Looking for aftermarket parts to modify or upgrade your Ford F-100 with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories.

OUT OF STOCK SL D44-19USA Standard Spartan Locker For Dana 44 Diff w/ 19 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1953-1969 Ford F-100 Base $760.89 |
IN STOCK - DROPSHIPS SL D44-30The Spartan Locker by USA Standard Gear provides reliable traction at a low cost. The Spartan Locker's patent pending design replaces the spider gears in a standard carrier case, does not use the thrust washers, and has a revolutionary spring-and-pin design that makes installation even easier! This ... USA Standard Spartan Locker For Dana 44 Diff w/ 30 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1953-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1979 Ford F-100 Custom / Ranger / Ranger XLT 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1979 Ford F-100 Ranger Lariat $710.89 |
OUT OF STOCK SL D60-30USA Standard Spartan Locker For Dana Spicer 60 w/ 30 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1965-1971 Ford F-100 Base $845.89 |
IN STOCK - DROPSHIPS SL D60-35USA Standard Spartan Locker For Dana 60 Diff w/ 35 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1965-1971 Ford F-100 Base $845.89 |
IN STOCK - DROPSHIPS SL F9-28-31USA Standard Spartan Locker For Ford 9in / 28 or 31 Spline 1957-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1981 Ford F-100 Ranger / Ranger XLT 1975-1982 Ford F-100 Custom 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1981 Ford F-100 Ranger Lariat 1982-1983 Ford F-100 XL / XLS / XLT Lariat 1983-1983 Ford F-100 Base $595.89 |
IN STOCK - DROPSHIPS SL XP-D44USA Standard Spartan Locker Replacement Cross Pin For Dana 44 1953-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1979 Ford F-100 Custom / Ranger / Ranger XLT 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1979 Ford F-100 Ranger Lariat $56.89 |
IN STOCK - DROPSHIPS SL XP-D60USA Standard Spartan Locker Replacement Cross Pin For Dana 60 1965-1971 Ford F-100 Base $56.89 |
IN STOCK - DROPSHIPS SL XP-F9-LUSA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Long 1957-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1981 Ford F-100 Ranger / Ranger XLT 1975-1982 Ford F-100 Custom 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1981 Ford F-100 Ranger Lariat 1982-1983 Ford F-100 XL / XLS / XLT Lariat 1983-1983 Ford F-100 Base $56.89 |
IN STOCK - DROPSHIPS SL XP-F9-SUSA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Short 1957-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1981 Ford F-100 Ranger / Ranger XLT 1975-1982 Ford F-100 Custom 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1981 Ford F-100 Ranger Lariat 1982-1983 Ford F-100 XL / XLS / XLT Lariat 1983-1983 Ford F-100 Base $40.38 |
IN STOCK - DROPSHIPS SL XP-F9-XSUSA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Extra Short 1957-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1981 Ford F-100 Ranger / Ranger XLT 1975-1982 Ford F-100 Custom 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1981 Ford F-100 Ranger Lariat 1982-1983 Ford F-100 XL / XLS / XLT Lariat 1983-1983 Ford F-100 Base $36.62 |

IN STOCK - DROPSHIPS YP FSD44-3-30DNYukon Full Spools are a cost-effective way to convert a diff to 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each Yukon spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outstanding choice for dedic... Yukon Gear Dana 44 Steel Spool Replacement 1953-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1979 Ford F-100 Custom / Ranger / Ranger XLT 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1979 Ford F-100 Ranger Lariat $406.89 |
IN STOCK - DROPSHIPS YP FSF9-31-LWYukon Full Spools are a cost-effective way to convert a diff to 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each Yukon spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outstanding choice for dedic... Yukon Gear Lightweight Steel Spool For Ford 9in w/ 31 Spline Axles 1957-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1981 Ford F-100 Ranger / Ranger XLT 1975-1982 Ford F-100 Custom 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1981 Ford F-100 Ranger Lariat 1982-1983 Ford F-100 XL / XLS / XLT Lariat 1983-1983 Ford F-100 Base $341.89 |

IN STOCK - DROPSHIPS YDAF9-370SVO-31Yukon dropout assemblies are built by expert Yukon technicians and come complete, properly shimmed and backlashed to spec. All you do is install the third member into your diff housing, bolt on the diff cover, add fluid, and roll. This unit features a nodular iron case which improves rigidity and po... Yukon Gear Ford 9in Differential w/Trac-Loc LSD Dropout Assembly 31 Spline 1957-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1981 Ford F-100 Ranger / Ranger XLT 1975-1982 Ford F-100 Custom 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1981 Ford F-100 Ranger Lariat 1982-1983 Ford F-100 XL / XLS / XLT Lariat 1983-1983 Ford F-100 Base $1,606.89 |
IN STOCK - DROPSHIPS YDGF9-28-AGYukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Trac Loc For Ford 9in With 28 Spline Axles. Aggressive Design 1957-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1981 Ford F-100 Ranger / Ranger XLT 1975-1982 Ford F-100 Custom 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1981 Ford F-100 Ranger Lariat 1982-1983 Ford F-100 XL / XLS / XLT Lariat 1983-1983 Ford F-100 Base $908.89 |
IN STOCK - LOW YDGF9-28-SMYukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Tracloc For Ford 9in With 28 Spline Axles. Street Design 1957-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1981 Ford F-100 Ranger / Ranger XLT 1975-1982 Ford F-100 Custom 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1981 Ford F-100 Ranger Lariat 1982-1983 Ford F-100 XL / XLS / XLT Lariat 1983-1983 Ford F-100 Base $908.89 |
IN STOCK - DROPSHIPS YDGF9-31-AGYukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Trac Loc For Ford 9in With 31 Spline Axles. Aggressive Design 1957-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1981 Ford F-100 Ranger / Ranger XLT 1975-1982 Ford F-100 Custom 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1981 Ford F-100 Ranger Lariat 1982-1983 Ford F-100 XL / XLS / XLT Lariat 1983-1983 Ford F-100 Base $906.89 |
IN STOCK - LOW YDGF9-31-SMYukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Trac Loc For Ford 9in With 31 Spline Axles. Street Design 1957-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1981 Ford F-100 Ranger / Ranger XLT 1975-1982 Ford F-100 Custom 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1981 Ford F-100 Ranger Lariat 1982-1983 Ford F-100 XL / XLS / XLT Lariat 1983-1983 Ford F-100 Base $908.89 |

IN STOCK - DROPSHIPS ZP MINSD44-30USA Standard Gear Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Fu... USA Standard Mini Spool For Dana 44 w/ 30 Spline Axles 1966-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1979 Ford F-100 Custom / Ranger / Ranger XLT 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1979 Ford F-100 Ranger Lariat $151.89 |
IN STOCK - DROPSHIPS ZP MINSF9-28USA Standard Gear Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Fu... USA Standard Mini Spool For Ford 9in w/ 28 Spline Axles 1957-1974 Ford F-100 Base 1975-1976 Ford F-100 Custom / Northland / Ranger / Ranger XLT 1976-1976 Ford F-100 Base $66.78 |
IN STOCK - DROPSHIPS ZP MINSF9-31USA Standard Gear Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Fu... USA Standard Mini Spool For Ford 9in w/ 31 Spline Axles 1957-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1981 Ford F-100 Ranger / Ranger XLT 1975-1982 Ford F-100 Custom 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1981 Ford F-100 Ranger Lariat 1982-1983 Ford F-100 XL / XLS / XLT Lariat 1983-1983 Ford F-100 Base $65.53 |

IN STOCK - DROPSHIPS ZP FSD44-3-30DNInstalling a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outs... USA Standard Steel Spool For Dana 44 w/ 30 Spline Axles / 3.73 & Down 1953-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1979 Ford F-100 Custom / Ranger / Ranger XLT 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1979 Ford F-100 Ranger Lariat $317.89 |
IN STOCK - DROPSHIPS ZP FSD44-4-30UPInstalling a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outs... USA Standard Steel Spool For Dana 44 w/ 30 Spline Axles / 3.92+ 1953-1974 Ford F-100 Base 1975-1978 Ford F-100 Northland 1975-1979 Ford F-100 Custom / Ranger / Ranger XLT 1976-1978 Ford F-100 Base 1977-1977 Ford F-100 XLT 1978-1979 Ford F-100 Ranger Lariat $302.89 |
IN STOCK - DROPSHIPS ZP FSD60-3-35Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outs... USA Standard Steel Spool For Dana 60 w/ 35 Spline Axles / 4.10 & Down 1965-1971 Ford F-100 Base $486.89 |
IN STOCK - DROPSHIPS ZP FSD60-4-30Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outs... USA Standard Steel Spool For Dana 60 w/ 30 Spline Axles / 4.56+ 1965-1971 Ford F-100 Base $486.89 |
IN STOCK - DROPSHIPS ZP FSD60-4-35Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outs... USA Standard Steel Spool For Dana 60 w/ 35 Spline Axles / 4.56+ 1965-1971 Ford F-100 Base $486.89 |