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Description
1965-1970 Biscayne Extreme+ Brake System Rear 4302420MGFits 1965 70 GM Full Size Passenger Cars w OE Large Pattern 10 12 Bolt C Clip (BIH) Housing Ends Features: 1 Piece Monoblock, 6 Piston, 6S Caliper Manufactured in Phoenix, AZ CNC Machined from US Sourced 2618 Aluminum Forging Powder Coated Finish Stainless Steel Pistons, Abutments and Noise Suppression Clips Staggered Pistons to Minimize Uneven Pad Wear Dual Seals, Dust Weather & Pressure 2 Piece Slot, Drilled, Zinc Plate Rotor w Billet Aluminum Hat
Fits 1965-70 GM Full Size Passenger Cars w/OE Large Pattern 10/12 Bolt C-Clip (BIH) Housing Ends
Features:
- 1-Piece Monoblock, 6-Piston, 6S Caliper Manufactured in Phoenix, AZ
- CNC Machined from US Sourced 2618 Aluminum Forging
- Powder Coated Finish
- Stainless Steel Pistons, Abutments and Noise Suppression Clips
- Staggered Pistons to Minimize Uneven Pad Wear
- Dual Seals, Dust/Weather & Pressure
- 2-Piece Slot, Drilled, Zinc-Plate Rotor w/Billet Aluminum Hat
Specs:
| Applications | GM Full Size Pass Cars 65-70 |
|---|---|
| Axle | Rear |
| Brand | Baer Brakes |
| Caliper | 6S |
| Caliper Color | Monster Green |
| Disc Brake Caliper (Rear) Piston Quantity | 6 |
| Disc Brake Caliper (Rear) Type | Floating |
| Disc Brake Pad FMSI Number | D1247 |
| Disc Brake Rotor (Rear) Construction | Vented |
| Disc Brake Rotor (Rear) Outside Diameter | 14.000IN |
| Emission Code | 6 |
| Export Description | Brake Components |
| Fitment Notes | w/OE Large Pattern 10/12 Bolt C-Clip (BIH) Housing Ends |
| 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) | 18IN |
| Product Line | 14 Inch Extreme+ |
| Product Type | 14 Inch Extreme+ 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 | 1.250IN |
| Rotor Type | 2-Piece |
| Surface Type | Slotted, Drilled & Zinc Plated |
| System Notes | For stock C-Clip rear end |
| Template | N085P |
| Title | Extreme+ Brake System Rear |
| Wheel Lug/Bolt Pattern | 5x4.75 |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1965-1970 | Chevrolet | Biscayne | |
| 1969-1970 | Chevrolet | Brookwood | |
| 1965-1970 | Chevrolet | Bel Air | |
| 1966-1970 | Chevrolet | Caprice | |
| 1965-1970 | Chevrolet | Impala | |
| 1965-1967 | Chevrolet | Malibu |
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]
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4.3 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Great quality!
Fit Type: Boyshort, Size: Small, Color: Assorted Colors
I love them! They are simply comfortable and great quality. I use them every day I got one clean lmao 🤣 they are soft but they fit perfectly. Love it!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Fantastic
Fit Type: Boyshort, Size: X-Large, Color: Assorted Colors
I love these. These are so comfortable. They’re soft they’re silky. They fit just perfectly. I am definitely gonna be buying more of these because they are fantastic.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Great quality
Fit Type: Boyshort, Size: X-Large, Color: Assorted Colors
⭐️⭐️⭐️⭐️⭐️ Super Comfortable and Great Fit!
I absolutely love these Hanes seamless boyshorts! The fabric is soft, stretchy, and doesn’t dig in at all. They stay in place perfectly throughout the day—no rolling or riding up. I love the mix of neutral and soft colors in the pack, and they hold up really well after washing. Perfect for everyday wear, lounging, or even under leggings since they don’t show lines. Definitely worth the price—will be buying more!
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Reviewed in the United States on October 22, 2025
★★★★★ 4
Reliable comfort
Fit Type: Boyshort, Size: X-Large, Color: Assorted Colors
I’ve tried a few cotton underwear brands, and these Hanes Originals boxer briefs are a dependable everyday option. Here’s my take after a few weeks of regular wear and wash cycles.
Comfort and Fit
Fabric:** 90–95% cotton with a touch of elastane/spandex for stretch. The material feels soft against the skin and breathes well, which helps avoid that suffocating feeling on hot days.
Elastic & Waistband:** The waistband sits comfortably at the natural hip line without digging in. It maintains shape after several washes, which is a plus compared to some cheaper cotton blends.
Rise & Coverage:** The mid-thigh rise offers modest coverage without feeling bulky. They stay in place during daily activities, workouts, and quick stretches.
Style and Practicality
Design:** Classic, no-frills styling that works well under jeans, skirts, or dresses. The boxer brief cut provides a little more coverage than regular briefs without feeling like bloomers.
4-Pack Value:** The 4-pack is convenient for rotation and helps keep laundry cycles simple. Inexpensive enough to replace slightly worn pairs without guilt.
Colorway:** Basic, versatile colors that pair with most outfits. If you’re after bright or patterned options, you might want to look elsewhere.
Durability and Care
Washability:** They hold up well in standard machine washes and tumble dry cycles. The fabric doesn’t pill noticeably, and the waistband maintains elasticity after multiple washes.
Pilling:** Minimal pilling for the first several months. If you’re tough on underwear or frequently wash on high heat, you may notice some wear sooner than later.
Comfort in Different Scenarios
Everyday Wear:** Great for day-to-day comfort and all-day wear. The breathable cotton keeps you cooler in warmer weather.
Active L activities:** Suitable for light workouts or active days, though for intense workouts you might prefer moisture-wicking blends.
Under Tight Clothing:** The smooth fabric and mid-thigh length work nicely under leggings or fitted outfits without visible lines.
Pros
Soft, breathable cotton blend
Comfortable waistband that doesn’t roll or dig
True mid-thigh coverage
Good value with a 4-pack
Durable after multiple washes
Cons
Not moisture-wicking like athletic-oriented underwear (if you need to stay dry during intense workouts)
Some people prefer a higher or lower rise depending on body type
Colors are basic; if you want prints or bolder colors, options are limited
Who I’d Recommend These For
Anyone seeking affordable, comfortable everyday underwear with a classic mid-thigh boxer brief silhouette.
People who prioritize cotton and breathability over high-tech moisture-wicking fabrics.
Those who like a simple, versatile pack suitable for mixed wardrobes.
If you’re deciding between Hanes Originals and something with more performance features, these are a solid everyday staple. They won’t wow you with luxury, but they deliver reliable comfort and durability at a sensible price.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Postpartum Opinion
Fit Type: Boyshort, Size: X-Large, Color: Assorted Colors
Bought the boy shorts size XL for postpartum and am still wearing them 8 months later! Holds all the postpartum goods in but are super stretchy too. Sooooo comfy! They do roll up when putting pants on but if you’re wearing them to bed or around the house, amazing!
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Reviewed in the United States on March 30, 2026