Description:
DRUM RR BR (B)
ACDelco Professional Brake Drums are constructed with G3000 SAE qualified material for structural integrity and maximum service life. They are tested to ISO/TS 16949 quality system standards and validated for balance to provide better braking performance. Chamfer angle, vane configuration, and plate thickness all follow the OE design, making them a premium aftermarket replacement for your GM and non-GM vehicle. Also, no machining is required. ACDelco Professional Brake Drums are ready to be installed right out of the box. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov
Features and Benefits:
- Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration
- Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products
- Inspected for balance; resulting in smooth brake operation and noise reduction
Specifications:
ABS Tone Ring Included:
No
Bolt Circle Diameter (in):
4.75 in
Bolt Circle Diameter (mm):
120.7 mm
Brake Surface Finish:
Turned
Center Bore Diameter (in):
2.79in
Center Bore Diameter (mm):
70.8mm
Discard Thickness (in):
9.56 in
Discard Thickness (mm):
242.8 mm
Maximum Brake Diameter (Discard):
242.82 mm
Mount Hole Diameter (in):
0.476in
Mount Hole Diameter (mm):
12.09mm
Nominal Drum Diameter:
0.376 in.
Nominal Drum Diameter:
9.55 mm
Outside Diameter:
0.451 in.
Outside Diameter:
11.45 mm
Stud/Lug Hole Diameter:
0.471 in.
Stud/Lug Hole Diameter:
11.95 mm
Stud/Lug Hole Quantity:
5
Features and Benefits:
- – Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
- – Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
- – Check the thickness of your brake pads.
- – Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
- – Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
- – Inspection of the brake hoses for brittleness or cracking.
- – Inspection of wheel bearings and grease seals.
- – Parking brake adjustments (as needed).
- The following inspections and maintenance procedures can help prevent potential brake problems:
- The following should be conducted by a qualified technician:
Specifications:
