Availability: 10 in stock
Transmission and drivetrain components for the GM TH400. Supplied by B&M, part number 20260.
Designed for the GM TH400 listed above. Confirm part number 20260 against the part being replaced before ordering; the same model can use different components by trim, drivetrain and ABS configuration.
Listing: B&M Shift Improver Kit – GM TH400 Transmissions – 20260