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Part TypeBrake Rotor
BrandACDELCO
Package Height4.2
Package Width14.1
Package Length14.1
Weight26.5
Part CategoryReplacement Parts
Overall Height2.19
Programming RequiredNo
Discard Thickness28
Center Bore Diameter (Mm)78.6mm
Overall Rotor Diameter (Mm)329.95mm
Center Bore Diameter (In)3.1in
Center Hole Diameter78.5
Directional Or Non-Directional Brake SurfaceNon-Directional
Features & Benefits - Bullet 6Premium aftermarket replacement part
Features & Benefits - Bullet 7Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Inside Diameter8.555
Features & Benefits - Bullet 2Black coating on hat and vanes
Disc FinishGround
Bolt Hole Quantity6
Features & Benefits - Bullet 3Quality validated for proper metallurgy and correct brake plate thickness
Features & Benefits - Bullet 4Tighter tolerances similar to GM OE specifications
Features & Benefits - Bullet 5Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Stud/Lug Hole Quantity6
Product DescriptionACDelco Gold (Professional) Non-Coated Disc Brake Rotor and Hub Assemblies are a high quality alternative to Original Equipment (OE) parts. These rotors are mounted to the wheel hub where the calipers can press the brake pads against the brake surface to help stop the vehicle. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. Thes e high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional. ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Mounting Bolt Hole Quantity6
Height (Mm)55.5
Bolt Circle Diameter (Mm)139.7
Features &#38; Benefits - Bullet 1Cross drilled for quick brake response and heat dissipation
Mounting Bolt Hole Diameter0.636
ConstructionFull Cast
Solid Or Vented Type RotorVented
Width (In)14.1
MaterialCast Iron
Pad Contact Surface Width2.2
Hat FinishTurned
Mounting Bolt Hole Circle Diameter139.7
Height (In)2.2
Rust Resistant CoatingYes
SlottedNo
Length (In)14.1
Conventional Or Drum-In-Hat Type RotorConventional
Abs Tone Ring IncludedNo
Surface TypeSmooth
Bolt Circle Diameter (In)5.5
Part FitmentDirect Fit
Outside Diameter12.991
Nominal Thickness30
Vendor Part Number18A2661
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
