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- Rear Drum In-Hat Disc Brake Rotor
Part TypeBrake Rotor
BrandACDELCO
Package Height4.2
Package Width14.1
Package Length14.1
Weight22.0 PG
Part CategoryReplacement Parts
Overall Height3.76 in (95.5 mm)
Number Of Lugs6
Disc ConstructionVented
Max Center Hole Diameter3.1 in (78.74 mm)
Abs Sensor Ring IncludedNo
Discard Thickness1.122 in (28.499 mm)
Pad Contact Surface Width (Mm)46.25
Center Hole Diameter (Mm)78.74
Overall Rotor Diameter (Mm)330.2
Nominal Thickness (Mm)30.099
Center Hole Diameter3.1 in (78.74 mm)
Disc FinishGround
Bolt Hole Quantity6
Overall Rotor Diameter13 in (330.2 mm)
Bolt Circle Diameter (Mm)139.7
Pitch Circle Diameter (Mm)139.7
Discard Thickness (Mm)28.498
Overall Height (Mm)95.5
PositionRear
Solid Or Vented Type RotorVented
MaterialCast Iron
Pitch Circle Diameter5.5 in (139.7 mm)
Pad Contact Surface Width1.8
Hat FinishTurned
Thickness (Mm)30.099
Thickness1.185 in (30.1 mm)
Bolt Circle Diameter5.5 in (139.7 mm)
Rust Resistant CoatingYes
Outside Diameter (Mm)330.2
Includes Abs Sensor RingNo
SlottedNo
Max Bolt Hole Diameter (Mm)78.74
Surface TypeSmooth
Part FitmentDirect Fit
Outside Diameter13 in (330.2 mm)
Nominal Thickness1.185 in (30.1 mm)
Grade TypeRegular
Vendor Part Number18A907
Package Qty1
Package TypeEA
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