Abs Tone Ring IncludedNo
Bolt Circle Diameter3.94 IN
Center Bore Diameter (In)2.41in
Center Bore Diameter (Mm)61.1mm
Grade TypeRegular
Length (In)8.06 in
MaterialCast Iron
Maximum Brake Diameter (Discard)8.031 IN
Mount Hole Diameter (In)0.574in
Mount Hole Diameter (Mm)14.58mm
Nominal Drum Diameter8.06 IN
Outside Diameter9.27 IN
Stud/Lug Hole Diameter0.566 IN
Bolt Hole Quantity4
Brake Surface FinishTurned
Depth1.71 IN
Discard Thickness (In)8.06 in
Discard Thickness (Mm)204.7 mm
Faq - Answer 1No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
Faq - Answer 2Yes, ACDelco also offers GM OE and Advantage brake drums.
Faq - Answer 3No, but it is a good idea to inspect them at every tire rotation.
Faq - Question 1Do I have to replace all my brake parts when replacing my brake drums?
Faq - Question 2Does ACDelco offer other grades of brake drums?
Faq - Question 3Do I have to replace my brake drums after a certain amount of time?
Features Benefits - Bullet 1Inspected for balance; resulting in smooth brake operation and noise reduction
Features Benefits - Bullet 2Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products
Features Benefits - Bullet 3Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration
Good Maintenance Practices - Section 1 - Bullet 1Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Good Maintenance Practices - Section 1 - Bullet 2Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 3Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
Good Maintenance Practices - Section 1 - Bullet 4Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - HeaderThe following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - Section 2 - Bullet 1Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - Bullet 3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4Parking brake adjustments (as needed).
Good Maintenance Practices - Section 2 - HeaderThe following should be conducted by a qualified technician:
Height (In)2.8 in
Outer Cooling FinsNo
Product DescriptionACDelco 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 valid
Programming RequiredNo
Signs Of Wear Troubleshooting - Section 1 - Bullet 1Reduced braking force.
Signs Of Wear Troubleshooting - Section 1 - Bullet 2Low brake pedal height.
Signs Of Wear Troubleshooting - Section 1 - Bullet 3Increased stopping distances.
Signs Of Wear Troubleshooting - Section 1 - Bullet 4Squealing or scraping noises.
Signs Of Wear Troubleshooting - Section 1 - Bullet 5Brake pedal pulsation (not to be confused with normal ABS operation).
Signs Of Wear Troubleshooting - Section 1 - HeaderBrake Drum signs of wear include:
Stud/Lug Hole Quantity4
Weight8.25 LB
Width (In)10.8 in