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  • Nitro Gear & Axle, 4.30 Ratio, 2017 & Newer, Ford F250/F350 SRW with Diesel Engine for use with Spicer AdvanTEK for Ford F250/F350 2017 & Newer
    Nitro Gear & Axle, 4.30 Ratio, 2017 & Newer, Ford F250/F350 SRW with Diesel Engine for use with Spicer AdvanTEK for Ford F250/F350 2017 & Newer
    Nitro Gear & Axle SA275-430-NG
    Special Price $418.20 Regular Price $492.00
  • Chrysler 8.25 Inch 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Chrysler 8.25 Inch 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle C8.25-373-NG
    Special Price $292.40 Regular Price $344.00
  • Nitro Ring & Pinion AAM, GM, 9.25" Reverse High Pinion 3.73 Ratio
    Nitro Ring & Pinion AAM, GM, 9.25" Reverse High Pinion 3.73 Ratio
    Nitro Gear & Axle GM9.25-373R-NG
    Special Price $339.15 Regular Price $399.00
  • Dana 30CS 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Dana 30CS 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle D30CS-373-NG
    Special Price $200.60 Regular Price $236.00
  • Chrysler 742 8.75 Inch 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Chrysler 742 8.75 Inch 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle C8.42-373-NG
    Special Price $277.95 Regular Price $327.00
  • Dana 44 HD 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Dana 44 HD 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle D44HD-373-NG
    Special Price $351.05 Regular Price $413.00
  • GM 9.25 Inch IFS AAM 4.30 Ratio Reverse Ring And Pinion Nitro Gear and Axle
    GM 9.25 Inch IFS AAM 4.30 Ratio Reverse Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle GM9.25-430R-NG
    Special Price $339.15 Regular Price $399.00
  • AAM 11.8 Inch 4.30 Ratio Dodge Chevy GMC Nitro Ring & Pinion
    AAM 11.8 Inch 4.30 Ratio Dodge Chevy GMC Nitro Ring & Pinion
    Nitro Gear & Axle AAM11.8-430-NG
    Special Price $438.60 Regular Price $516.00
  • Nitro Ring & Pinion Gear Shot Peened 4.30 Ratio, Reverse Short Pinion Gear for Dana 60 in 2017 & Newer Ford Super Duty Front Axle for Ford 2017-2022
    Nitro Ring & Pinion Gear Shot Peened 4.30 Ratio, Reverse Short Pinion Gear for Dana 60 in 2017 & Newer Ford Super Duty Front Axle for Ford 2017-2022
    Nitro Gear & Axle D60S-430R-NG
    Special Price $339.15 Regular Price $399.00
  • Ford 10.5 Inch 4.30 Ratio Ring And Pinion Nitro Gear and Axle
    Ford 10.5 Inch 4.30 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle F105-430-37-NG
    Special Price $403.75 Regular Price $475.00
  • Ford 10.5 Inch 37 Spline 3.73 Ratio Ring And Pinion 11+ Superduty Rear Nitro Gear and Axle
    Ford 10.5 Inch 37 Spline 3.73 Ratio Ring And Pinion 11+ Superduty Rear Nitro Gear and Axle
    Nitro Gear & Axle F105-373-37-NG
    Special Price $403.75 Regular Price $475.00
  • 220mm 4.30 Ratio Ring and Pinion 2018-2024 Jeep Wrangler JL Rubicon and Gladiator Rear Differential for Dana 44 Nitro Gear & Axle
    220mm 4.30 Ratio Ring and Pinion 2018-2024 Jeep Wrangler JL Rubicon and Gladiator Rear Differential for Dana 44 Nitro Gear & Axle
    Nitro Gear & Axle M220JL-430-NG
    Special Price $276.25 Regular Price $325.00
  • 220mm 3.73 Ratio Ring and Pinion 2018-2024 Jeep Wrangler JL Rubicon and Gladiator Rear Differential for Dana 44 Nitro Gear & Axle
    220mm 3.73 Ratio Ring and Pinion 2018-2024 Jeep Wrangler JL Rubicon and Gladiator Rear Differential for Dana 44 Nitro Gear & Axle
    Nitro Gear & Axle M220JL-373-NG
    Special Price $276.25 Regular Price $325.00
  • 210mm 3.73 Ratio Ring and Pinion 2018-2024 Jeep Wrangler JL Rubicon and Gladiator Front Differential for Dana 44 Nitro Gear & Axle
    210mm 3.73 Ratio Ring and Pinion 2018-2024 Jeep Wrangler JL Rubicon and Gladiator Front Differential for Dana 44 Nitro Gear & Axle
    Nitro Gear & Axle M210JL-373-NG
    Special Price $297.50 Regular Price $350.00
  • GM 8.2 Inch BOP 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    GM 8.2 Inch BOP 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle GMBOP-373-NG
    Special Price $288.15 Regular Price $339.00
  • GM 9.76 Inch 12 Bolt 2014-Present 6.2L 4.30 Ratio Ring and Pinion Nitro Gear & Axle
    GM 9.76 Inch 12 Bolt 2014-Present 6.2L 4.30 Ratio Ring and Pinion Nitro Gear & Axle
    Nitro Gear & Axle GM9.76K2-430-NG
    Special Price $365.50 Regular Price $430.00
  • **Discontinued**
    **Discontinued**
    Nitro Gear & Axle GM9.5K2-430-NG
    Special Price $403.75 Regular Price $475.00
  • GM 9.5 Inch 3.73 Ratio 14-Newer 5.3L 12 Bolt Ratio Ring And Pinion Nitro Gear and Axle
    GM 9.5 Inch 3.73 Ratio 14-Newer 5.3L 12 Bolt Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle GM9.5K2-373-NG
    Special Price $403.75 Regular Price $475.00
  • GM 8.25 Inch IFS 4.30 Ratio Reverse Ring And Pinion Nitro Gear and Axle
    GM 8.25 Inch IFS 4.30 Ratio Reverse Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle GM8.25-430R-NG
    Special Price $254.15 Regular Price $299.00
  • GM 8.25 Inch IFS 3.73 Ratio Reverse Ring And Pinion Nitro Gear and Axle
    GM 8.25 Inch IFS 3.73 Ratio Reverse Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle GM8.25-373R-NG
    Special Price $221.85 Regular Price $261.00
  • GM 7.5 Inch/7.625 Inch 4.30 Ratio Ring And Pinion Nitro Gear and Axle
    GM 7.5 Inch/7.625 Inch 4.30 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle GM7.5-430-NG
    Special Price $341.70 Regular Price $402.00
  • GM 8.875 Inch 12 Bolt 12P 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    GM 8.875 Inch 12 Bolt 12P 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle GM12P-373-NG
    Special Price $243.10 Regular Price $286.00
  • Ford Super 8.8 inch High Pinion 3.73 Ratio 15-Newer Mustang and F150 Nitro Ring & Pinion
    Ford Super 8.8 inch High Pinion 3.73 Ratio 15-Newer Mustang and F150 Nitro Ring & Pinion
    Nitro Gear & Axle F8.8S-373-NG
    Special Price $292.40 Regular Price $344.00
  • Ford 8.8 Inch 3.73 Ratio Reverse Ring And Pinion Nitro Gear and Axle
    Ford 8.8 Inch 3.73 Ratio Reverse Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle F8.8R-373R-NG
    Special Price $251.60 Regular Price $296.00
  • Ford 8.8 Inch 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Ford 8.8 Inch 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle F8.8-373-NG
    Special Price $224.40 Regular Price $264.00
  • Dana 80 3.73 Thin Ratio Ring And Pinion Nitro Gear and Axle
    Dana 80 3.73 Thin Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle D80-373-4-NG
    Special Price $282.20 Regular Price $332.00
  • Dana 70 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Dana 70 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle D70-373-NG
    Special Price $291.55 Regular Price $343.00
  • 10 Inch Shot Peened Gears, 4.30 Reverse High Pinion, Nitro Ring and Pinion for Dana Super 61
    10 Inch Shot Peened Gears, 4.30 Reverse High Pinion, Nitro Ring and Pinion for Dana Super 61
    Nitro Gear & Axle D60SR-430RT-NG
    Special Price $339.15 Regular Price $399.00
  • Nitro Gear & Axle, 300mm, 4.30 Ratio, with Diesel Engine for use with Spicer Advantek for Ford F-350 2017-2021
    Nitro Gear & Axle, 300mm, 4.30 Ratio, with Diesel Engine for use with Spicer Advantek for Ford F-350 2017-2021
    Nitro Gear & Axle SA300-430
    Special Price $616.25 Regular Price $725.00
  • Dana 50 4.30 Ratio Reverse Ring And Pinion Nitro Gear and Axle
    Dana 50 4.30 Ratio Reverse Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle D50R-430R-NG
    Special Price $259.25 Regular Price $305.00
  • Dana 50 3.73 Ratio Reverse Ring And Pinion Nitro Gear and Axle
    Dana 50 3.73 Ratio Reverse Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle D50R-373R-NG
    Special Price $259.25 Regular Price $305.00
  • Dana 30S 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Dana 30S 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle D30S-373TJ-NG
    Special Price $175.95 Regular Price $207.00
  • Nitro Gear Ring & Pinion 8" 4.30 Ratio 29 Spline
    Toyota 8 Inch Gears 4.30 Ratio 29 Spline Nitro Gear and Axle
    Nitro Gear & Axle TV6-430-29-NG
    Special Price $276.25 Regular Price $325.00
  • GM 8.5/8.6 Inch 4.30 Ratio Ring And Pinion Nitro Gear and Axle
    GM 8.5/8.6 Inch 4.30 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle GM8.5-430-NG
    Special Price $254.15 Regular Price $299.00
  • GM 8.5/8.6 Inch 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    GM 8.5/8.6 Inch 3.73 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle GM8.5-373-NG
    Special Price $219.30 Regular Price $258.00
  • GM 8.875 Inch 12 Bolt 12P 3.73 Thin Ratio Ring And Pinion Nitro Gear and Axle
    GM 8.875 Inch 12 Bolt 12P 3.73 Thin Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle GM12P-373-4-NG
    Special Price $291.55 Regular Price $343.00

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