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Axles - Differentials | 2017-2019 Ford 6.7 Powerstroke

The release of the 2017 SuperDuty brought about some revisions to the axles in order to support the additional power and towing capacity compared to the previous 2011-2016 model year generation. Up fr ... read more

ARB On-Board High Performance 12 Volt Air Compressor ARB-CKSA12 8.00 ARB On-Board High Performance 12 Volt Air Compressor ARB CKSA12 This permanently mounted air compressor is specifically designed to be used with the installation of ARB Air Lockers. This kit comes complete with a full wiring loom with air locker solenoid plug in contact, mounting hardware with reinforcing bracket, and a quality compressor isolating switch. ARB CKMA12 On-Board High Performance 12 Volt Air Compressor ARB-CKMA12 12.00 ARB CKMA12 On-Board High Performance 12 Volt Air Compressor ARB CKMA12 The ARB Heavy Duty Compressor is a life saver by delivering available air on tap whenever you need it. ARB On-Board High Performance 12 Volt Twin Air Compressor ARB-CKMTA12 22.00 ARB On-Board High Performance 12 Volt Twin Air Compressor ARB CKMTA12 The ARB Twin Air Heavy Duty Compressor is a life saver by delivering available air on tap whenever you need it. ARB One Gallon Air Tank ARB-171507 12.00 ARB One Gallon Air Tank ARB 171507
$ 178 2050-01-01
This air tank is to be used specifically with the ARB On-Board Air Compressors to improve their efficiency by giving more available air volume.
Nitro Ring and Pinion Gear Kit Ford 10.5 Rear Axle 11-22 Ford F-250 / F-350 SuperDuty SRW NG-F105-373-37-NG-Main 0.00 Nitro Ring and Pinion Gear Kit Ford 10.5 Rear Axle 11-22 Ford F-250 / F-350 SuperDuty SRW Nitro Gear & Axle F105-373-37-NG Match up your tire size to speed to RPM for optimum performance in your 6.7 Powerstroke. ARB E-Z Deflator Kit ARB505 2.00 ARB E-Z Deflator Kit ARB ARB505
$ 54 2050-01-01
Looking for an easy way to deflate your tires? ARB's E-Z deflator will do the trick with it's quick and easy tire deflation and accurate pressure readings.
ARB Twin Air Compressor Weld On Mounting Plate PPU-ARBCOMPMOUNT 5.00 ARB Twin Air Compressor Weld On Mounting Plate Power Products Unlimited PPU-ARBCOMPMOUNT Give your ARB compressor a home with this sturdy mounting system. ARB Air Compressor Manifold Kit 171503 ARB-171503 10.00 ARB Air Compressor Manifold Kit 171503 ARB 171503 Connect your air lockers to your CKMTA12 with the ARB Air Compressor Manifold Kit! Once installed you'll be able to run two air lockers. Nitro Ring and Pinion Gear Kit Dana M275 Rear Axle 17-22 Ford F-250 / F-350 SuperDuty SRW NG-SA275-331-main 0.00 Nitro Ring and Pinion Gear Kit Dana M275 Rear Axle 17-22 Ford F-250 / F-350 SuperDuty SRW Nitro Gear & Axle SA275-331 Match up your tire size to speed to RPM for optimum performance in your 6.7 Powerstroke featuring a Dana Spicer M275 rear axle. Nitro Ring and Pinion Gear Kit Dana M300 Rear Axle 17-22 Ford F-350 / F-450 SuperDuty DRW NG-SA300-410-main 0.00 Nitro Ring and Pinion Gear Kit Dana M300 Rear Axle 17-22 Ford F-350 / F-450 SuperDuty DRW Nitro Gear & Axle SA300-410 Match up your tire size to speed to RPM for optimum performance in your 6.7 Powerstroke featuring a Dana Spicer M300 rear axle. Nitro Complete Ring and Pinion Gear Package 17-22 Ford F250 SuperDuty W/ Sterling 10.5 Rear NG-GPSD17-SELECT-105-main 0.00 Nitro Complete Ring and Pinion Gear Package 17-22 Ford F250 SuperDuty W/ Sterling 10.5 Rear Nitro Gear & Axle GPSD17-4.30-105 Tracking down all of the pieces for a ring and pinion upgrade can be a chore, but not anymore! This complete package from Nitro Gear includes the front and rear gears, as well as a complete Master Installation Kit for both differentials. Nitro Complete Ring and Pinion Gear Package 17-22 Ford SuperDuty W/ M275 Rear Axle NG-GPSD17-275-main 0.00 Nitro Complete Ring and Pinion Gear Package 17-22 Ford SuperDuty W/ M275 Rear Axle Nitro Gear & Axle GPSD17-4.30-275 Tracking down all of the pieces for a ring and pinion upgrade can be a chore, but not anymore! This complete package from Nitro Gear includes the front and rear gears, as well as a complete Master Installation Kit for both differentials in your Ford Superduty.

The release of the 2017 SuperDuty brought about some revisions to the axles in order to support the additional power and towing capacity compared to the previous 2011-2016 model year generation. Up front, its basically unchanged with the use of a 35 spline Super Dana 60. Out back, however, there are several variations depending on the capacity of the truck. For those with an F-250, there are two axles that could be residing under your bed. If your truck is equipped with the Heavy Duty Tow Package, you've got a Dana M275 featuring a 10.8" ring gear. For those F-250's without the HD Tow Package, you'll have the tried and true Sterling 10.5 that has been used for years, still featuring a 10.5" ring gear. Moving from there, the F-350 Single Rear Wheel (SRW) models are equipped with the same Dana M275 as the properly equipped 250's. Next, Dual Rear Wheel (DRW) F-350 and F-450's are bumped to a Dana M300 with a massive 11.8" ring gear. The 10.5" has 35 spline axles, where the M275 has 36 splines, and the M300 boasts 37 splines. From the factory, these housings were typically stuffed with the popular 3.31 ratio, but also had options for 3.55, 3.73, or 4.30 ratios.

Over the years, these assemblies have proven themselves relatively reliable on moderately used trucks running stock, or close to stock tire size and power output. For those of us that demand substantial power increases and larger tires, there is room for improvement to improve the reliability and performance that they can afford. One of the best upgrades we can recommend for anyone that has increased tire size, is that of a ring and pinion ratio upgrade. As previously stated, most of these trucks came factory with a 3.31 ratio, designed to have a proper run out with a stock size tire (roughly 32" with the popular 275-65R-18 size). But as soon as you upgrade to a 37" or larger tire, all of a sudden your RPM vs. speed are effected, even causing a disruption of the shift pattern on automatic transmission equipped trucks.

Lets give the example of upgrading to a 37" tire. By using cross multiplication, we can determine that in order to have the same RPM vs. speed as with the factory tire size, you would want to install a 3.83 gear ratio (3.31/32*37). Unfortunately, in this scenario there is no such thing as a 3.83 ratio, but the closest would be a 3.73 that is readily available. Or, you can also opt to go with a slightly lower ratio of 4.10 that would give you a higher RPM vs. speed compared to stock, which is especially useful for those towing frequently.

Besides replacing the ring and pinion, we also offer numerous other upgrades, such as ARB Air Lockers, rebuild kits, and so much more. As always, if you have any questions about which product is right for you and your truck don't hesitate to give us a call or send us an e-mail to [email protected] and we would be happy to help.

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