Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
SS4+ Brake System Rear 4302438BFits Rear Ends w GM Small Pattern 10 12 bolt Bearing on Axle (BOA) w Flush Mount Bearing Housing Ends, (5x4. 75", 5x5"BC) 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 w Billet Aluminum Hat
Fits Rear Ends w/GM Small Pattern 10/12 bolt Bearing on Axle (BOA) w/Flush Mount Bearing Housing Ends, (5x4.75", 5x5"BC)
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 w/Billet Aluminum Hat
Specs:
| Axle | Rear |
|---|---|
| Axle Flange | GM Small Pattern 10/12 Bolt with Flush Mount Bearing |
| Brand | Baer Brakes |
| Caliper | S4 |
| Caliper Color | Black |
| Disc Brake Caliper (Rear) Piston Quantity | 4 |
| Disc Brake Caliper (Rear) Type | Fixed |
| Disc Brake Pad FMSI Number | DR1-C |
| Disc Brake Rotor (Rear) Construction | Vented |
| Disc Brake Rotor (Rear) Outside Diameter | 13.000IN |
| Emission Code | 6 |
| Export Description | Brake Components |
| Grade Type | Performance |
| Hose Material | Stainless Steel |
| Includes Park Brake | Yes |
| Includes Park Brake Cables | No |
| Lug Count | 5 Lug |
| Min Wheel Dia (verify using template) | 17IN |
| Product Line | 13 Inch SS4+ |
| Product Type | 13 Inch SS4+ Rear 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 - Short Label | WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov |
| Prop 65 Yes/No | Yes |
| Rotor Thickness | .810IN |
| Rotor Type | 2-Piece |
| Surface Type | Slotted, Drilled & Zinc Plated |
| System Notes | Fits GM Small Pattern 10/12 Bolt Bearing on Axle Housing Ends w/Flush Mount Bearing, 2.780" axle register |
| Template | S135H |
| Title | SS4+ Brake System Rear |
| Wheel Lug/Bolt Pattern | 5x4.75/5x5.00 |
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
4.4 ★★★★★
Based on 1826 reviews
Sort
Product Reviews
★★★★★ 5
Great product
Style: desk drawer with pen holder
Good finish for the price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
★★★★★ 5
Matches Balolo perfectly
Style: desk drawer with pen holder
Look nice and compliment my Balolo perfectly. Without the ridiculous cost and shipping.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 4
Stylish and Solid, but Mostly Paying for the Aesthetic
Style: desk drawer with pen holder
Product: Upergo Walnut Desk Tray and Pen Holder
Used for: 7 months
Key Features:
– Attractive walnut wood design
– Solid construction with a premium feel
– Helps organize pens and desk accessories neatly
Ratings:
Quality:
The quality feels very solid overall. The wood and finish look great, and it has held up well over months of use without any noticeable wear or issues.
Rating: 5/5
Performance:
It does exactly what it’s supposed to do. It keeps the desk organized, holds pens and small items well, and adds a clean, professional look to the setup.
Rating: 5/5
Value:
Honestly, it’s pretty pricey for what it is. A lot of the cost feels like it’s going toward the aesthetics and walnut finish rather than functionality.
Rating: 3/5
Pros:
– Looks very clean and premium
– Solid and sturdy build
– Great for desk organization
– Adds a nice aesthetic touch to a setup
Cons:
– Expensive for a fairly simple product
Summary:
The Upergo Walnut Desk Tray and Pen Holder is a well-made and attractive desk accessory that does a great job organizing small items while making a setup look more polished. The build quality is solid and the walnut finish looks great, but the price is definitely on the high side for what is ultimately a simple organizer. If aesthetics matter to you, it’s a nice addition, but you’re definitely paying extra for the look.
Overall Rating: 4/5**
Disclaimer: This review is based on my personal experience using the product. I’m not an expert—just sharing my honest thoughts to help others make an informed decision.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 5
Great, using it now
Style: desk drawer with pen holder
Great, using it now
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Good materials and design
Style: desk drawer with pen holder
Don’t write reviews often. Not a fake/paid elicited review. I just got this and am pleased with the build quality, materials (wood and metal), and design.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 28, 2026
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