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84-87 Turbo Buick door panel Escutcheon trim Rear, brushed gray
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Reproduction GM Aluminum Brake Drums $235.00
Reproduction GM Aluminum Brake Drums
Click to enlarge

New Rear GM Aluminum Brake drums 9-1/2 " x 2.5 "

A,B,F,G, And more...

Please check the list below for what rear is in your vehicle.

 

Why use an aluminum drum???

Obviously weight but cooling is another aspect. Aluminum cools quicker than all steel. Cool brakes stop better.

Now on to weight savings:

When used for drag racing & performance you will save rotating mass weight.

A new Drum weighs 15 lb 10 OZ in steel. almost 16 lbs each

A new aluminum drum weighs 6 lbs. 2 oz.

That is 17 physical lbs. of un sprung & rotating mass combined on both sides.

160 lbs. of un sprung weight.

This is the difference:

ALUMINUM Drum Brake Rotational Inertia

Drum outer diameter=9.5  Inner diameter=2.5  Units=Inches

Mass=6  Units=Pounds

Friction surface mass percentage of total drum mass=50

Rolling Radius is: 0.3m
Friction surface inertia is:  0.019808kg-m2
Hub Inertia is:  0.010590kg-m2
Total Rotational Inertia is:  0.030398kg-m2 per drum

Brake drum equivalent mass is  3.0594kg per drum

Equivalent mass ratio  1.12


STEEL Drum Brake Rotational Inertia

Drum outer diameter=9.5  Inner diameter=2.5  Units=Inches 

Mass=14.5  Units=Pounds

Friction surface mass percentage of total drum mass=50

Rolling Radius is:  0.3m
Friction surface inertia is:  0.047870kg-m2
Hub Inertia is:  0.025593kg-m2
Total Rotational Inertia is:  0.073463kg-m2 per drum

Brake drum equivalent mass is  7.3935kg per drum

Equivalent mass ratio  1.12

What does this really mean?

ALUMINUM Brake drum equivalent mass is  3.0594kg per drum

STEEL Brake drum equivalent mass is  7.3935kg per drum

Will this fit my vehicle?

Brand NEW Reproduction Aluminum Drum fitting for the following years and models:
1973-75 Buick Apollo Brake Drum Rear Pair   
1973-75 Buick Century Brake Drum Rear Pair   (excluding Station Wagon Models)   
1978-81 Buick Century Brake Drum Rear Pair   
1985 Buick Electra Station Wagon Brake Drum Rear   Pair with 9 1/2 Inch Drum   
1977-79 Buick Le Sabre Brake Drum Rear Pair with 9   1/2 Inch Drum   
1985 Buick Le Sabre Brake Drum Rear Pair with 9 1/2   Inch Drum   
1980-84 Buick Le Sabre Sedan Brake Drum Rear Pair   with 9 1/2 Inch Drum   
1973-75 Buick Regal Brake Drum Rear Pair   
1978-87 Buick Regal Brake Drum Rear Pair   
1979-85 Buick Riviera Brake Drum Rear Pair   
1975-79 Buick Skylark Brake Drum Rear Pair   
1964-69 Buick Special Brake Drum Rear Pair   (excluding Station Wagon Models)   
1970-72 Buick Special Brake Drum Rear Pair   
1967-92 Chevy Camaro Brake Drum Rear Pair   
1977-90 Chevy Caprice Brake Drum Rear Pair with 9   1/2 Inch Drum   
1973-75 Chevy Chevelle Brake Drum Rear Pair   (excluding Station Wagon Models)   
1964-72 Chevy Chevelle Brake Drum Rear Pair   
1964-67 Chevy Chevy II Brake Drum Rear Pair   
1964-67 Chevy Chevy II Brake Drum Rear Pair   
1965-69 Chevy Corvair Brake Drum Front Pair   
1964-75 Chevy El Camino Brake Drum Rear Pair   
1980-85 Chevy Impala Brake Drum Rear Pair with 9 1/2   Inch Drum   
1973-75 Chevy Malibu Brake Drum Rear Pair   (excluding Station Wagon Models)   
1964-72 Chevy Malibu Brake Drum Rear Pair   
1978-87 Chevy Malibu Brake Drum Rear Pair   
1970-75 Chevy Monte Carlo Brake Drum Rear Pair   
1978-88 Chevy Monte Carlo Brake Drum Rear Pair   
1968-79 Chevy Nova Brake Drum Rear Pair   
1983-91 Chevy S-10 Blazer Brake Drum Rear Pair   
1982-91 Chevy S-10 Pickup Brake Drum Rear Pair   
1967-70 Chevy Van 10 Brake Drum Rear Pair   
1965-66 Chevy Van 10 Brake Drum Rear Pair with 10   Bolt Rear Axle   
1971 Chevy Van 10 Brake Drum Rear Pair with 10 Bolt   Rear Axle   
1964-75 GMC Caballero Brake Drum Rear Pair   
1983-91 GMC S-15 Jimmy Brake Drum Rear Pair   
1982-91 GMC S-15 Pickup Brake Drum Rear Pair   
1991 GMC S-15 Sonoma Brake Drum Rear Pair   
1971-75 GMC Sprint Brake Drum Rear Pair   
1978-87 GMC Sprint Brake Drum Rear Pair   
1991 GMC Syclone Brake Drum Rear Pair   
1967-70 GMC Van 10 Brake Drum Rear Pair   
1965-66 GMC Van 10 Brake Drum Rear Pair with 10 Bolt   Rear Axle   
1971 GMC Van 10 Brake Drum Rear Pair with 10 Bolt   Rear Axle   
1980-85 Olds 88 Brake Drum Rear Pair with 9 1/2 Inch   Drum   
1991 Olds Bravada Brake Drum Rear Pair   
1985 Olds Custom Cruiser Brake Drum Rear Pair with 9   1/2 Inch Drum   
1978-87 Olds Cutlass Brake Drum Rear Pair   
1973-75 Olds Cutlass Brake Drum Rear Pair (excluding   Station Wagon Models)   
1988 Olds Cutlass Brake Drum Rear Pair for Rear   Wheel Drive Models   
1964-72 Olds Cutlass Brake Drum Rear Pair   
1964-75 Olds Cutlass Supreme Brake Drum Rear Pair   
1977-79 Olds Delta 88 Brake Drum Rear Pair with 9   1/2 Inch Drum   
1964-72 Olds F-85 Brake Drum Rear Pair (excluding   Station Wagon Models)   
1976-78 Olds Omega Brake Drum Rear Pair with 9 1/2   Inch Drum   
1973-75 Olds Omega Brake Drum Rear Pair   
1979 Olds Omega Brake Drum Rear Pair   
1979-81 Olds Toronado Brake Drum Rear Pair   
1977-81 Pontiac Bonneville Brake Drum Rear Pair with   9 1/2 Inch Drum   
1982-86 Pontiac Bonneville Brake Drum Rear Pair   
1977-79 Pontiac Catalina Sedan Brake Drum Rear Pair   with 9 1/2 Inch Drum   
1980-81 Pontiac Catalina Brake Drum Rear Pair with   9 1/2 Inch Drum   
1967-92 Pontiac Firebird Brake Drum Rear Pair   
1969-74 Pontiac Grand Prix Brake Drum Rear Pair   
1978-87 Pontiac Grand Prix Brake Drum Rear Pair   
1964-74 Pontiac GTO Brake Drum Rear Pair   
1964-75 Pontiac Le Mans Brake Drum Rear Pair   
1978-81 Pontiac Le Mans Brake Drum Rear Pair   
1980-86 Pontiac Parisienne Brake Drum Rear Pair with   9 1/2 Inch Drum   
1977 Pontiac Phoenix Brake Drum Rear Pair with 9   1/2 Inch Drum   
1978-79 Pontiac Phoenix Brake Drum Rear Pair   
1964-70 Pontiac Tempest Brake Drum Rear Pair   
1969-92 Pontiac Trans Am Brake Drum Rear Pair   
1971-75 Pontiac Ventura II Brake Drum Rear Pair   
1976-77 Pontiac Ventura II Brake Drum Rear Pair with   9 1/2 Inch Drum

Major Applications:
Make Model Year Range
Universal Product

Available Options:
options:
Reproduction GM Aluminum Brake Drums
Click to enlarge
Reproduction GM Aluminum Brake Drums
Click to enlarge
Reproduction GM Aluminum Brake Drums
Click to enlarge
Reproduction GM Aluminum Brake Drums
Click to enlarge
Reproduction GM Aluminum Brake Drums
Click to enlarge
Reproduction GM Aluminum Brake Drums Reproduction GM Aluminum Brake Drums
Reproduction GM Aluminum Brake Drums Reproduction GM Aluminum Brake Drums

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