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.

• Inspected for balance; resulting in smooth brake operation and noise reduction
• Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products
• Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration

ABS Tone Ring Included:	No
Bolt Circle Diameter (in):	3.94
Bolt Circle Diameter (mm):	100
Bolt Hole Quantity:	4
Brake Surface Finish:	Turned
Center Bore Diameter (in):	2.24in
Center Bore Diameter (mm):	56.9mm
Depth:	2.13
Depth:	54.1
Discard Thickness (in):	9.09
Discard Thickness (mm):	231
Grade Type:	Regular
Height (in):	4.2
Length (in):	9.09
Material:	Cast Iron
Maximum Brake Diameter (Discard):	230.89
Mount Hole Diameter (in):	0.577in
Mount Hole Diameter (mm):	14.656mm
Nominal Drum Diameter:	0.358
Nominal Drum Diameter:	9.1
Outer Cooling Fins:	No
Outside Diameter:	0.42
Outside Diameter:	10.65
Programming Required:	No
Stud/Lug Hole Diameter:	0.557
Stud/Lug Hole Diameter:	14.15
Stud/Lug Hole Quantity:	4
Weight:	11.9
Width (in):	13

• 2003-2007 Saturn Ion | Position: Rear
• 2005-2008 Chevrolet Cobalt | Position: Rear
• 2005-2006 Pontiac Pursuit | Position: Rear
• 2007-2008 Pontiac G5 | Position: Rear