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Brake Drum - Rear (Pronto) for 1974-1991 Chevrolet & GMC NEW

$ 109 .04

Product Notes

Position: Rear
⚠️ Most jobs typically require 2 of this item.
11 5/32 x 2 3/4 Inch Brakes

DuraGo® has a rich history in manufacturing aftermarket automotive products. The company was founded over 45 years ago and through the years has developed a diverse product offering. The DuraGo® Brake Drum and Rotor Program is the professional's choice for quality, cataloging and first to market applications. We take pride in our attention to detail and our reputation for outstanding quality. DuraGo® products are manufactured by ISO certified factories to meet requirements of fit, form and function.
Brand: Pronto
Condition: New
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
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Specifications & Info


Attribute Value
ABS Tone Ring Included No
Bolt Circle Diameter 139.7, 5.5
Bolt Hole Quantity 6
Brake Surface Width 3.27, 83.1
Center Hole Diameter 3.56, 90.4
Construction Composite
Material Cast Iron / Steel Top
Maximum Brake Diameter (Discard) 11.21, 284.7
Nominal Drum Diameter 11.15, 283.2
Outer Cooling Fins Yes
Overall Height 3.86, 98.1
Rust Resistant Coating No

Vehicle Fitment Guide

This part fits the following vehicles:

Chevrolet 3 models (tapclick to expand)(tapclick to hide)
Blazer 1974-1991 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base SUV 1974 L6 4.1L RWD/4WD Automatic & Manual & U/K
Base SUV 1974 L6 4.8L RWD/4WD Automatic & Manual & U/K
Base SUV 1974 V8 5.7L RWD/4WD Automatic & Manual & U/K
Base SUV 1974 V8 5.7L LPG RWD/4WD U/K
Base SUV 1974 V8 7.4L RWD/4WD Automatic & Manual & U/K
Custom Deluxe SUV 1987 V8 5.0L 4WD Automatic & Manual
Custom Deluxe SUV 1987 V8 5.7L 4WD Automatic & Manual
Custom Deluxe SUV 1987 V8 6.2L DIESEL 4WD Automatic & Manual
Scottsdale SUV 1988 - 1991 V8 5.7L 4WD Automatic & Manual
Scottsdale SUV 1988 - 1991 V8 6.2L DIESEL 4WD Automatic & Manual
Silverado SUV 1987 V8 5.0L 4WD Automatic & Manual
Silverado SUV 1987 - 1991 V8 5.7L 4WD Automatic & Manual
Silverado SUV 1987 - 1991 V8 6.2L DIESEL 4WD Automatic & Manual
K5 Blazer 1975-1986 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base SUV 1976 L6 4.1L RWD/4WD Automatic & Manual
Base SUV 1976 V8 5.7L RWD/4WD Automatic & Manual
Base SUV 1976 V8 6.6L RWD/4WD Automatic & Manual
Base SUV 1976 V8 7.4L RWD/4WD Automatic & Manual
Cheyenne SUV 1977 - 1980 V8 5.0L RWD/4WD Automatic & Manual
Cheyenne SUV 1976 - 1978 V8 7.4L RWD/4WD Automatic & Manual
Cheyenne SUV 1975 - 1980 L6 4.1L RWD/4WD Automatic & Manual
Cheyenne SUV 1975 - 1980 V8 5.7L RWD/4WD Automatic & Manual
Cheyenne SUV 1975 - 1979 V8 6.6L RWD/4WD Automatic & Manual
Custom SUV 1982 - 1986 V8 6.2L DIESEL 4WD Automatic & Manual
Custom SUV 1982 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Custom SUV 1981 - 1982 L6 4.1L RWD/4WD Automatic & Manual
Custom SUV 1981 - 1986 V8 5.0L 4WD Automatic & Manual
Custom SUV 1981 - 1984 V8 5.0L RWD Automatic & Manual
Custom SUV 1981 - 1986 V8 5.7L 4WD Automatic & Manual
Custom SUV 1981 - 1984 V8 5.7L RWD Automatic & Manual
Custom Deluxe SUV 1977 - 1980 V8 5.0L RWD/4WD Automatic & Manual
Custom Deluxe SUV 1977 - 1978 V8 7.4L RWD/4WD Automatic & Manual
Custom Deluxe SUV 1975, 1977 - 1980 L6 4.1L RWD/4WD Automatic & Manual
Custom Deluxe SUV 1975, 1977 - 1980 V8 5.7L RWD/4WD Automatic & Manual
Custom Deluxe SUV 1975, 1977 - 1979 V8 6.6L RWD/4WD Automatic & Manual
Deluxe SUV 1981 L6 4.1L RWD/4WD Automatic & Manual
Deluxe SUV 1981 V8 5.0L RWD/4WD Automatic & Manual
Deluxe SUV 1981 V8 5.7L RWD/4WD Automatic & Manual
Scottsdale SUV 1984 V8 5.0L RWD/4WD Automatic & Manual
Scottsdale SUV 1984 V8 5.7L RWD/4WD Automatic & Manual
Scottsdale SUV 1984 V8 6.2L DIESEL RWD/4WD Automatic & Manual
Silverado SUV 1982 - 1986 V8 6.2L DIESEL 4WD Automatic & Manual
Silverado SUV 1982 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Silverado SUV 1978, 1980 - 1982 L6 4.1L RWD/4WD Automatic & Manual
Silverado SUV 1978, 1980 - 1986 V8 5.0L 4WD Automatic & Manual
Silverado SUV 1978, 1980 - 1984 V8 5.0L RWD Automatic & Manual
Silverado SUV 1978, 1980 - 1986 V8 5.7L 4WD Automatic & Manual
Silverado SUV 1978, 1980 - 1984 V8 5.7L RWD Automatic & Manual
Silverado SUV 1978 V8 6.6L RWD/4WD Automatic & Manual
Silverado SUV 1978 V8 7.4L RWD/4WD Automatic & Manual
V1500 Suburban 1990-1991 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Scottsdale SUV 1990 - 1991 V8 5.7L 4WD Automatic
Scottsdale SUV 1990 V8 5.7L 4WD Manual
Scottsdale SUV 1990 - 1991 V8 6.2L DIESEL 4WD Automatic
Scottsdale SUV 1990 V8 6.2L DIESEL 4WD Manual
Silverado SUV 1990 - 1991 V8 5.7L 4WD Automatic
Silverado SUV 1990 - 1991 V8 6.2L DIESEL 4WD Automatic
GMC 3 models (tapclick to expand)(tapclick to hide)
Jimmy 1974-1991 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base SUV 1982 - 1991 V8 6.2L DIESEL 4WD Automatic & Manual
Base SUV 1982 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Base SUV 1977 - 1987 V8 5.0L 4WD Automatic & Manual
Base SUV 1977 - 1984 V8 5.0L RWD Automatic & Manual
Base SUV 1975 - 1979 V8 6.6L RWD/4WD Automatic & Manual
Base SUV 1974 - 1982 L6 4.1L RWD/4WD Automatic & Manual
Base SUV 1974 L6 4.1L RWD/4WD U/K
Base SUV 1974 L6 4.8L RWD/4WD Automatic & Manual & U/K
Base SUV 1974 - 1991 V8 5.7L 4WD Automatic & Manual
Base SUV 1974 - 1984 V8 5.7L RWD Automatic & Manual
Base SUV 1974 V8 5.7L RWD/4WD U/K
Base SUV 1974, 1976 V8 7.4L RWD/4WD Automatic & Manual
Base SUV 1974 V8 7.4L RWD/4WD U/K
High Sierra SUV 1982 - 1985 V8 6.2L DIESEL 4WD Automatic & Manual
High Sierra SUV 1982 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
High Sierra SUV 1977 - 1985 V8 5.0L 4WD Automatic & Manual
High Sierra SUV 1977 - 1984 V8 5.0L RWD Automatic & Manual
High Sierra SUV 1976 V8 7.4L RWD/4WD Automatic & Manual
High Sierra SUV 1975 - 1982 L6 4.1L RWD/4WD Automatic & Manual
High Sierra SUV 1975 - 1985 V8 5.7L 4WD Automatic & Manual
High Sierra SUV 1975 - 1984 V8 5.7L RWD Automatic & Manual
High Sierra SUV 1975 - 1979 V8 6.6L RWD/4WD Automatic & Manual
Sierra Classic SUV 1982 - 1990 V8 6.2L DIESEL 4WD Automatic & Manual
Sierra Classic SUV 1982 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Sierra Classic SUV 1978 - 1984 V8 5.0L RWD Automatic & Manual
Sierra Classic SUV 1977 - 1987 V8 5.0L 4WD Automatic & Manual
Sierra Classic SUV 1976 V8 7.4L RWD/4WD Automatic & Manual
Sierra Classic SUV 1975 - 1982 L6 4.1L 4WD Automatic & Manual
Sierra Classic SUV 1975 - 1976, 1978 - 1982 L6 4.1L RWD Automatic & Manual
Sierra Classic SUV 1975 - 1990 V8 5.7L 4WD Automatic & Manual
Sierra Classic SUV 1975 - 1976, 1978 - 1984 V8 5.7L RWD Automatic & Manual
Sierra Classic SUV 1975 - 1979 V8 6.6L 4WD Automatic & Manual
Sierra Classic SUV 1975 - 1976, 1978 - 1979 V8 6.6L RWD Automatic & Manual
Sierra Grande SUV 1982 V8 6.2L DIESEL RWD/4WD Automatic & Manual
Sierra Grande SUV 1977 - 1982 V8 5.0L RWD/4WD Automatic & Manual
Sierra Grande SUV 1976 V8 7.4L RWD/4WD Automatic & Manual
Sierra Grande SUV 1975 - 1982 L6 4.1L RWD/4WD Automatic & Manual
Sierra Grande SUV 1975 - 1982 V8 5.7L RWD/4WD Automatic & Manual
Sierra Grande SUV 1975 - 1979 V8 6.6L RWD/4WD Automatic & Manual
Silverado SUV 1986 V8 5.0L 4WD Automatic & Manual
Silverado SUV 1986 V8 5.7L 4WD Automatic & Manual
Silverado SUV 1986 V8 6.2L DIESEL 4WD Automatic & Manual
Street Coupe SUV 1982 V8 6.2L DIESEL RWD Automatic & Manual
Street Coupe SUV 1978 - 1982 L6 4.1L RWD Automatic & Manual
Street Coupe SUV 1978 - 1982 V8 5.0L RWD Automatic & Manual
Street Coupe SUV 1978 - 1982 V8 5.7L RWD Automatic & Manual
Street Coupe SUV 1978 - 1979 V8 6.6L RWD Automatic & Manual
K1500 Suburban 1979-1986 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base SUV 1982 - 1986 V8 6.2L DIESEL 4WD Automatic
Base SUV 1982 - 1984 V8 6.2L DIESEL 4WD Manual
Base SUV 1979 - 1980 L6 4.1L 4WD Automatic & Manual
Base SUV 1979, 1982 V8 5.0L 4WD Automatic & Manual
Base SUV 1979 - 1986 V8 5.7L 4WD Automatic
Base SUV 1979 - 1984 V8 5.7L 4WD Manual
Base SUV 1979 - 1980 V8 6.6L 4WD Automatic & Manual
High Sierra SUV 1982 - 1986 V8 6.2L DIESEL 4WD Automatic
High Sierra SUV 1982 - 1984 V8 6.2L DIESEL 4WD Manual
High Sierra SUV 1979 - 1980 L6 4.1L 4WD Automatic & Manual
High Sierra SUV 1979, 1982 V8 5.0L 4WD Automatic & Manual
High Sierra SUV 1979 - 1986 V8 5.7L 4WD Automatic
High Sierra SUV 1979 - 1984 V8 5.7L 4WD Manual
High Sierra SUV 1979 - 1980 V8 6.6L 4WD Automatic & Manual
Sierra Classic SUV 1982 - 1986 V8 6.2L DIESEL 4WD Automatic
Sierra Classic SUV 1982 - 1984 V8 6.2L DIESEL 4WD Manual
Sierra Classic SUV 1979 - 1980 L6 4.1L 4WD Automatic & Manual
Sierra Classic SUV 1979, 1982 V8 5.0L 4WD Automatic & Manual
Sierra Classic SUV 1979 - 1986 V8 5.7L 4WD Automatic
Sierra Classic SUV 1979 - 1984 V8 5.7L 4WD Manual
Sierra Classic SUV 1979 - 1980 V8 6.6L 4WD Automatic & Manual
Sierra Grande SUV 1982 V8 6.2L DIESEL 4WD Automatic & Manual
Sierra Grande SUV 1979 - 1980 L6 4.1L 4WD Automatic & Manual
Sierra Grande SUV 1979, 1982 V8 5.0L 4WD Automatic & Manual
Sierra Grande SUV 1979 - 1982 V8 5.7L 4WD Automatic & Manual
Sierra Grande SUV 1979 - 1980 V8 6.6L 4WD Automatic & Manual
V1500 Suburban 1987-1991 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base SUV 1987 - 1991 V8 5.7L 4WD Automatic
Base SUV 1987 - 1990 V8 5.7L 4WD Manual
Base SUV 1987 - 1991 V8 6.2L DIESEL 4WD Automatic
Base SUV 1987 - 1990 V8 6.2L DIESEL 4WD Manual
High Sierra SUV 1987 V8 5.7L 4WD Automatic & Manual
High Sierra SUV 1987 V8 6.2L DIESEL 4WD Automatic & Manual
SLE SUV 1990 V8 5.7L 4WD Automatic
SLE SUV 1990 V8 6.2L DIESEL 4WD Automatic
Sierra Classic SUV 1987 - 1989 V8 5.7L 4WD Automatic & Manual
Sierra Classic SUV 1987 - 1989 V8 6.2L DIESEL 4WD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
DuraGo® has a rich history in manufacturing aftermarket automotive products. The company was founded over 45 years ago and through the years has developed a diverse product offering. The DuraGo® Brake Drum and Rotor Program is the professional's choice for quality, cataloging and first to market applications. We take pride in our attention to detail and our reputation for outstanding quality. DuraGo® products are manufactured by ISO certified factories to meet requirements of fit, form and function.

Interchange Parts

Brand Part Number
Aimco 8985
Auto Extra AX8985
Bendix PDR0600
Parts Master 125052
Parts Plus P2592
Raybestos Brakes 2592
Wagner Brake BD125052

Fits Years: 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991

Fits Models: Blazer, Jimmy, K1500 Suburban, K5 Blazer, V1500 Suburban

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Engineered To OEM Specs

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