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Description
B&M Shift Improver Kit - GM TH400/475 Transmissions - 20261Overview: 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
Overview:
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.
Features:
- Perfect for Off-Road, Towing or Street/Strip Use
- Eliminates Soft and Sluggish Shifts
- Over 65 Years of B&M Quality
- Eliminates Shift Overlap
- Provides Crisp Shifts
- Easy Installation
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1988 | Chevrolet | R20 | Custom Deluxe | |
| 1988 | Chevrolet | R20 | Scottsdale | |
| 1988 | Chevrolet | R20 | Silverado | |
| 1988 | Chevrolet | R20 Suburban | ||
| 1989 | Chevrolet | R2500 | ||
| 1989 - 1990 | Chevrolet | R2500 Suburban | ||
| 1988 | Chevrolet | R30 | ||
| 1989 - 1990 | Chevrolet | R3500 | ||
| 1990 | Chevrolet | V1500 Suburban | ||
| 1988 | Chevrolet | V20 Suburban | ||
| 1989 - 1990 | Chevrolet | V2500 Suburban | ||
| 1988 | Chevrolet | V30 | ||
| 1989 - 1990 | Chevrolet | V3500 | ||
| 1988 - 1990 | GMC | C1500 | ||
| 1988 - 1990 | GMC | C2500 | ||
| 1988 - 1990 | GMC | C3500 | ||
| 1988 - 1990 | GMC | G1500 | ||
| 1988 - 1990 | GMC | G2500 | ||
| 1988 | GMC | G3500 | Rally | |
| 1988 | GMC | G3500 | Rally STX | |
| 1988 | GMC | G3500 | Vandura | |
| 1988 | GMC | G3500 | Rally Custom | |
| 1988 | GMC | G3500 | Magnavan | |
| 1988 | GMC | G3500 | Rally Camper Special | |
| 1988 | GMC | G3500 | Vandura Special | |
| 1989 - 1990 | GMC | G3500 | ||
| 1988 - 1990 | GMC | Jimmy | ||
| 1988 - 1990 | GMC | K1500 | ||
| 1988 - 1990 | GMC | K2500 | ||
| 1988 - 1990 | GMC | K3500 | ||
| 1988 - 1989 | GMC | P2500 | ||
| 1988 - 1990 | GMC | P3500 | ||
| 1990 | GMC | R1500 Suburban | ||
| 1988 - 1989 | GMC | R2500 | ||
| 1988 - 1990 | GMC | R2500 Suburban | ||
| 1988 - 1990 | GMC | R3500 | ||
| 1990 | GMC | V1500 Suburban | ||
| 1988 - 1990 | GMC | V2500 Suburban | ||
| 1988 - 1990 | GMC | V3500 | ||
| 1988 - 1990 | Cadillac | Brougham | ||
| 1988 - 1990 | Chevrolet | Blazer | ||
| 1990 | Chevrolet | C1500 | Cheyenne | |
| 1990 | Chevrolet | C1500 | Scottsdale | |
| 1990 | Chevrolet | C1500 | Silverado | |
| 1990 | Chevrolet | C1500 | 454 SS | |
| 1990 | Chevrolet | C1500 | WT | |
| 1988 - 1989 | Chevrolet | C1500 | ||
| 1988 - 1990 | Chevrolet | C2500 | ||
| 1988 - 1990 | Chevrolet | C3500 | ||
| 1988 - 1990 | Chevrolet | G10 | ||
| 1988 - 1990 | Chevrolet | G20 | ||
| 1988 - 1990 | Chevrolet | G30 | ||
| 1988 - 1990 | Chevrolet | K1500 | ||
| 1988 - 1990 | Chevrolet | K2500 | ||
| 1988 - 1990 | Chevrolet | K3500 | ||
| 1988 - 1989 | Chevrolet | P20 | ||
| 1988 - 1990 | Chevrolet | P30 | ||
| 1990 | Chevrolet | R1500 Suburban | ||
| 1988 | Chevrolet | R20 | Cheyenne |
Specs:
| 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 |
| Product Type | Automatic Transmission Valve Body Kit |
| Warning | California Proposition 65 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
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Product Reviews
★★★★★ 5
Reveals Spiritual Truths
Format: Kindle
This book is a very, enlightening and intriguing read for anyone desiring to know more about the spiritual and is effects on our deliverance. I highly recommended this book to anyone in or interested in ministry.
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Reviewed in the United States on October 14, 2025
★★★★★ 5
Great Kingdom Learning Tool
Format: Kindle
Appreciate the revelation, practical knowledge and so many confirmations in scripture. The proof also is the fruit and the results in the Kingdom manifesting in freedom for us here on earth!!
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Reviewed in the United States on August 13, 2025
★★★★★ 5
How to understand the regions of captivity you may find yourself in and be free in Jesus name.
Format: Paperback, Format: Paperback
I enjoyed the reading of Regions of Captivity by Dr. Ana Mendez Ferrell, recommended by my Pastor at SGLM. This book is so important in our understanding of the different levels of regions captivity, we can find ourselves in and not realize that we are in bondage as a Christian or as a non-Christian. All we know that things are not working out, you are feeling a certain way, and you keep seeing a repeat of things happening in your life and in your family life as well, that's because your soul is in captivity in one of the regions that's revealed in this book. I highly recommend this book so you will know how to fight and release your soul and your bloodline out of these regions of captivity. And I thank God for showing us how the enemy is fighting against us in the spiritual realm and how we can be set free, because whom the LORD sets free is free indeed. Amen
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Reviewed in the United States on August 8, 2024
★★★★★ 5
Insight
Format: Paperback
Captivity book will give you much insight for learning purposes.
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Reviewed in the United States on March 21, 2026
★★★★★ 5
I definitely plan on reading this book again-it is necessary to read it a few times to better understand some things
It was a very unique book. IT opens a whole new dimension to spiritual warfare-it's incredible but a little advanced for me. I'm no stranger to demonic warfare as I have cleared a few houses of this phenomina and my own from time to time. Surely this is the most advanced book I have run across. It also deals with healing and getting into the spirit to stand before and talk directly to God and Jesus. I have a friend that also visits the holy one's and Anna's experiences are very similir so I believe her wholeheartedly. She then exposes how the Demons take controll of whole cities-I read this also in John Ramirez's books(he was an ex-satan worshiper) so I think she is spot on. Also of interest is the multi-generational curses that hold families hostage-she gets into that too. I disagree strongly with her view on astral projection-it is not always demonic in nature. I have done it for many years and I am not satanic at all-but a strong believer in God. Also I disagree with her views about hospitals. I definitely plan on reading this book again-it is necessary to read it a few times to better understand some things. If someone is interested in opening themselves up to seeing and hearing in the spirit world this is one of the books to read.
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Reviewed in the United States on February 1, 2016