1 ton K and V series square body style 4x4s.
Tech Note 3: Note about RTV Sealants and Gaskets
Except for the PTO cover on later production models, NO RTV sealant was used on the NP205 Transfer Case or adapter. All shaft, coupler, and bearing clearances were designed for specific thickness cut paper gaskets. RTV sealant SHOULD NOT be used to replace any other NP205 gasket, however, you can use a VERY thin film on one side of a gasket to hold it in place during assembly or to fill in gouges in mating surfaces.
Tech Note 4: Included Gaskets
Included Gaskets for 1969-1991 NP205 Premium Gasket Kits are:
| Component Name | Part Number | TKA2071 1969-1984 10 and 24 Spline Male Input | TKA2096 1973-1984 32 Spline Female Input | TKA2108 1985-1991 32 Spline Female Input |
| 5 Bolt Rear Bearing Retainer Gasket | TK10503 | 1 | 1 | 1 |
| 4 Bolt Front Bearing Retainer Gasket | TK10514 | 1 | 1 | 1 |
| Small Bore Transfer Case Adapter Gasket | TK10516 | 1 | NO | NO |
| Large Bore Hourglass Transfer Case Adapter Gasket | TK10529 | NO | 1 | NO |
| 8 Bolt Rear Housing Gasket | TK10604 | 2 | 2 | 2 |
| Poppet Plug Gasket | TK10680 | 2 | 2 | 2 |
| Idler Shaft Cover Gasket | TK10687 | 1 | 1 | 1 |
| 6 Bolt Transfer Case Adapter Gasket w/ Cutout | TK30036 | NO | NO | 1 |
| 6 Bolt Transfer Case Adapter Gasket | TK30052 | NO | NO | 1 |
| 4 Bolt Input Bearing Retainer | TK50175 | NO | NO | 1 |
| 6 Bolt PTO Gasket | QU50178 | 1 | 1 | 1 |
Applications
Chevy and GMC Full Size with NP205 Transfer Case: 1985, 1986, 1987, 1988, 1989, 1990, 1991
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