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B&M 20228

Transpak Kit 1965-87 GM TH400/TH375/M40



B&M 20228

Part Number: 130-20228

Transpak Kit
  • 1965-87 GM TH400/TH375/M40
  • Includes Gaskets, Drill Bits, Seals, Retaining Ring, Brass Plug, and Shift Valve
  • $84.36
    Ships
    Made In USA
    B&M 20228 Transpak Kit 1965-87 GM TH400/TH375/M40 $84.36

    Specifications:

    Trans Year
    1965
    Trans Year
    1966
    Trans Year
    1967
    Trans Year
    1968
    Trans Year
    1969
    Trans Year
    1970
    Trans Year
    1971
    Trans Year
    1972
    Trans Year
    1973
    Trans Year
    1974
    Trans Year
    1975
    Trans Year
    1976
    Trans Year
    1977
    Trans Year
    1978
    Trans Year
    1979
    Trans Year
    1980
    Trans Year
    1981
    Trans Year
    1982
    Trans Year
    1983
    Trans Year
    1984
    Trans Year
    1985
    Trans Year
    1986
    Trans Year
    1987
    Trans Model
    GM- TH350 (Auto)3 Speed
    Trans Model
    GM- TH375 (Auto)3 Speed
    Trans Model
    GM- TH400 (Auto)3 Speed
    Gaskets Included
    Yes
    Gaskets Included
    Yes
    Filter Included
    No
    Full Manual
    No
    Quantity
    Sold as a kit
    Manufacturer's Part Number:
    20228

    Transmission Upgrade - Two Kits in One!

    B&M's Transpak Kits contain all of the B&M Shift Improver Kit features, and include additional driver manual control for GM TH350/TH400, Ford C6 and Chrysler Torqueflight transmissions. Most conventional automatic transmissions do not downshift into low gear above 15 mph, and they automatically upshift at a predetermined speed, no matter what gear you are in. Installing a Transpak Kit will enable you to downshift at any speed, and you can also hold the transmission in first gear to any desired speed (except Ford C4/AOD, and GM TH2004R/TH700R4/4L60E). This is beneficial when towing a trailer or driving heavy loads downhill. Each kit includes the necessary parts to select either Stage 1 or Stage 2.

    Stage 1 - Heavy Duty:
    For towing, street rods, off-road vehicles, campers, motorhomes, trailers, police, taxi, normal passenger vehicles or other heavy duty use. Firmer shift feel but not harsh. Improves transmission performance and life dramatically without loss of comfort. Full manual downshifts when desired; normal automatic operation when in ''Drive''.

    Stage 2: Hi-Performance Street:
    For full performance street use. Essentially the same as RV/Heavy Duty mode except shift is much snappier. Retain full automatic features and standard shift points with selector in ''Drive''.

    Features:
  • Recalibrate Your Automatic Transmission for Optimum Performance
  • Select the Mode that Best Suits Your Application
  • Improves Transmission Life
  • Transmission Removal Not Required

  • Does B&M 20228 fit your vehicle?

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    1968 GMC K25/K2500 PICKUP

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1969-1971 CHEVROLET C20 SUBURBAN

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1968 GMC K35/K3500 PICKUP

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1975-1983 CADILLAC COMMERCIAL CHASSIS

    • EngineType: ALL
    • SubModel: ALL

    1969 CHEVROLET EL CAMINO

    • CC: 6489
    • Liter: 6.5
    • SubModel: CUSTOM
    • CUI: 396
    • EngineType: V8

    1973 GMC C35/C3500 PICKUP

    • EngineType: L6
    • SubModel: BASE

    1966-1967 CHEVROLET CHEVELLE

    • Liter: 6.5
    • SubModel: SS
    • EngineType: V8

    1969 CHEVROLET K30 PICKUP

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1969-1970 GMC C25/C2500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1965-1967 CHEVROLET P30 SERIES VAN

    • EngineType: ALL
    • SubModel: ALL

    1975 CHEVROLET NOVA

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1974 CHEVROLET C10 SUBURBAN

    • Liter: 4.1
    • SubModel: BASE
    • EngineType: L6

    1966 CHEVROLET C20 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1968-1971 OLDSMOBILE DELTA 88

    • Liter: 7.5
    • SubModel: BASE
    • EngineType: V8

    1968 GMC C25/C2500 SUBURBAN

    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8

    1968 PONTIAC TEMPEST

    • CC: 5733
    • Liter: 5.7
    • Aspiration: N
    • SubModel: SAFARI
    • CUI: 350
    • EngineType: V8

    1970 BUICK SKYLARK

    • EngineType: L6
    • SubModel: BASE

    1986 CHEVROLET C30 PICKUP

    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • EngineType: V8

    1969 BUICK SKYLARK

    • EngineType: L6
    • SubModel: BASE

    1981 CHEVROLET C10 PICKUP

    • EngineType: L6
    • SubModel: SILVERADO

    1976-1977 PONTIAC LEMANS

    • EngineType: L6
    • SubModel: BASE

    1970 CHEVROLET MONTE CARLO

    • CC: 7439
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1967 GMC C25/C2500 PICKUP

    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1970-1972 GMC K15/K1500 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1977 PONTIAC LEMANS

    • Liter: 6.6
    • SubModel: SAFARI
    • CUI: 400
    • EngineType: V8

    1969 CHEVROLET EL CAMINO

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1974 CHEVROLET K10 PICKUP

    • EngineType: V8
    • SubModel: BASE

    1973 GMC C25/C2500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1973 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1973-1974 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: ALL

    1970-1971 CHEVROLET P20 VAN

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1975 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: TRANS AM

    1973 CHEVROLET IMPALA

    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1965-1967 CADILLAC COMMERCIAL CHASSIS

    • CC: 7031
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8

    1970-1971 CHEVROLET K30 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1972 CHEVROLET CHEVELLE

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8

    1982 CHEVROLET K30 PICKUP

    • EngineType: L6
    • SubModel: BASE

    1979-1982 CHEVROLET K30 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1975 CHEVROLET MALIBU

    • Liter: 5.7
    • Aspiration: N
    • SubModel: CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1976-1977 GMC C25/C2500 PICKUP

    • EngineType: L6
    • SubModel: BASE

    1977 PONTIAC GRAND PRIX

    • Liter: 5.7
    • SubModel: LJ
    • CUI: 350
    • EngineType: V8

    1970 GMC K1500 PICKUP

    • Liter: 4.1
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 250
    • EngineType: L6

    1970-1971 OLDSMOBILE F85

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1969-1970 CHEVROLET K10 SUBURBAN

    • Liter: 4.8
    • SubModel: BASE
    • EngineType: L6

    1974 GMC P15/P1500 VAN

    • EngineType: ALL
    • SubModel: ALL

    1981 CHEVROLET BLAZER K5

    • EngineType: ALL
    • SubModel: DELUXE

    1970-1973 GMC P15/P1500 VAN

    • EngineType: L6
    • SubModel: BASE

    1970-1971 CHEVROLET K30 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1968 OLDSMOBILE DELTA 88

    • CC: 5737
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1985 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1969 CHEVROLET G10 VAN

    • Liter: 3.8
    • SubModel: BASE
    • EngineType: L6

    1970-1971 CHEVROLET P20 VAN

    • Liter: 4.8
    • SubModel: BASE
    • EngineType: L6

    1968-1969 CHEVROLET CORVETTE

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8

    1970 CHEVROLET BLAZER

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1973-1974 CHEVROLET BEL AIR

    • EngineType: ALL
    • SubModel: ALL

    1968-1969 OLDSMOBILE VISTA CRUISER

    • CC: 7456
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8

    1974 GMC C25/C2500 SUBURBAN

    • Liter: 4.1
    • SubModel: BASE
    • EngineType: L6

    1971 GMC C1500 PICKUP

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 350
    • EngineType: V8

    1972 CHEVROLET TOWNSMAN

    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1969 GMC P15/P1500 VAN

    • EngineType: ALL
    • SubModel: ALL

    1976 CADILLAC FLEETWOOD

    • EngineType: ALL
    • SubModel: BROUGHAM D'ELEGANCE

    1966 CHEVROLET EL CAMINO

    • Liter: 5.4
    • SubModel: BASE
    • EngineType: V8

    1969 CHEVROLET K30 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1969 CHEVROLET K10 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1973-1974 GMC C25/C2500 PICKUP

    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8

    1972 CHEVROLET KINGSWOOD

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1976 PONTIAC LEMANS

    • Liter: 4.3
    • SubModel: SPORT
    • CUI: 260
    • EngineType: V8

    1970-1971 CHEVROLET TOWNSMAN

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1986 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1969-1971 CHEVROLET C20 SUBURBAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1967 BUICK LESABRE

    • Liter: 5.6
    • SubModel: BASE
    • EngineType: V8

    1970 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: BASE

    1985 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1975-1980 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1972-1974 CHEVROLET K20 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1970-1971 CHEVROLET NOVA

    • CC: 7439
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1972 PONTIAC LEMANS

    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1975 CHEVROLET IMPALA

    • Liter: 6.6
    • SubModel: CUSTOM
    • CUI: 400
    • EngineType: V8

    1973 GMC JIMMY

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1970 CHEVROLET MONTE CARLO

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8

    1971 GMC G35/G3500 VAN

    • Liter: 4.1
    • SubModel: VANDURA
    • CUI: 250
    • EngineType: L6

    1975-1976 BUICK ESTATE WAGON

    • EngineType: ALL
    • SubModel: ALL

    1973 CHEVROLET K20 PICKUP

    • Liter: 7.4
    • SubModel: BASE
    • EngineType: V8

    1968 OLDSMOBILE F85

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1968 GMC C25/C2500 SUBURBAN

    • CC: 5753
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 351
    • EngineType: V6

    1974 PONTIAC GRANDVILLE

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1980 GMC K3500 PICKUP

    • EngineType: L6
    • SubModel: BASE

    1985 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1969 CHEVROLET TOWNSMAN

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8

    1966 CHEVROLET K20 PICKUP

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1971 CHEVROLET G20 VAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: SPORTVAN
    • Engine Vin: E
    • CUI: 350
    • EngineType: V8

    1973 CHEVROLET MALIBU

    • EngineType: L6
    • SubModel: BASE

    1973-1974 OLDSMOBILE OMEGA

    • EngineType: ALL
    • SubModel: ALL

    1969 CHEVROLET C20 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1969 CHEVROLET EL CAMINO

    • CC: 5736
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1968 GMC C35/C3500 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6

    1973-1974 GMC C1500 PICKUP

    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8

    1975 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1969 CHEVROLET K10 PICKUP

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8

    1971-1972 CHEVROLET BLAZER

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6
    20228 - B&M Transpak Kits is rated 5.0 out of 5 by 1.
    • 2016-09-30T08:24CST
    • bvseo_cps, prod_bvrr, vn_cps_3.4.0
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_31786, PRD, sort_relevancy
    • clientName_jegs
    Rated 5 out of 5 by from Really like the gear holding capability Installed easily and works great. I haven't really drove it on the street but the gear holding works perfectly
    Date published: 2015-09-07
    • 2016-09-30T08:24CST
    • bvseo_cps, prod_bvrr, vn_cps_3.4.0
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_31786, PRD, sort_relevancy
    • clientName_jegs
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