Looking for aftermarket parts to modify or upgrade your Chevrolet K30 with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories for your K30.
Whether you have a 1977 or 1986 Chevrolet K30 in Cheyenne to Silverado trim we have you covered. We have 41 differentials available to mod your K30. All parts have free shipping to the Continental US 48 States.
 IN STOCK RD114Air locker locking differentials allow you to tackle the toughest terrain. The worlds premier traction aid, ARB air lockers keep you moving in all conditions.A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.... ARB Airlocker 10.5In 30 Spl Ff Gm 14 Bolt S/N 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,231.00 |
 IN STOCK RD166Air locker locking differentials allow you to tackle the toughest terrain. The worlds premier traction aid, ARB air lockers keep you moving in all conditions.A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.... ARB Airlocker Dana60Hd 35Spl4.56Up S/N.. 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,231.00 |
 IN STOCK RD167Air locker locking differentials allow you to tackle the toughest terrain. The worlds premier traction aid, ARB air lockers keep you moving in all conditions.A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.... ARB Airlocker Dana60Hd 4.10&Dn S/N.. 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,231.00 |
 IN STOCK RD172With our improved two piece design available right across the range, along with the addition of forged gears and an industry leading five year warranty, ARB Air Lockers are now better built and better backed than ever before. Created to provide 100 percent traction on demand, without sacrificing any... ARB Airlocker Dana70/80 35 Spl Low Spd S/N 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,380.00 |
 SHIPS FROM MANUFACTURER RD173With our improved two piece design available right across the range, along with the addition of forged gears and an industry leading five year warranty, ARB Air Lockers are now better built and better backed than ever before. Created to provide 100 percent traction on demand, without sacrificing any... ARB Airlocker Dana70/80 35 Spl High Spd S/N 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,380.00 |
 SHIPS FROM MANUFACTURER RD234With our improved two piece design available right across the range, along with the addition of forged gears and an industry leading five year warranty, ARB Air Lockers are now better built and better backed than ever before. Created to provide 100 percent traction on demand, without sacrificing any... ARB Airlocker 10.5In 40 Spl Ff Gm 14 Bolt S/N 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,231.00 |
 SHIPS FROM MANUFACTURER RD235With our improved two piece design available right across the range, along with the addition of forged gears and an industry leading five year warranty, ARB Air Lockers are now better built and better backed than ever before. Created to provide 100 percent traction on demand, without sacrificing any... ARB Airlocker 10.5In 35 Spl Ff Gm 14 Bolt S/N 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,231.00 |
 IN STOCK 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 1977-1980 Chevrolet K30 Cheyenne / Custom Deluxe / Scottsdale / Silverado $799.89 |
 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+ 1977-1980 Chevrolet K30 Cheyenne / Custom Deluxe / Scottsdale / Silverado $792.89 |
 IN STOCK - DROPSHIPS YDGD60-3-30The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 432... Yukon Dana 60 4.10 & Down Dura Grip Positraction Narrow 30 Spline ABS Compatible 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $936.89 |
 IN STOCK - DROPSHIPS YDGD60-3-35Yukon Gear and Axles Dura Grip positraction limited slip differential provides smooth yet aggressive traction to give you the confidence and performance you need in a variety of terrains. The Dura Grip posi limited slip is engineered for long life, and is completely rebuildable. Dura Grips are built... Yukon Gear Dura Grip Positraction Dana 60 w/ 35 Spline 4.10 & Down Ratio 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $936.89 |
 IN STOCK - DROPSHIPS YDGD60-4-30The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 432... Yukon Dana 60 4.56 & Up Dura Grip Positraction Narrow 30 Spline ABS Compatible 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $936.89 |
 IN STOCK - DROPSHIPS YDGD60-4-35The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 432... Yukon Gear Dana 60 456 & Up Dura Grip Positraction Narrow 35Spl Abs Compatible 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $953.89 |
 IN STOCK - DROPSHIPS YDGD70-3-35The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 432... Yukon Gear Dura Grip Limited Slip for Dana 70 (35 Spline/4.10 & Down/ABS Compatible) 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,107.25 |
 IN STOCK YDGGM14T-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 Positraction For 10.5in GM 14 Bolt Truck / 4.10 & Down 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,057.89 |
 OUT OF STOCK YGLD44-3-30The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker / Fits Dana 44 / 30 Spline / 3.73 & Down 1977-1980 Chevrolet K30 Cheyenne / Custom Deluxe / Scottsdale / Silverado $999.89 |
 IN STOCK - LOW YGLD44-4-30The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Dana 44 Grizzly Locker Replacement 1977-1980 Chevrolet K30 Cheyenne / Custom Deluxe / Scottsdale / Silverado $966.89 |
 IN STOCK - LOW YGLD60-3-30The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Dana 60 / 4.10 & Down / 30 Spline 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,025.89 CLEARANCE VIEW PRICE IN CART |
 IN STOCK YGLD60-3-35The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Dana 60 / 4.10 & Down / 35 Spline 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $992.89 |
 IN STOCK - DROPSHIPS YGLD60-3-40The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Dana 60 / 4.10 & Down / 40 Spline 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,085.89 |
 IN STOCK - DROPSHIPS YGLD60-4-30The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Dana 60 / 4.56+ / 30 Spline 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,028.89 |
 OUT OF STOCK YGLD60-4-35The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Dana 60 / 4.56+ / 35 Spline 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,027.89 |
 IN STOCK - DROPSHIPS YGLD60-4-40The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Dana 60 / 4.56+ / 40 Spline 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $1,161.89 |
 IN STOCK YGLGM14T-30The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For GM 10.5in 14 Bolt Truck w/ 30 Spline Axles 1977-1980 Chevrolet K30 Custom Deluxe 1977-1981 Chevrolet K30 Cheyenne 1977-1986 Chevrolet K30 Scottsdale / Silverado 1981-1981 Chevrolet K30 Deluxe 1981-1986 Chevrolet K30 Custom $779.89 |
 IN STOCK - DROPSHIPS YP MINSD44-30Mini spools are a low-cost traction option for vehicles looking for full-time lockup.... Yukon Gear Mini Spool For Dana Spicer 44 w/ 30 Spline Axles 1977-1980 Chevrolet K30 Cheyenne / Custom Deluxe / Scottsdale / Silverado $181.89 |