1977 Mercury Comet Performance Drivetrains

Essential 1977 Mercury Comet Performance Drivetrains

Motive Gear – Differential Mini Spool (Part No.MS9-28)

Differential Mini Spool

from

$33.99


Product Features:
  • MINI SPOOL 8″ & 9″ 28 SPLN STL 090428
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Motive Gear – Performance Differential Ring and Pinion (Part No.F890543)

Performance Differential Ring and Pinion

from

$225.99


Product Features:
  • FRD 10BLT 9.0 R/P 5.43 MGP
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Richmond Gear – RngPnn (Part No.F8355)

RngPnn

from

$185.99
RngPnn

Motive Gear – PRO Gear Lightweight Differential Ring And Pinion – Big Pinion (Part No.F990389BP)

PRO Gear Lightweight Differential Ring And Pinion - Big Pinion

from

$499.99


Product Features:
  • R&P FORD 9″ 3.89, 9310 BIG PINION 35 SPL. PRO
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Motive Gear – Performance Differential Ring and Pinion (Part No.F880325)

Performance Differential Ring and Pinion

from

$260.99


Product Features:
  • R&P FORD 8″ – 3.25 RATIO
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Richmond Gear – Differential Ring And Pinion (Part No.F9350)

Differential Ring And Pinion

from

$185.99
Excel’s broad line of original equipment automotive and light truck/SUV replacement ring & pinion gears, axles, and installation kits offer Richmond’s high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.

Product Features:
  • Richmond Gear’s EXCel drivetrain products offer high-quality OEM replacement drivetrain products for your vehicle.
  • Richmond Gear’s EXCel line of ring & pinon gearsets provide Richmond quality at affordable prices.
  • EXCel offers a broad line of ring and pinion gears, installation kits, and axle shafts to match most vehicles that are on the road today.
  • EXCel drivetrain products are engineered to exceed OEM specifications by manufacturing to precise specifications in world-class factories, using the latest heat treatment technology, with extensive quality controls throughout.
  • All EXCel drivetrain products are backed by our one year warranty.
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Richmond Gear – RngPnn (Part No.69-0290-1)

RngPnn

from

$379.99
RngPnn

Richmond Gear – RngPnn (Part No.69-0361-1)

RngPnn

from

$342.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.F890389)

Performance Differential Ring and Pinion

from

$237.99


Product Features:
  • FRD 10BLT 9.0 R/P 3.89 MGP
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Richmond Gear – RngPnn (Part No.F9500)

RngPnn

from

$191.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.F890300)

Performance Differential Ring and Pinion

from

$262.99


Product Features:
  • FRD 9″ R & P 3:00 RATIO
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Richmond Gear – Differential Ring And Pinion (Part No.69-0069-1)

Differential Ring And Pinion

from

$360.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
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Motive Gear – Performance Differential Ring and Pinion (Part No.F890370)

Performance Differential Ring and Pinion

from

$251.99


Product Features:
  • FRD 10BLT 9.0 R/P 3.70 MGP
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Richmond Gear – RngPnn (Part No.69-0067-1)

RngPnn

from

$360.99
RngPnn

Richmond Gear – RngPnn (Part No.49-0038-1)

RngPnn

from

$577.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.F890375)

Performance Differential Ring and Pinion

from

$334.99


Product Features:
  • FRD 10BLT 9.0 R/P 3.75 MGP
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Richmond Gear – RngPnn (Part No.F9650)

RngPnn

from

$185.99
RngPnn

Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4105)

Differential Pinion Solid Spacer Kit w/Shims

from

$22.79


Product Features:
  • FORD 9″ SOLID SPACER KIT
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Richmond Gear – RngPnn (Part No.69-0288-1)

RngPnn

from

$379.99
RngPnn

Richmond Gear – RngPnn (Part No.49-0100-1)

RngPnn

from

$360.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.F890620)

Performance Differential Ring and Pinion

from

$241.99


Product Features:
  • FRD 10BLT 9.0 R/P 6.20 MGP
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Richmond Gear – RngPnn (Part No.69-0367-1)

RngPnn

from

$577.99
RngPnn

Richmond Gear – Differential Ring And Pinion (Part No.F9514)

Differential Ring And Pinion

from

$185.99
Excel’s broad line of original equipment automotive and light truck/SUV replacement ring & pinion gears, axles, and installation kits offer Richmond’s high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.

Product Features:
  • Richmond Gear’s EXCel drivetrain products offer high-quality OEM replacement drivetrain products for your vehicle.
  • Richmond Gear’s EXCel line of ring & pinon gearsets provide Richmond quality at affordable prices.
  • EXCel offers a broad line of ring and pinion gears, installation kits, and axle shafts to match most vehicles that are on the road today.
  • EXCel drivetrain products are engineered to exceed OEM specifications by manufacturing to precise specifications in world-class factories, using the latest heat treatment technology, with extensive quality controls throughout.
  • All EXCel drivetrain products are backed by our one year warranty.
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.F880355)

Performance Differential Ring and Pinion

from

$244.99


Product Features:
  • FRD 10BLT 8.0 R/P 3.55 MGP
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Richmond Gear – RngPnn (Part No.69-0284-1)

RngPnn

from

$577.99
RngPnn

Richmond Gear – RngPnn (Part No.49-0101-1)

RngPnn

from

$333.99
RngPnn

Richmond Gear – RngPnn (Part No.69-0177-1)

RngPnn

from

$344.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.F880340)

Performance Differential Ring and Pinion

from

$272.99


Product Features:
  • R&P FORD 8″ – 3.40 RATIO
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1977 Mercury Comet Performance Drivetrains

Maybe you’re in the middle of a full rebuild of that 1977 Mercury Comet. Maybe you just need a couple of Performance Drivetrains. Either way, Advance Auto Parts has 45 different Performance Drivetrains in our inventory ranging from $10.49 to $577.99. That means you can find the exact parts or products you need to keep that 1977 Mercury Comet running smoothly.

Performance Drivetrains are only as good as their brand. We stock 2 different brands to make sure you have plenty of trusted parts to choose from for your 1977 Mercury Comet. Motive Gear and Richmond Gear are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Performance Drivetrains for your 1977 Mercury Comet, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Performance Drivetrains to keep your 1977 Mercury Comet rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Performance Drivetrains Brands To Make Your 1977 Mercury Comet Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1977 Mercury Comet demands trusted brand parts and products to keep it running. Many trusted brands of Performance Drivetrains make up Advance Auto Parts’ inventory, and all are ready to help make your Comet the best it can be. Be sure to browse some of our top Performance Drivetrains brands and parts.

Popular Richmond Gear Performance Drivetrains

We carry Richmond Gear parts in our stock across Performance Ring and Pinions categories, plus more. For a 1977 Mercury Comet, our most popular Richmond Gear Performance Drivetrains include:
Differential Ring And Pinion
from $333.99
(3)
Differential Ring And Pinion
Performance Ring and Pinions

FAQs for 1977 Mercury Comet Performance Drivetrains

What are the most purchased Performance Drivetrains for the 1977 Mercury Comet?

Out of 45 Performance Drivetrains for the 1977 Mercury Comet, the most popular in our inventory are:
Differential Pinion Solid Spacer Kit w/Shims
from $10.49
This product is not rated
Differential Pinion Solid Spacer Kit w/Shims
Performance Ring and Pinions
Differential Pinion Solid Spacer Kit w/Shims
from $22.79
This product is not rated
Differential Pinion Solid Spacer Kit w/Shims
Performance Ring and Pinions
Performance Differential Ring and Pinion
from $272.99
This product is not rated
Performance Differential Ring and Pinion
Performance Ring and Pinions