Looking for aftermarket parts to modify or upgrade your Chevrolet C30 with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories for your C30.
Whether you have a 1975 or 1986 Chevrolet C30 in Cheyenne to Silverado trim we have you covered. We have 12 differentials available to mod your C30. 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 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 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.. 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 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.. 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 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 1976-1980 Chevrolet C30 Custom Deluxe 1976-1981 Chevrolet C30 Cheyenne 1976-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 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 1976-1980 Chevrolet C30 Custom Deluxe 1976-1981 Chevrolet C30 Cheyenne 1976-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 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 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 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 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $1,231.00 |
 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) 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 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 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $1,057.89 |
 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 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $779.89 |
 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 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $282.89 |
 OUT OF STOCK YZLCOMPRESSOR-01Air compressors provide the necessary pressure to engage a selectable air-operated locking differential like the Yukon Zip Locker.... Yukon Gear Zip Locker Compact Air Compressor for Air Operated Locker Operation Only 1980-1980 Chevrolet C30 Custom Deluxe 1980-1981 Chevrolet C30 Cheyenne 1980-1986 Chevrolet C30 Scottsdale / Silverado 1981-1981 Chevrolet C30 Deluxe 1981-1986 Chevrolet C30 Custom $255.89 |