Looking for aftermarket parts to modify or upgrade your 1985 Chevrolet K20 with drivetrain? At Tunersports.com we carry a huge selection of the top name brand performance drivetrain parts and accessories for your K20.
Whether you have a 1985 Chevrolet K20 in Custom to Silverado trim we have you covered. With drivetrain from axle seals to wheel bearings we have 292 K20 drivetrain mods available. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW Yukon Gear & Axle USA Std Master Overhaul ZK GM8.5-FUSA Standard Master Overhaul Kit For The GM 8.5 Front Diff $231.89
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 IN STOCK - LOW Yukon Gear & Axle USA Std Gear Set - GM ZG GM14T-538TUSA Standard Ring & Pinion Thick Gear Set For 10.5in GM 14 Bolt Truck in a 5.38 Ratio $423.89
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 IN STOCK - LOW Yukon Gear & Axle USA Std Gear Set - GM ZG GM8.5-488USA Standard Ring & Pinion Gear Set For GM 8.5in in a 4.88 Ratio $296.89
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 IN STOCK Yukon Gear & Axle Positraction Internals YPKGM8.5-P-30Yukon Gear Positraction internals For 8.5in GM w/ 30 Spline Axles $323.89
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 IN STOCK - LOW Yukon Gear & Axle Positraction Internals YPKGM14T-PC-14Yukon Gear Eaton-Type Positraction Carbon Clutch Kit w/ 14 Plates For GM 14T and 10.5in $313.89
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 IN STOCK Yukon Gear & Axle Spindles YP SP706529Yukon Gear Dana 44 and GM 8.5in Front Spindle Replacement $280.89
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 $43.46
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 IN STOCK Yukon Gear & Axle Grizzly Lockers YGLGM8.5-3-30Yukon Gear Grizzly Locker For GM 8.5in & 8.6in / 30 Spline / 2.73+ $1,031.89
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 IN STOCK Yukon Gear & Axle Gear Sets - GM YG GM8.5-373Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 3.73 Ratio $399.89
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 IN STOCK Yukon Gear & Axle Dura Grip YDGGM8.5-3-30-1Yukon Gear Dura Grip Positraction For GM 8.5in & 8.6in w/ 30 Spline Axles $799.89
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 IN STOCK Yukon Gear & Axle Dura Grip YDGGM14T-3-30-1Yukon Gear Dura Grip Positraction For 10.5in GM 14 Bolt Truck / 4.10 & Down $1,057.89
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 IN STOCK Yukon Gear & Axle Carrier Cases YC G26010481Yukon Gear Standard Open Carrier Case / GM 8.5in / 2.73+ $217.89
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 IN STOCK Yukon Gear & Axle Yokes YY GM8.5-1350-CYukon Gear Cast Yoke For GM 8.5in w/ A 1350 U/Joint Size $199.89
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IN STOCK Yukon Gear & Axle Spindles YP SP706529Yukon Gear Dana 44 and GM 8.5in Front Spindle Replacement $280.89
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 IN STOCK Yukon Gear & Axle Mini Spools YP MINSGM8.5-30Yukon Gear Mini Spool For GM 8.5in w/ 30 Spline Axles $183.89
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