Free Shipping on orders $50 or more. details

Call Us 1-800-913-6119 & 1-801-214-2997 or Chat Online
Shop by Category

$42.90 from $57.20

  • Earn 85 Points As Part of the Auto Parts Warehouse loyalty program, you earn points for every purchase. You can use these points to earn rewards Learn More

  • In Stock
  • Ships out in 1-2 business days
  • Kit
  • Low Price Guarantee
  • write a review.

  • Part #: B3270239
  • Mfr #: 70239
  • Payment Methods:

1987-1991 GMC R3500 Automatic Transmission Shift Kit - B&M - B&M Shift improver, Direct fit

  • Product Details
  • Manufacturer Info
  • Related Products
  • Fitment Info
B&M SHIFT IMPROVER SERIES TRANSMISSION KIT -- Recalibrates automatic transmission for optimum performance and extended life; Provides crisp shifts on any stock automatic transmission; Eliminates shift overlap and excess wear on clutches and bands due to slippage.
  • Series: B&M Shift improver
  • Product Fit: Direct fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 business days
  • Warranty: 1-year B&M limited warranty
  • Fit note: 4-Speed, Automatic Transmission, transmissionmfrcode : THM700-R4/4L60/MD8
This product fits the following GMC R3500 submodels
  • 1990-1991: SLE; 8 Cyl 5.7L;
  • 1990-1991: SLE; 8 Cyl 6.2L;
  • 1990-1991: SLE; 8 Cyl 7.4L;
  • 1987-1991: Base; 8 Cyl 5.7L;
  • 1987-1991: Base; 8 Cyl 6.2L;
  • 1987-1991: Base; 8 Cyl 7.4L;
  • 1987-1989: High Sierra; 8 Cyl 5.7L;
  • 1987-1989: High Sierra; 8 Cyl 6.2L;
  • 1987-1989: High Sierra; 8 Cyl 7.4L;
  • 1987-1989: Sierra Classic; 8 Cyl 5.7L;
  • 1987-1989: Sierra Classic; 8 Cyl 6.2L;
  • 1987-1989: Sierra Classic; 8 Cyl 7.4L;
  • 1987-1988: Base; 6 Cyl 4.8L;
  • 1987-1988: High Sierra; 6 Cyl 4.8L;
  • 1987-1988: Sierra Classic; 6 Cyl 4.8L;