1965-1987 GM TH400, TH375 & TH475 Automatic Transmissions.
The B&M® Shift Improver kits™ feature two options to recalibrating your 1965-1987 GM TH400, TH375 and TH475 automatic transmissions. First is the HEAVY DUTY set-up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles. This is a great option for performance street driving or towing. The second is our STREET/STRIP set-up. Be warned, this will deliver firm positive shifts you will feel, along with easily chirping the tires when shifting somewhat aggressively. This setting is recommend for high performance street/strip use, or for competitive events when you want the hardest, quickest shifts possible from a shift improver kit.
The B&M® Shift Improver kits™ feature two options to recalibrating your 1965-1987 GM TH400, TH375 and TH475 automatic transmissions. First is the HEAVY DUTY set-up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles. This is a great option for performance street driving or towing. The second is our STREET/STRIP set-up. Be warned, this will deliver firm positive shifts you will feel, along with easily chirping the tires when shifting somewhat aggressively. This setting is recommend for high performance street/strip use, or for competitive events when you want the hardest, quickest shifts possible from a shift improver kit.
- Over 65 Years of B&M Quality
- Eliminates Shift Overlap
- Provides Crisp Shifts
- Perfect for Towing or Street/Strip Use
- Eliminates Soft and Sluggish Shift
- Recalibrates Stock Transmissions
Information:
Fits 1965 to 1987 GM Turbo-Hydramatic 400, Turbo-Hydramatic 375 and 475 automatic transmissionsApplication Summary:
| Year | Make/Model |
|---|---|
| 1973 | Buick Centurion |
| 1973-1977 | Buick Century |
| 1965-1967 | Buick Electra |
| 1973 | Buick Electra |
| 1975-1976 | Buick Electra |
| 1978-1981 | Buick Electra |
| 1970 | Buick Estate Wagon |
| 1972-1974 | Buick Estate Wagon |
| 1977-1981 | Buick Estate Wagon |
| 1965-1967 | Buick Gran Sport |
| 1970-1972 | Buick GS |
| 1965-1981 | Buick LeSabre |
| 1973-1977 | Buick Regal |
| 1965-1978 | Buick Riviera |
| 1978 | Buick Skyhawk |
| 1965-1967 | Buick Skylark |
| 1969 | Buick Skylark |
| 1965-1967 | Buick Special |
| 1966-1969 | Buick Sportwagon |
| 1965-1969 | Buick Wildcat |
| 1988-1990 | Cadillac Brougham |
| 1965-1976 | Cadillac Calais |
| 1965-1974 | Cadillac Commercial Chassis |
| 1976-1977 | Cadillac Commercial Chassis |
| 1980-1983 | Cadillac Commercial Chassis |
| 1965-1981 | Cadillac DeVille |
| 1965-1966 | Cadillac Eldorado |
| 1965-1970 | Cadillac Fleetwood |
| 1973-1974 | Cadillac Fleetwood |
| 1979-1981 | Cadillac Fleetwood |
| 1984 | Cadillac Fleetwood |
| 1976-1978 | Cadillac Seville |
| 1965-1975 | Chevrolet Bel Air |
| 1965-1972 | Chevrolet Biscayne |
| 1969-1974 | Chevrolet Blazer |
| 1987-1990 | Chevrolet Blazer |
| 1969 | Chevrolet Brookwood |
| 1972 | Chevrolet Brookwood |
| 1975-1986 | Chevrolet C10 |
| 1967 | Chevrolet C10 Suburban |
| 1969-1984 | Chevrolet C10 Suburban |
| 1988-1990 | Chevrolet C1500 |
| 1975-1986 | Chevrolet C20 |
| 1967 | Chevrolet C20 Suburban |
| 1969-1986 | Chevrolet C20 Suburban |
| 1988-1990 | Chevrolet C2500 |
| 1975-1986 | Chevrolet C30 |
| 1988-1990 | Chevrolet C3500 |
| 1973-1975 | Chevrolet Camaro |
| 1966-1969 | Chevrolet Caprice |
| 1972 | Chevrolet Caprice |
| 1975 | Chevrolet Caprice |
| 1966 | Chevrolet Chevelle |
| 1970-1972 | Chevrolet Chevelle |
| 1966-1967 | Chevrolet Chevy II |
| 1967-1977 | Chevrolet Corvette |
| 1965-1975 | Chevrolet El Camino |
| 1977-1990 | Chevrolet G10 |
| 1975-1990 | Chevrolet G20 |
| 1970-1974 | Chevrolet G20 Van |
| 1975-1990 | Chevrolet G30 |
| 1965-1966 | Chevrolet Impala |
| 1968-1969 | Chevrolet Impala |
| 1972-1975 | Chevrolet Impala |
| 1977-1986 | Chevrolet K10 |
| 1969-1974 | Chevrolet K10 Suburban |
| 1977-1984 | Chevrolet K10 Suburban |
| 1988-1990 | Chevrolet K1500 |
| 1975-1986 | Chevrolet K20 |
| 1969-1986 | Chevrolet K20 Suburban |
| 1988-1990 | Chevrolet K2500 |
| 1977-1986 | Chevrolet K30 |
| Attributes | |
| ASIN | B000CIGDFQ |
| Automotive Item Grade | High Performance |
| Brand | B&M, B&M |
| Bullet Point #1 | Provides Crisp Shifts |
| Bullet Point #2 | On Any Stock Automatic Transmission |
| Bullet Point #3 | Eliminates Soft and Sluggish Shift |
| Bullet Point #4 | Eliminates Shift Overlap |
| California Proposition 65 | Yes |
| Category | Transmission |
| Country of Origin (Primary) | US |
| Emission Code | 5, 5 |
| GTIN | 00019695202606 |
| Gasket Included | Yes, Yes |
| Gasket Or Seal Included | Yes |
| Gaskets Included | Yes |
| Harmonized Tariff Code (Schedule B) | 8708401110 |
| Hazardous Material Code | N |
| Instructions Included | Yes, Yes |
| Life Cycle Status Code | Available to Order |
| Long Description | Shift Improver Kit Automatic Transmission Shift Kit |
| Manual Control | No, No |
| NAFTA Preference Criterion Code | B |
| Package Contents | Gaskets, Seals, Drill Bit and Fluid Separators |
| Part Type | Automatic Transmission Shift Kit |
| Product Type | Automatic Transmission Valve Body Kit, Automatic Transmission Valve Body Kit |
| SDR Required Flag | N |
| SDS Sheet Number | N |
| Sale Category | Transmission and Drivetrain |
| Short Description | Shift Improver Kit |
| Standard Pack | 1 |
| Sub Category | Service Kits |
| Trans Model | GM- TH350 (Auto)3 Speed, GM- TH375 (Auto)3 Speed, GM- TH400 (Auto)3 Speed |
| Trans Year | 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987 |
| Warning | California Proposition 65, California Proposition 65 |
| Warranty Time | 12 |
B&M 20260 B&M Shift Improver Kit - GM TH400 Transmissions
Product Information
- Brand: B&M
- Product Number: 20260