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- Front Disc Brake Rotor Assembly
Part TypeBrake Rotor
BrandACDELCO
Package Height3.4
Package Width12.9
Package Length12.9
Weight21.0 PG
Part CategoryReplacement Parts
Overall Height2.76 in (70.1 mm)
Number Of Lugs8
Disc ConstructionVented
Max Center Hole Diameter5.41 in (137.414 mm)
Abs Sensor Ring IncludedNo
Discard Thickness1.215 in (30.861 mm)
Pad Contact Surface Width (Mm)52.95
Center Hole Diameter (Mm)137.41
Overall Rotor Diameter (Mm)317.5
Nominal Thickness (Mm)32.639
Center Hole Diameter5.41 in (137.414 mm)
Disc FinishGround
Bolt Hole Quantity8
Overall Rotor Diameter12.5 in (317.5 mm)
Bolt Circle Diameter (Mm)165.1
Pitch Circle Diameter (Mm)165.1
Discard Thickness (Mm)30.861
Overall Height (Mm)70.1
PositionFront
Solid Or Vented Type RotorVented
MaterialCast Iron
Pitch Circle Diameter6.5 in (165.1 mm)
Pad Contact Surface Width2.1
Hat FinishTurned
Thickness (Mm)32.639
Thickness1.285 in (32.6 mm)
Bolt Circle Diameter6.5 in (165.1 mm)
Rust Resistant CoatingYes
Outside Diameter (Mm)317.5
Includes Abs Sensor RingNo
SlottedNo
Max Bolt Hole Diameter (Mm)137.41
Surface TypeSmooth
Part FitmentDirect Fit
Outside Diameter12.5 in (317.5 mm)
Nominal Thickness1.285 in (32.6 mm)
Grade TypeRegular
Vendor Part Number18A489
Package Qty1
Package TypeEA
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