Looking for aftermarket parts to modify or upgrade your GMC K25/K2500 Suburban with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories.

IN STOCK - LOW YDGD44-3-30-1The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Dura Grip For Dana 44 / 30 Spline / 3.73 & Down 1967-1974 GMC K25/K2500 Suburban Base $901.89 |
IN STOCK - LOW YDGD44-4-30-1The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Dura Grip For Dana 44 / 30 Spline / 3.92+ 1967-1974 GMC K25/K2500 Suburban Base $900.89 |
IN STOCK - DROPSHIPS YDGD60-3-30Yukon 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 Dana 60 4.10 & Down Dura Grip Positraction Narrow 30 Spline ABS Compatible 1967-1972 GMC K25/K2500 Suburban Base $1,064.89 |
IN STOCK - DROPSHIPS YDGD60-3-35Yukon 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 Dura Grip Positraction Dana 60 w/ 35 Spline 4.10 & Down Ratio 1967-1972 GMC K25/K2500 Suburban Base $1,064.89 |
IN STOCK - DROPSHIPS YDGD60-4-30Yukon 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 Dana 60 4.56 & Up Dura Grip Positraction Narrow 30 Spline ABS Compatible 1967-1972 GMC K25/K2500 Suburban Base $1,064.89 |
OUT OF STOCK YDGD60-4-35Yukon 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 Dana 60 456 & Up Dura Grip Positraction Narrow 35Spl Abs Compatible 1967-1972 GMC K25/K2500 Suburban Base $1,083.89 |
IN STOCK - LOW YDGGM14T-3-30-1Yukon 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 Dura Grip Positraction For 10.5in GM 14 Bolt Truck / 4.10 & Down 1973-1974 GMC K25/K2500 Suburban Base $1,212.89 |

OUT OF STOCK YGLD44-3-30Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker / Fits Dana 44 / 30 Spline / 3.73 & Down 1967-1974 GMC K25/K2500 Suburban Base $1,098.89 |
OUT OF STOCK YGLD44-4-30Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Dana 44 Grizzly Locker Replacement 1967-1974 GMC K25/K2500 Suburban Base $1,062.89 |
OUT OF STOCK YGLD60-3-30Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker For Dana 60 / 4.10 & Down / 30 Spline 1967-1972 GMC K25/K2500 Suburban Base $1,127.89 |
OUT OF STOCK YGLD60-3-35Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker For Dana 60 / 4.10 & Down / 35 Spline 1967-1972 GMC K25/K2500 Suburban Base $1,090.89 |
IN STOCK - DROPSHIPS YGLD60-3-40Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker For Dana 60 / 4.10 & Down / 40 Spline 1967-1972 GMC K25/K2500 Suburban Base $1,193.89 |
IN STOCK - DROPSHIPS YGLD60-4-30Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker For Dana 60 / 4.56+ / 30 Spline 1967-1972 GMC K25/K2500 Suburban Base $1,130.89 |
IN STOCK - LOW YGLD60-4-35Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker For Dana 60 / 4.56+ / 35 Spline 1967-1972 GMC K25/K2500 Suburban Base $1,153.89 |
IN STOCK - DROPSHIPS YGLD60-4-40Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker For Dana 60 / 4.56+ / 40 Spline 1967-1972 GMC K25/K2500 Suburban Base $1,276.89 |
OUT OF STOCK YGLGM14T-3-40Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker For GM 10.5in 14T Differential 40 Spline 4.10-Down Ratio 1967-1974 GMC K25/K2500 Suburban Base $930.89 |
OUT OF STOCK YGLGM14T-30Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker For GM 10.5in 14 Bolt Truck w/ 30 Spline Axles 1973-1974 GMC K25/K2500 Suburban Base $866.89 |

IN STOCK - DROPSHIPS YP MINSD44-30Yukon 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. Full spools ar... Yukon Gear Mini Spool For Dana Spicer 44 w/ 30 Spline Axles 1967-1974 GMC K25/K2500 Suburban Base $207.89 |
IN STOCK - LOW YP MINSGM14T-30Yukon mini spools provide the traction of a full spool at an economical cost.... Yukon Gear Mini Spool For GM 10.5in 14 Bolt Truck 1973-1974 GMC K25/K2500 Suburban Base $322.89 |

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 1967-1974 GMC K25/K2500 Suburban Base $710.89 |
IN STOCK - DROPSHIPS SL D60-30USA Standard Spartan Locker For Dana Spicer 60 w/ 30 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1967-1972 GMC K25/K2500 Suburban 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 1967-1972 GMC K25/K2500 Suburban Base $845.89 |
IN STOCK - DROPSHIPS SL XP-D44USA Standard Spartan Locker Replacement Cross Pin For Dana 44 1967-1974 GMC K25/K2500 Suburban Base $56.89 |
IN STOCK - DROPSHIPS SL XP-D60USA Standard Spartan Locker Replacement Cross Pin For Dana 60 1967-1972 GMC K25/K2500 Suburban Base $56.89 |

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 1967-1974 GMC K25/K2500 Suburban Base $406.89 |