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Raybestos 2027R Brake Drum - RearOE Quality 60-Day Returns
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Part #: 2027R

Raybestos 2027R Brake Drum - Rear

R-Line, Rear
⚙️ 98 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦R-Line, Rear
🚗Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, 98, Catalina, Cutlass, Cutlass Supreme, Delta 88, El Camino, Firebird, Grand Am, Grand LeMans, Grand Prix, GTO, LeMans, Malibu, Monte Carlo, Skylark, and Tempest
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Reliable Brake Drum for Classic GM Vehicles

The Raybestos R-Line 2027R brake drum is engineered to meet the demands of various Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed with precise dimensions and cooling features, this brake drum ensures consistent braking performance and durability.

  • Outside Diameter: 11.450 inches
  • Depth: 2.420 inches
  • Nominal Drum Diameter: 9.550 inches
  • Includes Outer Cooling Fins for heat dissipation
  • 5 Stud/Lug Holes with 0.471 inch diameter

Detailed Specifications and Features

The 2027R brake drum from Raybestos' R-Line offers a nominal drum diameter of 9.550 inches and an outside diameter of 11.450 inches, providing a precise fit for compatible vehicles. The 2.420-inch depth supports proper brake shoe engagement, while the outer cooling fins help dissipate heat generated during braking, reducing the risk of brake fade. The drum features five stud/lug holes with a diameter of 0.471 inches, matching factory specifications for secure mounting.

R-Line Product Line Overview

The R-Line by Raybestos is a product line focused on delivering reliable, OE-quality brake components for a range of domestic vehicles. This line emphasizes durability and fitment accuracy, making it suitable for restoration and maintenance of classic GM models such as the Chevrolet Monte Carlo and Pontiac Firebird. The 2027R brake drum exemplifies the R-Line's commitment to consistent performance and compatibility.

Compatible Vehicles and Applications

  • Buick models including LeMans and Skylark
  • Chevrolet models such as Malibu, El Camino, and Monte Carlo
  • Oldsmobile models like Cutlass and Delta 88
  • Pontiac models including GTO, Firebird, and Grand Prix
  • Ideal for addressing brake drum wear, scoring, and heat-related issues

Installation Notes and Tips

Ensure the brake drum is clean and free of debris before installation. Verify the stud/lug hole alignment with your vehicle’s hub assembly. Properly torque lug nuts to manufacturer specifications to maintain safety and performance. It is recommended to inspect brake shoes and hardware during installation for optimal results.

Quality Assurance and Warranty

Raybestos R-Line brake drums are manufactured to meet or exceed OEM standards, ensuring reliable braking performance. While specific warranty details for part number 2027R are not provided, Raybestos products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.

BrandRaybestos
Part Number2027R
PositionR-Line, Rear
Outside Diameter0.451
Outside Diameter11.450
Depth2.420
Depth61.450
Outer Cooling FinsYes
Nominal Drum Diameter0.376
Nominal Drum Diameter9.550
Stud/Lug Hole Quantity5
Stud/Lug Hole Diameter0.471
Stud/Lug Hole Diameter11.950

This part fits 98 vehicles. Search below:

YearMakeModelSubmodelBody Type# DoorsPositionNotes
1975ChevroletMalibuSedan4 DoorRearR-Line
1975ChevroletMalibuCoupe2 DoorRearR-Line
1975ChevroletMonte CarloRearR-Line
1975PontiacGrand AmRearR-Line
1975PontiacGrand LeMansSedan4 DoorRearR-Line
1975PontiacGrand LeMansCoupe2 DoorRearR-Line
1975PontiacLeMansSedan4 DoorRearR-Line
1975PontiacLeMansCoupe2 DoorRearR-Line
1974ChevroletMalibuSedan4 DoorRearR-Line
1974ChevroletMalibuCoupe2 DoorRearR-Line
1974ChevroletMonte CarloRearR-Line
1974PontiacGrand AmRearR-Line
1974PontiacLeMansHardtop4 DoorRearR-Line
1974PontiacLeMansHardtop2 DoorRearR-Line
1973ChevroletMonte CarloRearR-Line
1973PontiacGrand AmRearR-Line
1973PontiacGTOHardtop4 DoorRearR-Line
1973PontiacGTOHardtop2 DoorRearR-Line
1973PontiacLeMansHardtop4 DoorRearR-Line
1973PontiacLeMansHardtop2 DoorRearR-Line
1972BuickSkylarkBaseRearR-Line
1972BuickSkylarkCustomRearR-Line
1972BuickSkylark350RearR-Line
1972ChevroletEl CaminoRearCut Out Axle Cover; Replace in Pairs; with Pontiac Axle; R-Line
1972ChevroletMonte CarloRearCut Out Axle Cover; Flared Center Hole; with Pontiac Axle; R-Line
1972OldsmobileCutlassSRearR-Line
1972OldsmobileCutlassBaseRearR-Line
1972OldsmobileCutlassCruiserRearR-Line
1972OldsmobileCutlass SupremeRearR-Line
1972PontiacGrand PrixRearR-Line
1972PontiacGTORearR-Line
1972PontiacLeMansRearR-Line
1971BuickSkylarkBaseRearR-Line
1971BuickSkylarkCustomRearR-Line
1971ChevroletEl CaminoRearCut Out Axle Cover; Replace in Pairs; with Pontiac Axle; R-Line
1971ChevroletMonte CarloRearCut Out Axle Cover; Flared Center Hole; with Pontiac Axle; R-Line
1971OldsmobileCutlassSRearR-Line
1971OldsmobileCutlassBaseRearR-Line
1971OldsmobileCutlass SupremeRearR-Line
1971PontiacGrand PrixRearR-Line
1971PontiacGTORearR-Line
1971PontiacLeMansRearR-Line
1970BuickSkylarkBaseRearR-Line
1970BuickSkylarkCustomRearR-Line
1970BuickSkylark350RearR-Line
1970ChevroletEl CaminoRearCut Out Axle Cover; Replace in Pairs; with Pontiac Axle; R-Line
1970ChevroletMonte CarloRearCut Out Axle Cover; Flared Center Hole; with Pontiac Axle; R-Line
1970OldsmobileCutlass SupremeRearR-Line
1970PontiacGrand PrixRearR-Line
1970PontiacGTORearR-Line
1970PontiacLeMansRearR-Line
1970PontiacTempestRearR-Line
1969BuickSkylarkBaseRearR-Line
1969BuickSkylarkCustomRearR-Line
1969OldsmobileCutlass SupremeRearR-Line
1969PontiacCatalinaSafariRearR-Line
1969PontiacFirebirdRearR-Line
1969PontiacGrand PrixRearR-Line
1969PontiacGTORearR-Line
1969PontiacLeMansRearR-Line
1969PontiacTempestRearR-Line
1968BuickSkylarkBaseRearR-Line
1968BuickSkylarkCustomRearR-Line
1968OldsmobileCutlass SupremeRearR-Line
1968PontiacCatalinaSafariRearR-Line
1968PontiacFirebirdRearDo Not Use with OEM Metallic Lining; R-Line
1968PontiacGrand PrixRearR-Line
1968PontiacGTORearR-Line
1968PontiacLeMansRearR-Line
1968PontiacTempestRearR-Line
1967BuickSkylarkBaseRearR-Line
1967OldsmobileDelta 88RearFits drum brake self-adjuster repair kit for 9.5 inch brakes.; R-Line
1967PontiacCatalinaSafariRearR-Line
1967PontiacFirebirdRearDo Not Use with OEM Metallic Lining; R-Line
1967PontiacGrand PrixRearR-Line
1967PontiacGTORearR-Line
1967PontiacLeMansRearR-Line
1967PontiacTempestRearR-Line
1966BuickSkylarkBaseRearR-Line
1966OldsmobileCutlassRearR-Line
1966PontiacCatalinaSafariRearR-Line
1966PontiacGrand PrixRearR-Line
1966PontiacGTORearR-Line
1966PontiacLeMansRearR-Line
1966PontiacTempestRearR-Line
1965BuickSkylarkBaseRearR-Line
1965OldsmobileCutlassRearR-Line
1965PontiacGrand PrixRearR-Line
1965PontiacGTORearR-Line
1965PontiacLeMansRearR-Line
1965PontiacTempestRearR-Line
1964BuickSkylarkBaseRearR-Line
1964Oldsmobile98RearFits drum brake self-adjuster repair kit for 9.5 inch brakes.; R-Line
1964OldsmobileCutlassRearR-Line
1964PontiacGrand PrixRearR-Line
1964PontiacGTORearR-Line
1964PontiacLeMansRearR-Line
1964PontiacTempestRearR-Line

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1075122.62014123.62014123699712402121359634140039177-24220118120218120272027DGS2027R203092092212011-C219-2315219-23173-8123-942382307460202748185207-165-852507966510588189788681BD1041BD1275FBD60165C10-1005D2027G2027R44140039X21459YH140039YH6090

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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