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Description
1978-1988 Regal S4 Brake System Front 4301438MGFits 1978 88 GM G body Vehicles (Comes Assembled on Stock Height Spindles) Features: 2 Piece, 4 Piston, S4 Caliper Manufactured in Phoenix, AZ CNC Machined from US Sourced Forged or Billet Aluminum Powder Coated Finish Hard Anodized Aluminum Pistons, Stainless Steel Abutments and Noise Suppression Clips Dual Seals, Dust Weather & Pressure 2 Piece Slot, Drilled, Zinc Plate Rotor Specs: Applications GM G Body 78 88 Axle Front Brand Baer Brakes Caliper
Fits 1978-88 GM G-body Vehicles (Comes Assembled on Stock Height Spindles)
Features:
- 2-Piece, 4-Piston, S4 Caliper Manufactured in Phoenix, AZ
- CNC Machined from US Sourced Forged or Billet Aluminum
- Powder Coated Finish
- Hard Anodized Aluminum Pistons, Stainless Steel Abutments and Noise Suppression Clips
- Dual Seals, Dust/Weather & Pressure
- 2-Piece Slot, Drilled, Zinc-Plate Rotor
Specs:
| Applications | GM G-Body 78-88 |
|---|---|
| Axle | Front |
| Brand | Baer Brakes |
| Caliper | S4 |
| Caliper Color | Monster Green |
| Disc Brake Caliper (Front) Piston Quantity | 4 |
| Disc Brake Caliper (Front) Type | Fixed |
| Disc Brake Pad FMSI Number | DR1 |
| Disc Brake Rotor (Front) Construction | Vented |
| Disc Brake Rotor (Front) Outside Diameter | 11.000IN |
| Emission Code | 6 |
| Export Description | Brake Components |
| Fitment Notes | Comes Assembled on Stock Height Spindles |
| Grade Type | Performance |
| Hose Material | Stainless Steel |
| Includes Spindles | Yes, Stock Height |
| Lug Count | 5 Lug |
| Min Wheel Dia (verify using template) | 15IN |
| Product Line | 11 Inch SS4+ |
| Product Type | 11 Inch SS4+ Front Brake Kit |
| Prop 65 (C, R or CR) | CR |
| Prop 65 - Long Label | WARNING: This product can expose you to chemicals including Toluene Diisocyanate, and Nickel which are known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov |
| Prop 65 Yes/No | Yes |
| Rotor Thickness | 1.020IN |
| Rotor Type | 2-Piece |
| Surface Type | Slotted, Drilled & Zinc Plated |
| System Notes | Comes pre-assembled on modified stock spindles, Widens track width .400" per side |
| Template | S125A |
| Title | S4 Brake System Front |
| Wheel Lug/Bolt Pattern | 5x4.75 |
| Wheel Stud Size | M12-1.50 x 51.5mm |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1978-1988 | Buick | Regal | |
| 1978-1987 | Chevrolet | El Camino | |
| 1978-1983 | Chevrolet | Malibu | |
| 1978-1988 | Chevrolet | Monte Carlo | |
| 1978-1981 | Oldsmobile | Cutlass | |
| 1985-1988 | Oldsmobile | Cutlass | |
| 1978-1988 | Oldsmobile | Cutlass Supreme | |
| 1978-1988 | Pontiac | Grand Prix |
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
4.7 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Compact and exactly as pictured! Great quality leather.
Color: Black (Bifold), Color: Black (Bifold)
I am very satisfied with this wallet; it is exactly as described in the listing and shown in the photos.
Key Features:
• ID Compartment: There is a dedicated section for your ID. It features a mesh cover rather than a fully transparent plastic window. Personally, I don't find this to be a problem because I usually take my ID out to show it anyway, rather than handing over my whole wallet.
• Spacious for Bills: Even though it’s a compact bifold, there is plenty of room for bills to fit flat without folding them. There is even a bit of extra space left over.
• Design & Size: It’s a very compact and neat wallet, perfect for those who prefer front-pocket options or don't want a bulky feel.
Final Verdict:
The "full grain patina" leather looks and feels great. If you are looking for a reliable, well-made, and compact wallet, this is a perfect choice.
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Reviewed in the United States on March 29, 2026
★★★★★ 4
Durable Leather Wallet with a Minimal Design
Color: Black (Bifold)
This is a nice, heavy-duty wallet that feels built to last. The leather quality is good right out of the box, though it’s a bit stiff at first. If you prefer a softer feel, applying some leather conditioner or Neatsfoot oil helps break it in nicely.
The layout is simple and practical. Three card slots on one side, an ID holder on the other, and a full-length pocket for cash. It keeps things minimal, which is great if you don’t want a bulky wallet sticking out of your pocket.
The only thing I wish it had is RFID protection, but aside from that, it’s a solid everyday wallet that does exactly what it’s supposed to do.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Rugged, Practical, and Built to Last
Color: Brown (Bifold)
I’ve been using this Carhartt full grain leather wallet for a while now, and it’s exactly what you’d expect from the brand—tough, reliable, and no-nonsense. The leather has a really nice feel right out of the box, and over time it’s developed a great patina that gives it that broken-in, worn-in look without feeling worn out.
I work in a pretty hands-on environment, so my wallet takes a beating being in and out of pockets, around dust, dirt, and everything else—and this one holds up without any issues. The stitching is solid, and the leather doesn’t feel like it’s going to crack or fall apart like some cheaper wallets I’ve had in the past.
I went with the bifold style, and it has plenty of room for cards, cash, and IDs without feeling bulky. It strikes a good balance between capacity and comfort in your pocket. Everything stays secure, and it doesn’t stretch out too quickly either.
Overall, if you want a durable, good-looking wallet that actually gets better with age, this is a solid choice. Definitely feels like something you’ll have for years.
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Reviewed in the United States on March 19, 2026
★★★★★ 2
Unless you're buying it for a child, I'd pass on this one.
Color: Black (Bifold)
Gotta say I'm pretty disappointed with this item. It's literally just 2 pieces of leather sewn together. Very flimsy, and all edges are raw/unfinished. The reason it's still getting a couple star rating is because it is a good size for a standard wallet, and it would be comfortable as it is so floppy, but you could probably expect to end up with bent or broken credit cards because of that. Overall I'd say your just paying for the name on this one and I'd pass unless you can get it for super cheap, for there's no way this thing is going to last the test of time.
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Reviewed in the United States on March 17, 2026
★★★★★ 3
not impressed
Color: Brown (Bifold), Color: Brown (Bifold)
I own several articles of Carhartt clothing, most of which i got from a thrift store; it has been said that Carhartt meant quality--and quality meant high prices.
When a Carhartt item became available through the Vine program, I was surprised, and decided that I would use this opportunity to pick up what I thought was going to be a good quality wallet.
Nope.
For what they ask for their stuff, you would assume that it was made with high quality materials and in the united states. this wallet misses the mark on both of those points.
it is clearly stated on both the packaging and inside the wallet itself that it is made in india. the leather is thin and and may be so to effect the rapid aging and forming of the wallet around its contents, but it only has 3 card slots and a mesh-windowed ID card slot, so that seems like a stretch of an excuse. More likely, Carhartt cheaped out on materials. the stitching looks like it is made with plasticky thread , which may not hold up very long.
but it IS embossed with the Carhartt logo, which is all some people need.
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Reviewed in the United States on March 26, 2026
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