1981 CHEVROLET K20 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

Powertrax Grip LS Traction Systems GM 8.5 Inch LS201028

Differential, Grip LS Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-LS201028

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Lokar Hi-Tech Kickdown Kits XKD-2350TPU

Automatic Transmission Kickdown Cables, Hi-Tech Kickdown Kits, Black Vinyl Jacket, 42.00 in. Cable Length, Fittings, GM, THM350, Kit

Part Number: LOK-XKD-2350TPU

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

South Bend Clutch Stage 2 Endurance Clutch Kits K04535-HD-TZ

Clutch Kit, Stage 2 Endurance, Single, 1.130 in. - 10-spline, Kevlar® Disc, Pressure Plate, Chevy, 5.7L, Kit

Part Number: SBB-K04535-HD-TZ

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Dana Spicer Drivetrain Products Spools and Mini Spools 10015373

Performance Mini Spool (GM 8.5 - 28 Spline)

Part Number: SDH-10015373

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSGM14T-3-30

Spool, Full, Steel, 30-spline, 14-bolt, GM 10.5 in., 4.10 Gear Ratio and Down, Each

Part Number: YGA-32048

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-036

9.5 Standard Open Pinion gear Thrust Washer.

Part Number: YGA-33374

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Crosspins and Shafts YSPXP-034

Differential Cross Shaft, Steel, Each

Part Number: YGA-33402

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle U-Joints YP SJ-297X-202

U-Joint, Front Axle, Spicer 1310-WJ, GM 8.5, Dana 30, Dana 44, Greasable, Chromoly, Pair

Part Number: YGA-32082

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Crosspin Bolts YSPBLT-063

9.5" & 9.25IFS GM X/PIN BOLT, STD & G/L, M10x1.5 THREAD

Part Number: YGA-33342

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Zoom MU Series Clutches MU1909-1C

Clutch, MU Series, 1.125 in. - 10-spline, Cerametallic Disc, Pressure Plate, Chevy, GMC, Kit

Part Number: ZZZ-MU1909-1C

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSGM8.5-30

Yukon steel spool for GM 8.5" & 8.6" with 30 spline axles

Part Number: YGA-32193

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Spider Gear Kits YPKGM9.5-P-33

Spider Gears, Side Gears, Cross Shaft Pin, Eaton Posi Carrier Style, Rear, GM 9.5 in., 33-spline, Kit

Part Number: YGA-16057

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Spider Gear Kits YPKGM9.5-S-33

Spider Gear Kit, Open Differential, GM 9.25 in./9.5 in., 33 Spline, Kit

Part Number: YGA-16060

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle 28/30 Spline Differential Carrier Cases GM 8.5/8.6 Inch YC GM8.5-DG-3

Yukon Dura Grip case, GM 8.5" & 8.6", 2.73 & up

Part Number: YGA-20107

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-513 GM 8.5/8.6 in. 5.13 Gears

Ring and Pinion Gears, 5.13:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: YGA-24163

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle 4340 Chromoly Axles YA W24120

Yukon front 4340 Chromoly axle kit for '79-'87 GM 8.5" 1/2 ton truck and Blazer

Part Number: YGA-21326

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

TCI Auto Automatic Transmission Cases 210002

TCI Auto Automatic Transmission Cases 210002

CASE, TH-400 REID SFI

Part Number: TCI-210002

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Yukon Gear & Axle Differential Clutch Sets YPKGM14T-PC-DG1

DURA GRIP COMPOSITE CLUTCH KIT

Part Number: YGA-16184

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Rebuild Kits and Spider Gears YPKGM9.5-P-33-DG

9.5" GM DURA GRIP_ONLY!!, POSI SPIDER SET (No_clutches)

Part Number: YGA-16166

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle 1541H Alloy Axles YA BFF35-40-ND

Axle Shaft, 35-Spline, 40 in. Length, Rear, Dana 60, Chevy, GMC, Jeep, Plymouth, Each

Part Number: YGA-21005

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gears 11907

14T 10.5" GM; 4.10&Dwn 40spl GRIZZLY LOCKER CARRIER ASSEMBLY (40spl CASE w/ LOCKER)

Part Number: YGA-11907

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

TCI Automatic Transmission Clutch Steels 224512

TH400 INT STEEL .063" (5)

Part Number: TCI-224512

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

TCI Automatic Transmission Clutch Steels 224712

TH400 FWD KOL .063" (7)

Part Number: TCI-224712

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Dorman U-Joint Fasteners 929-713

U-Bolt Repair Kit

Part Number: RNB-929-713

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Dorman U-Joint Fasteners 929-716

U-Bolt Repair Kit

Part Number: RNB-929-716

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today