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Richmond Gear Ford 9" Pro Gear Ring and Pinion Set Ratio: 4.86

Richmond Gear 79-0066-1

836-79-0066-1

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Richmond Gear Ford 9" Pro Gear Ring and Pinion Set Ratio: 4.86 $370.91
Ford 9" Pro Gear Ring and Pinion Set
  • Ratio: 4.86
  • Teeth: 34-7

  • Richmond Gear 79-0066-1 Details

    Ford 9"


  • Designed For Drag Racing

  • Specifications:

    Gear Ratio
    4.86
    Axle Type
    Ford 9 in. 28 Spline
    Differential Case Design Type
    Ford 9
    Ring Gear Tooth Quantity
    34
    Cover Bolt Quantity
    Dropout
    Ring Gear Diameter
    9
    Ring Gear Bolt Quantity
    10
    Pinion Shaft Diameter
    1.313
    Pinion Spline Count
    28
    Ring Gear Rotation
    Standard
    Pinion Gear Tooth Quantity
    7
    Ring Gear Material
    9310 Steel
    Installation Kit Included
    No
    Pinion Gear Teeth
    7
    Pinion Shaft Diameter (in.)
    1.313
    Pinion Spline Count
    28
    Quantity
    Sold as a set
    Ring and Pinion Ratio
    4.86:1
    Ring Gear Bolts
    10
    Ring Gear Diameter (in.)
    9
    Ring Gear Rotation
    Standard
    Ring Gear Teeth
    34
    Manufacturer's Part Number:
    79-0066-1

    Richmond's Pro Gear Ring and Pinion Sets are designed to resist breakage under harsh racing conditions. These race only gear sets are manufactured of professional quality, high performance materials and engineered for faster and more reliable performance.

    Does Richmond Gear 79-0066-1 fit your vehicle?

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    1968 MERCURY MONTEGO

    • CC: 4727
    • Liter: 4.7
    • SubModel: MX
    • CUI: 289
    • EngineType: V8 ( 4.7 L / 289 )

    1963 MERCURY MARAUDER

    • CC: 6654
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 406
    • EngineType: V8 ( 6.6 L / 406 )

    1968 MERCURY MONTEGO

    • CC: 4727
    • Liter: 4.7
    • SubModel: MX
    • CUI: 289
    • EngineType: V8 ( 4.7 L / 289 )

    1969-1970 MERCURY MARAUDER

    • CC: 7030
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1967 MERCURY MARQUIS

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1968-1969 MERCURY MONTEGO

    • Liter: 5.0
    • SubModel: MX
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1969 MERCURY MARAUDER

    • CC: 6391
    • Liter: 6.4
    • SubModel: X-100
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1973 FORD GRAN TORINO

    • CC: 5753
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1969 MERCURY MONTEGO

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1971 MERCURY MONTEGO

    • CC: 5753
    • Liter: 5.8
    • SubModel: MX BROUGHAM
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1969 MERCURY MONTEGO

    • CC: 5753
    • Liter: 5.8
    • SubModel: MX
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1975-1978 MERCURY MARQUIS

    • EngineType: ALL
    • SubModel: ALL

    1968 FORD RANCHERO

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1970 MERCURY COMET

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1973 FORD GRAN TORINO

    • CC: 6556
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971 MERCURY MONTEGO

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976 FORD F-100

    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1973 MERCURY MONTEGO

    • CC: 6556
    • Liter: 6.6
    • SubModel: MX BROUGHAM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974 MERCURY MARQUIS

    • CC: 5752
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1966-1970 MERCURY MARAUDER

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1965 FORD MUSTANG

    • EngineType: ALL
    • SubModel: SHELBY GT-350

    1969 FORD THUNDERBIRD

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1967 FORD GALAXIE

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1964-1965 FORD FAIRLANE

    • CC: 5769
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 352
    • EngineType: V8 ( 5.8 L / 352 )

    1970 FORD TORINO

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1968-1969 MERCURY COMET

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1971 FORD THUNDERBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1969 MERCURY COMET

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1973 FORD GRAN TORINO

    • CC: 7030
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1977 FORD F-100

    • Liter: 6.6
    • SubModel: NORTHLAND
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973-1974 MERCURY MONTEGO

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976 FORD F-100

    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1973 MERCURY MONTEGO

    • CC: 7030
    • Liter: 7.0
    • SubModel: MX BROUGHAM
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1984-1986 FORD BRONCO

    • EngineType: ALL
    • SubModel: XLT

    1967 MERCURY MARQUIS

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1969-1970 MERCURY MARAUDER

    • CC: 6391
    • Liter: 6.4
    • SubModel: X-100
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1968 MERCURY MONTEGO

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1973 FORD GRAN TORINO

    • CC: 7539
    • Liter: 7.5
    • SubModel: SPORT
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1978-1980 FORD F-100

    • EngineType: ALL
    • SubModel: RANGER XLT

    1973-1974 MERCURY MONTEGO

    • CC: 7539
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1973-1974 FORD THUNDERBIRD

    • CC: 7539
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1977 FORD F-100

    • Liter: 6.6
    • SubModel: RANGER XLT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1963 FORD THUNDERBIRD

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1968-1970 FORD MUSTANG

    • EngineType: ALL
    • SubModel: SHELBY GT-350

    1971 MERCURY MONTEGO

    • CC: 5753
    • Liter: 5.8
    • SubModel: VILLAGER
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1983 FORD E-100 ECONOLINE

    • EngineType: ALL
    • SubModel: XL

    1968 FORD TORINO

    • CC: 3278
    • Liter: 3.3
    • SubModel: BASE
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1967 FORD GALAXIE

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1966 FORD BRONCO

    • CC: 3933
    • Liter: 3.9
    • SubModel: BASE
    • CUI: 240
    • EngineType: L6 ( 3.9 L / 240 )

    1962-1964 FORD FAIRLANE

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1975-1978 FORD E-150 ECONOLINE CLUB WAGON

    • EngineType: ALL
    • SubModel: ALL

    1977 FORD F-100

    • Liter: 5.8
    • SubModel: RANGER XLT
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1975-1981 FORD F-150

    • EngineType: ALL
    • SubModel: RANGER XLT

    1975-1977 FORD F-100

    • Liter: 5.0
    • SubModel: NORTHLAND
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1970 FORD TORINO

    • CC: 5753
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1969-1970 MERCURY COUGAR

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1963-1964 FORD GALAXIE

    • CC: 4727
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 289
    • EngineType: V8 ( 4.7 L / 289 )

    1959 FORD GALAXIE

    • CC: 5441
    • Liter: 5.4
    • SubModel: BASE
    • CUI: 332
    • EngineType: V8 ( 5.4 L / 332 )

    1974 FORD GRAN TORINO

    • CC: 7539
    • Liter: 7.5
    • SubModel: BROUGHAM
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1973 FORD GRAN TORINO

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1959-1963 FORD FAIRLANE

    • CC: 5769
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 352
    • EngineType: V8 ( 5.8 L / 352 )

    1973-1974 FORD THUNDERBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1965-1967 MERCURY COMET

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1973 FORD GRAN TORINO

    • CC: 5753
    • Liter: 5.8
    • SubModel: SPORT
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1975-1977 FORD F-100

    • CC: 4917
    • Liter: 4.9
    • SubModel: RANGER
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1968 MERCURY MONTEGO

    • CC: 4727
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 289
    • EngineType: V8 ( 4.7 L / 289 )

    1981 FORD F-100

    • Liter: 5.0
    • SubModel: RANGER LARIAT
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1968 FORD BRONCO

    • EngineType: ALL
    • SubModel: WAGON

    1984 FORD E-150 ECONOLINE

    • CC: 4917
    • Liter: 4.9
    • SubModel: XL
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1981 FORD F-100

    • Liter: 4.2
    • SubModel: RANGER XLT
    • CUI: 255
    • EngineType: V8 ( 4.2 L / 255 )

    1977-1978 FORD F-100

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971 MERCURY MONTEGO

    • CC: 7030
    • Liter: 7.0
    • SubModel: MX BROUGHAM
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1967 FORD RANCHERO

    • EngineType: ALL
    • SubModel: 500 XL

    1969-1970 FORD E-100 ECONOLINE

    • EngineType: ALL
    • SubModel: ALL

    1967 MERCURY MARQUIS

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1970 MERCURY MARQUIS

    • CC: 5752
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1969-1970 FORD GALAXIE 500

    • CC: 7030
    • Liter: 7.0
    • SubModel: XL
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1971 MERCURY MONTEGO

    • EngineType: ALL
    • SubModel: MX

    1968 FORD RANCHERO

    • CC: 6391
    • Liter: 6.4
    • SubModel: GT
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1964-1965 MERCURY COMET

    • EngineType: ALL
    • SubModel: 404

    1969 MERCURY MONTEGO

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1973-1974 FORD LTD

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1981 FORD F-100

    • CC: 4917
    • Liter: 4.9
    • SubModel: RANGER XLT
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1975 MERCURY MONTEGO

    • EngineType: ALL
    • SubModel: BROUGHAM

    1969 MERCURY MONTEGO

    • CC: 7014
    • Liter: 7.0
    • SubModel: MX
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1977 FORD F-100

    • Liter: 5.8
    • SubModel: XLT
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1969 FORD TORINO

    • EngineType: ALL
    • SubModel: ALL

    1965 MERCURY COMET

    • CC: 4261
    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1970 MERCURY COMET

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1982 FORD F-100

    • EngineType: ALL
    • SubModel: XLT LARIAT

    1969 FORD THUNDERBIRD

    • CC: 7030
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1967 FORD GALAXIE

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1972-1973 FORD MUSTANG

    • EngineType: ALL
    • SubModel: ALL

    1983 FORD E-150 ECONOLINE

    • EngineType: ALL
    • SubModel: XL

    1969 MERCURY COUGAR

    • EngineType: ALL
    • SubModel: XR-7

    1968-1970 FORD MUSTANG

    • EngineType: ALL
    • SubModel: SHELBY GT-500

    1973 MERCURY MONTEGO

    • CC: 5753
    • Liter: 5.8
    • SubModel: VILLAGER
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1970 FORD GALAXIE 500

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1981 FORD F-100

    • CC: 4917
    • Liter: 4.9
    • SubModel: RANGER
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1973-1974 FORD GALAXIE 500

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )
    79-0066-1 is rated 2.0 out of 5 by 1.
    Rated 2 out of 5 by from Richmond gears The Jegs catalog did not mention that the gear would not fit a Marks Williams Aluminum housing. The gear needed to be machined in order for the backlash to be set.
    Date published: 2016-07-21
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