Description
B&M SHIFT IMPROVER KIT - GM TH400 TRANSMISSIONS
1965-1987 GM TH400, TH375 & TH475 Automatic Transmissions.
PART# 20260
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.
Features:
Perfect for Towing or Street/Strip Use
Eliminates Soft and Sluggish Shift
Recalibrates Stock Transmissions
Over 65 Years of B&M Quality
Eliminates Shift Overlap
Provides Crisp Shifts
Automotive Item Grade High Performance
Brand B&M
California Proposition 65 Chemical Name Cadmium and cadmium compounds
California Proposition 65 Required Yes
Emission Code 5
Gasket Included Yes
Instructions Included Yes
Manual Control No
Product Type Automatic Transmission Valve Body Kit
Part Number 20260
1965-1987 GM TH400, TH375 & TH475 Automatic Transmissions.
PART# 20260
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.
Features:
Perfect for Towing or Street/Strip Use
Eliminates Soft and Sluggish Shift
Recalibrates Stock Transmissions
Over 65 Years of B&M Quality
Eliminates Shift Overlap
Provides Crisp Shifts
Automotive Item Grade High Performance
Brand B&M
California Proposition 65 Chemical Name Cadmium and cadmium compounds
California Proposition 65 Required Yes
Emission Code 5
Gasket Included Yes
Instructions Included Yes
Manual Control No
Product Type Automatic Transmission Valve Body Kit
Part Number 20260
Product Questions and Answers
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