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1987, 1986, 1985, 1984, 1983, 1982, 1981, 1980, 1979 GMC P3500 Automatic Transmission Shift Kit
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1979 - 1987 GMC P3500 Automatic Transmission Shift Kit (B&M) NEW

Out of Stock
$ 106 .86

Product Notes

Incl. Gaskets/Seals/Drill Bit/Fluid Separators
Shift Improver Kit Automatic Transmission Shift 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.
Brand: B&M
Condition: New
See Other GMC P3500 Automatic Transmission Shift Kits
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
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Specifications & Info


Attribute Value
Automotive Item Grade High Performance
Manual Control No
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 CA Proposition 65 No

Vehicle Fitment Guide

This part fits the following vehicles:

GMC 1 model (tapclick to expand)(tapclick to hide)
P3500 1979-1987 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Stripped Chassis 1982 - 1987 V8 6.2L DIESEL RWD Automatic & Manual
Base Stripped Chassis 1979 - 1987 L6 4.8L RWD Automatic & Manual
Base Stripped Chassis 1979 - 1987 V8 5.7L RWD Automatic & Manual
Base Stripped Chassis 1979 - 1987 V8 7.4L RWD Automatic & Manual
Value Van Delivery Van 1982 - 1987 V8 6.2L DIESEL RWD Automatic & Manual
Value Van Delivery Van 1979 - 1987 L6 4.8L RWD Automatic & Manual
Value Van Delivery Van 1979 - 1987 V8 5.7L RWD Automatic & Manual
Value Van Delivery Van 1979 - 1987 V8 7.4L RWD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

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Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
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.

Fits Years: 1979 1980 1981 1982 1983 1984 1985 1986 1987

Fits Models: P3500

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