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R-Line

Raybestos 2027R Brake Drum - Rear

Brand	Raybestos 2027R
Position	Rear
Outside Diameter	0.451
Outside Diameter	11.450
Depth	2.420
Depth	61.450
Outer Cooling Fins	Yes
Nominal Drum Diameter	0.376
Nominal Drum Diameter	9.550
Stud/Lug Hole Quantity	5
Stud/Lug Hole Diameter	0.471
Stud/Lug Hole Diameter	11.950
Product line	R-Line
Fits	Buick, Chevrolet, Oldsmobile, and Pontiac · 98 vehicles

Cooling fins. Outer fins help promote airflow and heat dissipation.

Brake drum. A direct-fit drum for dependable braking performance.

Cross-references Airtex Fuel Pumps 1075, AMS Automotive 4818 and Anchor 2092 for the same application. See all 38.

$72.74Free shipping

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Brake Drums are typically replaced in pairs, axle by axle.

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Free returns within 60 days if it doesn't fit when fitment is verified.

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Raybestos R-Line 2027R Brake Drum Overview

The Raybestos R-Line 2027R brake drum is a rear drum brake replacement for select GM A-body and related applications from 1964-1975. It features an 11.450-inch outside diameter, 2.420-inch depth, and a 9.550-inch nominal drum diameter for the specified fitments.

Built with outer cooling fins and five lug holes with an 11.950 mm stud/lug hole diameter, this brake drum supports consistent rear brake service on vehicles such as Chevrolet Malibu, Pontiac GTO, and Buick Skylark. The Raybestos 2027R is listed for rear position use and is referenced across multiple aftermarket part numbers for the same application.

R-Line Product Line Details

Raybestos R-Line covers service replacement brake components for everyday repair work. In this line, the 2027R brake drum is specified for rear drum brake applications where correct diameter, depth, and lug pattern are required for proper fitment.

Key Features

Outside diameter: 11.450 inches
Depth: 2.420 inches
Nominal drum diameter: 9.550 inches
Outer cooling fins: Yes
Five stud/lug holes
Stud/lug hole diameter: 11.950 mm
Rear brake drum for select 1964-1975 applications

Vehicle Fitment

Fits 1974-1975 Chevrolet Malibu, rear
Fits 1973-1975 Chevrolet Monte Carlo, rear
Fits 1973-1975 Pontiac Grand Am, rear
Fits 1975 Pontiac Grand LeMans, rear
Fits 1964-1975 Pontiac LeMans, rear
Fits 1964-1973 Pontiac GTO, rear
Fits 1964-1972 Buick Skylark, rear
Fits 1970-1972 Chevrolet El Camino, rear, cut out axle cover; replace in pairs; with Pontiac axle
Fits 1970-1972 Chevrolet Monte Carlo, rear, cut out axle cover; flared center hole; with Pontiac axle
Fits 1971-1972 Oldsmobile Cutlass, rear
Fits 1964-1966 Oldsmobile Cutlass, rear
Fits 1968-1972 Oldsmobile Cutlass Supreme, rear
Fits 1964-1972 Pontiac Grand Prix, rear
Fits 1964-1970 Pontiac Tempest, rear
Fits 1966-1969 Pontiac Catalina, rear
Fits 1969 Pontiac Firebird, rear
Fits 1967-1968 Pontiac Firebird, rear, do not use with OEM metallic lining
Fits 1967 Oldsmobile Delta 88, rear, fits drum brake self-adjuster repair kit for 9.5 inch brakes
Fits 1964 Oldsmobile 98, rear, fits drum brake self-adjuster repair kit for 9.5 inch brakes

What This Brake Drum Helps Address

Rear brake pulsation caused by worn drum surfaces
Out-of-spec drum diameter affecting brake shoe contact
Reduced braking consistency from heat-related wear
Fitment issues on rear drum brake service for Pontiac axle applications
Service replacement needs for classic Chevrolet, Pontiac, Buick, and Oldsmobile models

Installation Notes and Tips

Verify the drum diameter, depth, and lug-hole pattern against the existing rear brake assembly before installation. Some listed applications include special notes such as cut out axle cover, flared center hole, or use with Pontiac axle, so match the vehicle configuration carefully. For the Chevrolet El Camino and Chevrolet Monte Carlo listings, follow the fitment notes exactly, and replace in pairs where specified.

Confirm compatibility with the rear brake hardware and drum brake self-adjuster repair kit requirements on the applicable Oldsmobile and Pontiac models. The Raybestos 2027R part number should be matched to the vehicle’s rear drum brake specification before service begins.

Quality Assurance

Raybestos is a recognized brake parts brand with broad aftermarket coverage, and the R-Line is positioned for service replacement applications. This part cross-references Centric Parts (e.g., 122.62014, 123.62014) for the same application.

This part fits 98 vehicles

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

Year	Make	Model	Submodel	Body Type	# Doors	Position	Notes
1975	Chevrolet	Malibu	—	Sedan	4 Door	Rear	R-Line
1975	Chevrolet	Malibu	—	Coupe	2 Door	Rear	R-Line
1975	Chevrolet	Monte Carlo	—	—	—	Rear	R-Line
1975	Pontiac	Grand Am	—	—	—	Rear	R-Line
1975	Pontiac	Grand LeMans	—	Sedan	4 Door	Rear	R-Line
1975	Pontiac	Grand LeMans	—	Coupe	2 Door	Rear	R-Line
1975	Pontiac	LeMans	—	Sedan	4 Door	Rear	R-Line
1975	Pontiac	LeMans	—	Coupe	2 Door	Rear	R-Line
1974	Chevrolet	Malibu	—	Sedan	4 Door	Rear	R-Line
1974	Chevrolet	Malibu	—	Coupe	2 Door	Rear	R-Line
1974	Chevrolet	Monte Carlo	—	—	—	Rear	R-Line
1974	Pontiac	Grand Am	—	—	—	Rear	R-Line
1974	Pontiac	LeMans	—	Hardtop	4 Door	Rear	R-Line
1974	Pontiac	LeMans	—	Hardtop	2 Door	Rear	R-Line
1973	Chevrolet	Monte Carlo	—	—	—	Rear	R-Line
1973	Pontiac	Grand Am	—	—	—	Rear	R-Line
1973	Pontiac	GTO	—	Hardtop	4 Door	Rear	R-Line
1973	Pontiac	GTO	—	Hardtop	2 Door	Rear	R-Line
1973	Pontiac	LeMans	—	Hardtop	4 Door	Rear	R-Line
1973	Pontiac	LeMans	—	Hardtop	2 Door	Rear	R-Line
1972	Buick	Skylark	Base	—	—	Rear	R-Line
1972	Buick	Skylark	Custom	—	—	Rear	R-Line
1972	Buick	Skylark	350	—	—	Rear	R-Line
1972	Chevrolet	El Camino	—	—	—	Rear	Cut Out Axle Cover; Replace in Pairs; with Pontiac Axle; R-Line
1972	Chevrolet	Monte Carlo	—	—	—	Rear	Cut Out Axle Cover; Flared Center Hole; with Pontiac Axle; R-Line
1972	Oldsmobile	Cutlass	S	—	—	Rear	R-Line
1972	Oldsmobile	Cutlass	Base	—	—	Rear	R-Line
1972	Oldsmobile	Cutlass	Cruiser	—	—	Rear	R-Line
1972	Oldsmobile	Cutlass Supreme	—	—	—	Rear	R-Line
1972	Pontiac	Grand Prix	—	—	—	Rear	R-Line
1972	Pontiac	GTO	—	—	—	Rear	R-Line
1972	Pontiac	LeMans	—	—	—	Rear	R-Line
1971	Buick	Skylark	Base	—	—	Rear	R-Line
1971	Buick	Skylark	Custom	—	—	Rear	R-Line
1971	Chevrolet	El Camino	—	—	—	Rear	Cut Out Axle Cover; Replace in Pairs; with Pontiac Axle; R-Line
1971	Chevrolet	Monte Carlo	—	—	—	Rear	Cut Out Axle Cover; Flared Center Hole; with Pontiac Axle; R-Line
1971	Oldsmobile	Cutlass	S	—	—	Rear	R-Line
1971	Oldsmobile	Cutlass	Base	—	—	Rear	R-Line
1971	Oldsmobile	Cutlass Supreme	—	—	—	Rear	R-Line
1971	Pontiac	Grand Prix	—	—	—	Rear	R-Line
1971	Pontiac	GTO	—	—	—	Rear	R-Line
1971	Pontiac	LeMans	—	—	—	Rear	R-Line
1970	Buick	Skylark	Base	—	—	Rear	R-Line
1970	Buick	Skylark	Custom	—	—	Rear	R-Line
1970	Buick	Skylark	350	—	—	Rear	R-Line
1970	Chevrolet	El Camino	—	—	—	Rear	Cut Out Axle Cover; Replace in Pairs; with Pontiac Axle; R-Line
1970	Chevrolet	Monte Carlo	—	—	—	Rear	Cut Out Axle Cover; Flared Center Hole; with Pontiac Axle; R-Line
1970	Oldsmobile	Cutlass Supreme	—	—	—	Rear	R-Line
1970	Pontiac	Grand Prix	—	—	—	Rear	R-Line
1970	Pontiac	GTO	—	—	—	Rear	R-Line
1970	Pontiac	LeMans	—	—	—	Rear	R-Line
1970	Pontiac	Tempest	—	—	—	Rear	R-Line
1969	Buick	Skylark	Base	—	—	Rear	R-Line
1969	Buick	Skylark	Custom	—	—	Rear	R-Line
1969	Oldsmobile	Cutlass Supreme	—	—	—	Rear	R-Line
1969	Pontiac	Catalina	Safari	—	—	Rear	R-Line
1969	Pontiac	Firebird	—	—	—	Rear	R-Line
1969	Pontiac	Grand Prix	—	—	—	Rear	R-Line
1969	Pontiac	GTO	—	—	—	Rear	R-Line
1969	Pontiac	LeMans	—	—	—	Rear	R-Line
1969	Pontiac	Tempest	—	—	—	Rear	R-Line
1968	Buick	Skylark	Base	—	—	Rear	R-Line
1968	Buick	Skylark	Custom	—	—	Rear	R-Line
1968	Oldsmobile	Cutlass Supreme	—	—	—	Rear	R-Line
1968	Pontiac	Catalina	Safari	—	—	Rear	R-Line
1968	Pontiac	Firebird	—	—	—	Rear	Do Not Use with OEM Metallic Lining; R-Line
1968	Pontiac	Grand Prix	—	—	—	Rear	R-Line
1968	Pontiac	GTO	—	—	—	Rear	R-Line
1968	Pontiac	LeMans	—	—	—	Rear	R-Line
1968	Pontiac	Tempest	—	—	—	Rear	R-Line
1967	Buick	Skylark	Base	—	—	Rear	R-Line
1967	Oldsmobile	Delta 88	—	—	—	Rear	Fits drum brake self-adjuster repair kit for 9.5 inch brakes.; R-Line
1967	Pontiac	Catalina	Safari	—	—	Rear	R-Line
1967	Pontiac	Firebird	—	—	—	Rear	Do Not Use with OEM Metallic Lining; R-Line
1967	Pontiac	Grand Prix	—	—	—	Rear	R-Line
1967	Pontiac	GTO	—	—	—	Rear	R-Line
1967	Pontiac	LeMans	—	—	—	Rear	R-Line
1967	Pontiac	Tempest	—	—	—	Rear	R-Line
1966	Buick	Skylark	Base	—	—	Rear	R-Line
1966	Oldsmobile	Cutlass	—	—	—	Rear	R-Line
1966	Pontiac	Catalina	Safari	—	—	Rear	R-Line
1966	Pontiac	Grand Prix	—	—	—	Rear	R-Line
1966	Pontiac	GTO	—	—	—	Rear	R-Line
1966	Pontiac	LeMans	—	—	—	Rear	R-Line
1966	Pontiac	Tempest	—	—	—	Rear	R-Line
1965	Buick	Skylark	Base	—	—	Rear	R-Line
1965	Oldsmobile	Cutlass	—	—	—	Rear	R-Line
1965	Pontiac	Grand Prix	—	—	—	Rear	R-Line
1965	Pontiac	GTO	—	—	—	Rear	R-Line
1965	Pontiac	LeMans	—	—	—	Rear	R-Line
1965	Pontiac	Tempest	—	—	—	Rear	R-Line
1964	Buick	Skylark	Base	—	—	Rear	R-Line
1964	Oldsmobile	98	—	—	—	Rear	Fits drum brake self-adjuster repair kit for 9.5 inch brakes.; R-Line
1964	Oldsmobile	Cutlass	—	—	—	Rear	R-Line
1964	Pontiac	Grand Prix	—	—	—	Rear	R-Line
1964	Pontiac	GTO	—	—	—	Rear	R-Line
1964	Pontiac	LeMans	—	—	—	Rear	R-Line
1964	Pontiac	Tempest	—	—	—	Rear	R-Line
No rows match your filter.

Directly replaces or cross-references 38 part numbers

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

Airtex Fuel Pumps — 1075AMS Automotive — 4818Anchor — 2092Anchor — 8818Centric Parts — 122.62014Centric Parts — 123.62014CSF — 2027Four Seasons — 20309Raybestos Brakes — 2027R3-8123-942177-242219-2315219-23172027DGS5207-165-8140039201181202181212011-C38230752507966510512369971240212135963446020279788681BD1041BD1275FBD60165C10-1005D2027G2027R44140039X21459YH6090YH140039