Description

B&M Shift Improver Kit - GM TH400/475 Transmissions The B&M® Shift Improver kits� feature two options to recalibrating your 1988-1994 GM TH400 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. Fits 1988-1994 Chevrolet, Buick, Olds, Pontiac, GMC TH400 Automatic Transmissions.

• Specifications

  • Emission Code: 5
  • Automotive Item Grade: High Performance
  • California Proposition 65 Required: Yes
  • Gasket Included: Yes
  • Warning:California Proposition 65
  • Instructions Included: Yes

• Product Fits

  • Cadillac Brougham 1988-1989
  • Chevrolet Blazer 1989-1990
  • Chevrolet C1500 1989-1990
  • Chevrolet C2500 1989-1990
  • Chevrolet C3500 1989-1990
  • Chevrolet G10 1989-1990
  • Chevrolet G20 1989-1990
  • Chevrolet G30 1989-1990
  • Chevrolet K1500 1989-1990
  • Chevrolet K2500 1989-1990
  • Chevrolet K3500 1989-1990
  • Chevrolet R1500 Suburban 1990-1990
  • Chevrolet R2500 1989-1989
  • Chevrolet R2500 Suburban 1989-1990
  • Chevrolet R3500 1989-1990
  • Chevrolet V1500 Suburban 1990-1990
  • Chevrolet V2500 Suburban 1989-1990
  • Chevrolet V3500 1989-1990
  • GMC C1500 1988-1990
  • GMC C2500 1988-1990
  • GMC C3500 1988-1990
  • GMC G1500 1988-1990
  • GMC G2500 1988-1990
  • GMC G3500 1988-1990
  • GMC Jimmy 1988-1990
  • GMC K1500 1988-1990
  • GMC K2500 1988-1990
  • GMC K3500 1988-1990
  • GMC R1500 Suburban 1990-1990
  • GMC R2500 1988-1989
  • GMC R2500 Suburban 1988-1990
  • GMC R3500 1988-1990
  • GMC V1500 Suburban 1990-1990
  • GMC V2500 Suburban 1988-1990
  • GMC V3500 1988-1990

• Documents and Manuals

  • 1101_BOM20261.pdf