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Description
1973-1977 Century SS4 Brake System Rear 4302409GBFits 1964 77 GM A Body Cars w OE Small Pattern 10 12 Bolt Bearing on Axle (BOA) Housing Ends, Also Fits Hybrid 10 12 Bolt Non Flush Mount 3. 150" Bearing 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 1 Piece Slot, Drilled, Zinc Plate
Fits 1964-77 GM A-Body Cars w/OE Small Pattern 10/12 Bolt Bearing on Axle (BOA) Housing Ends, Also Fits Hybrid 10/12 Bolt Non-Flush Mount 3.150" Bearing
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
- 1-Piece Slot, Drilled, Zinc-Plate Rotor
Specs:
| Applications | GM A-Body 64-77 |
|---|---|
| Axle | Rear |
| Brand | Baer Brakes |
| Caliper | S4 |
| Caliper Color | Grabber Blue |
| 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 | 12.000IN |
| Emission Code | 6 |
| Export Description | Brake Components |
| Fitment Notes | w/Hybrid 10/12 Bolt Non-Flush Mount 3.150" Bearing |
| Fitment Notes | w/OE Small Pattern 10/12 Bolt Bearing on Axle (BOA) Housing Ends |
| Grade Type | Performance |
| Hose Material | Stainless Steel |
| Includes Park Brake | Yes |
| Includes Park Brake Cables | Yes |
| Lug Count | 5 Lug |
| Min Wheel Dia (verify using template) | 16IN |
| Product Line | 12 Inch SS4 |
| Product Type | 12 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 | 1.020IN |
| Rotor Type | 1-Piece |
| Surface Type | Slotted, Drilled & Zinc Plated |
| System Notes | For stock 10 or 12 bolt bearing on axle (BOP) rear end, also fits 10/12 "hybrid" rear w/ Ford 3.150" bearing |
| Template | S113E |
| Title | SS4 Brake System Rear |
| Wheel Lug/Bolt Pattern | 5x4.75 |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1973-1977 | Buick | Century | |
| 1964-1972 | Buick | Skylark | |
| 1975-1977 | Buick | Skylark | |
| 1964-1969 | Buick | Special | |
| 1964-1972 | Buick | Sportwagon | |
| 1964-1971 | Oldsmobile | 442 | |
| 1964-1972 | Oldsmobile | F85 | |
| 1964-1977 | Oldsmobile | Cutlass | |
| 1964-1973 | Pontiac | GTO | |
| 1964-1977 | Pontiac | LeMans | |
| 1964-1970 | Pontiac | Tempest |
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 27 reviews
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Product Reviews
★★★★★ 5
Elegant and spacious
Color: Beige and Black With Matching Wallet
What a great purse, spacious and elegant. Sturdy, love the studs on the bottom, so it protects from damage. Colors go with most outfits. Well made and great value.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
My bag for all seasons!
Color: Gold and Black Flower With Matching Wallet
Love it! Stylish. Well made.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Your endless search for a stylish and functional bag ends here
Color: A5 Black and White
About three years ago, I bought this really cute navy blue and white striped handbag at Target and after about a year and a half of faithful service, the cloth lining started to fall apart. Every fiber of my being wanted to buy a new handbag and replace it but since I couldn't find anything I liked, I painstakingly sewed the lining back into place and carried on using the purse until its state of disrepair was beyond anything my novice sewing skills were capable of fixing.
This should indicate that I'm not the kind of person who just buys any handbag. I need it to have compartments. I need it to have a zipper that shields the purse's precious contents from the elements. I need it to be able to fit my Chromebook in the event that I'm traveling somewhere and need to bring it along. I need it to have functionality for both the typical workday and for weekend adventures. Lastly, I don't necessarily "need" it to match with most of my work clothes, but it's an added bonus when I can carry a handbag that makes me look effortlessly put together.
And here it is. I can tell that this is a handbag that will last me a long time, and I won't need to get out the needle and thread to maintain it. It looks sharp, it's sturdy, it fits everything, and the color I purchased even included a matching wallet. It was a big leap for me to buy a handbag without being able to have that tactile in-store "yes this will work for me" experience so if you're the kind of person who waffles back and forth about buying a handbag sight unseen via an online retailer, worry no more. This is the one.
However, a word of caution: If you're looking for something relatively small, this isn't it. This is a carry-everything-get-the-job-done-and-be-practical-and-cute-at-the-same-time type of handbag so if you're looking for something a little more portable, like for a night out, I'd recommend picking a style that includes the matching wallet so you can use it as a wristlet.
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Reviewed in the United States on June 1, 2018
★★★★★ 4
Beautiful But Heavy
Color: A3 Purple and Black
I bought this bag in black and purple and it's roomy and beautiful. I love how it looks and it's a good-quality, sturdy bag. That said, it's really stiff and heavy. Its weight and rigidity remind me of a briefcase that I carried in the '80s. Also, since it doesn't have any dividers in the middle, it's easy for things to fall to the bottom and get buried. This, however, was easily remedied by buying an insert purse organizer.
If you can live with all of that (I can see how some could) it's a great buy. As I mentioned before, it's a very nice, high-quality bag.
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Reviewed in the United States on January 17, 2025
★★★★★ 5
Good brand and great price
Color: Beige and Black With Matching Wallet
This brand always has great bags and purses I have a few more by this brand. Very spacious and good price!
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Reviewed in the United States on March 12, 2026