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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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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
4.1 ★★★★★
Based on 1451 reviews
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Product Reviews
★★★★★ 5
The Best Clean Beauty Facial Sun Screen!
This spring I tried four different clean beauty facial sunscreens. This is my favorite. First, it goes on with a light tint that rubs in, which moisturizers and becomes a primer for my bare minerals powder foundation makeup. Absolutely no flacking after applying the powder. (Many times if I am just out walking, playing pickleball or working in my garden I just wear this and skip the makeup) Second, the scent is so nice and light. Third, and actually most importantly is the rating on Yuka of excellent and that it works very well in the sun. I have worked hard to find only clean beauty products for my skin and I so appreciate of companies that provide them at an affordable price. I highly recommend this sunscreen.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Very thick but it's great otherwise as a light indoors sunscreen
I didn't mean to buy two, so definitely gonna return one. Two ounces, but for $12 that's pretty decent! Looks like this is mostly made for just the face and neck, so if you use it for your whole body then yeah, not worth the price. But just for the face? This will last me a long time. Most nice face sunscreens are like $20 for 1.5oz so $12 for 2oz is great.
I didn't pay enough attention and saw that it was SPF 30 once it got here. Which has me very confused because there's 24% zinc in it. That's almost the cap. Much higher SPF products have half that amount. It also has other plant extracts which are said to boost spf so I really don't get why this is so low.
I'm hoping the ppd at least is high, even though we have no way of really knowing with American sunscreens and even companies who do measure are greedy with that information and refuse to tell. So we are left guessing most of the time.
But, SPF is UVB rays. UV-burning. Ppd is UVA. UV-aging. Apparently American sunscreens have terrible UVA protection, or they just don't tell us at all. So the fact a few people in here were saying they were tanning through this sunscreen shows me that perhaps it's not very high, or that this is more of an incidental "I'm not going outside too much" sunscreen. Which, not surprising. SPF 30 lol.
Its very thick and moisturizing, so this seems like it would be the perfect winter sunscreen when the UV index is low and the air is dry. Its also difficult to find tinted sunscreens for very fair skin. And on the off chance there is one, it's usually either too dark anyway, or has an orange tint.
This one may be a sunscreen not best for darker skin types but man is the tint perfect for the palest of us! It has light coverage too. I mean my flaws aren't blurred or anything but my acne scars are a bit lighter colored.
And the great thing about tint, is it gives protection again VL/visible light. Only tinted sunscreens offer that extra bit of protection. I just wish the spf were higher! It also has a very light orangey smell. Also is water proof. So they say. It washed off a bit too easy for me to believe that though.
All in all it's a nice sunscreen. But I don't think I will re-purchase this once I run out in the warmer months, though I may consider it again once fall hits.
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Reviewed in the United States on August 8, 2024
★★★★★ 4
Clean ingredients, great price, but...
I want to love this product but I personally can't stand the oily texture and the smell. Maybe if you have super dry skin it will feel great on your skin
PROS: The ingredients are great! super clean, the percentage of zinc oxide is perfect and almost the highest % recommended by dermatologists, so it protects the skin really well, no white cast because it's slightly tinted (a little cast at the beginning then it fades away)
CONS (in my skin): it leaves my face super oily I have to use rice paper after I apply it to absorb the oiliness [sigh], I don't like the smell it bothers me a lot, it smells like old makeup.
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Reviewed in the United States on June 25, 2024
★★★★★ 5
Perfect Everyday Tinted Face Sunscreen
I am a long-time user of Think body sunscreen and tried this to replace my current department store tinted face sunscreen, which is being discontinued. I was amazed how well this performed, given the low price! It is literally 1/4 of the cost of my current face sunscreen and I am almost as happy with it! It was much lighter in tint than I was expecting, but blended easily and provided more "cosmetic" coverage than my current tinted face sunscreen, but without looking making me look made-up. My skin is light with reddish undertones, and it really helped to tone the red down as well, an unexpected bonus. That said, I typically use make up that is either the 2nd (or occasionally 3rd) from the fairest shade in the line, regardless of brand, and I am not sure how well this product would work on someone whose skin is even a little darker than mine, without being obvious. It is definitely too light for my sons, who have more olive-toned complexions. This product is highly moisturizing, and does take about 10 minutes to "set" before I feel comfortable applying powder to cover up the shine it leaves (a little more than a "glow"). Its efficacy is excellent--I really put it to the test outdoors and was pleased to see I had not to picked up any color from the sun when I washed it off. The other big plus is that it did not make me break out, and I have what my dermatologist calls, "reactive skin," which means anything from chemicals in face products to the hairdryer at the salon have been known to set it off. Finally, like their body sunscreen this face sunscreen gets a safety rating of "1" from the Environmental Working Group. I think I have found a winner!
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Reviewed in the United States on September 3, 2019
★★★★★ 5
Nice face sunscreen!
Great face sunscreen! It has high zinc and looks nice under makeup. I will continue to purchase. Not sure why it’s only a SPF of 30. It has 24% zinc which is higher. It’s a little thicker than some of the thinner ones I’ve used but I like that. I feel I’m getting good coverage
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Reviewed in the United States on April 2, 2026
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