Yukon Gear ZMBK117WS bearing and synchro kit for 1963-1965 Muncie M20 M21 4-speed manual transmission
Click to zoom in

Yukon Gear 63-65 Muncie M20/M21 M/T w/SynchroS Bearing Kit

YUKZMBK117WS
883584795339
Bearings
1 Units In Stock - Ships Next Business Day
$ 267.89
$ 267.89

Yukon Gear 63-65 Muncie M20/M21 M/T w/SynchroS Bearing Kit is the exact Yukon Gear & Axle bearings identified by manufacturer part number ZMBK117WS. Match the part number, vehicle, axle housing, differential, spline count, gear ratio, carrier break, position, dimensions, and intended use before ordering.

Key Features

  • Specifically engineered for the 1963-1965 Muncie M20 and M21 design
  • OEM-specification bearings with correct load ratings for early Muncie dimensions
  • Correct friction-material synchronizer rings for the early Muncie synchronizer design
  • Complete kit, no multi-supplier sourcing required
  • Restores factory-quality shift feel and gear engagement

Fitment

Verified catalog applications: 1963-1965 Chevrolet Chevelle, 1963-1965 Chevrolet Corvette, 1963-1965 Chevrolet Nova. Confirm axle housing, differential, spline count, gear ratio, carrier break, position, and manufacturer exclusions for the exact vehicle before ordering.

Years Make Model
1963-1965 Chevrolet Chevelle
1963-1965 Chevrolet Corvette
1963-1965 Chevrolet Nova

Specifications

Brand Yukon Gear & Axle
Manufacturer Part Number ZMBK117WS
SKU YUKZMBK117WS
UPC 883584795339
Product Type Bearings
Fitment Type Vehicle Specific
Catalog Status Manufacturer Verification Required
Condition New

What's Included

One new Yukon Gear & Axle bearings identified by manufacturer part number ZMBK117WS, plus only the bearings, seals, shims, fasteners, and hardware expressly supplied for this exact part number.

About Yukon Gear & Axle

Yukon Gear & Axle develops ring and pinion sets, axles, differentials, bearings, seals, installation kits, and drivetrain service components for street, towing, off-road, and performance applications.

Related Yukon Gear & Axle Products

Frequently Asked Questions

Will Yukon Gear & Axle ZMBK117WS fit my vehicle?
Verified catalog applications: 1963-1965 Chevrolet Chevelle, 1963-1965 Chevrolet Corvette, 1963-1965 Chevrolet Nova. Confirm axle housing, differential, spline count, gear ratio, carrier break, position, and manufacturer exclusions for the exact vehicle before ordering.

What should I verify before ordering?
Verify the exact part number, vehicle, axle housing, differential, spline count, gear ratio, carrier break, bearing dimensions, position, intended use, and manufacturer exclusions.

What is included?
The package contains only the Yukon Gear & Axle components and hardware specified for part number ZMBK117WS. Related bearings, seals, fluids, tools, and service parts are sold separately unless expressly listed.

Installation

Follow Yukon Gear & Axle's current instructions for part number ZMBK117WS. Confirm all measurements and clearances, inspect mating components, set bearing preload and gear backlash where applicable, verify contact pattern, use specified lubricants and torque values, and have precision differential work completed by a qualified drivetrain technician.

Request For Information

Have questions about Yukon Gear 63-65 Muncie M20/M21 M/T w/SynchroS Bearing Kit? Fill out the form below and we'll get back to you by the next business day.
Bearings

Bearings

Engine and drivetrain bearings for domestic, import, and diesel platforms are stocked at Black Ops Auto Works. Shop main bearings, rod bearings, cam bearings, thrust bearings, wheel bearings, pilot bearings, transmission bearing kits, and differential bearing sets for HEMI 5.7, 6.1, 6.4, and 6.2 supercharged engines, LS and LT platforms, Coyote V8s, Duramax, Cummins, and Power Stroke diesels, and popular import engines like the VQ35, VQ37, VR38DETT, K20, K24, and 2JZ. Every bearing is filterable by year, make, model, engine code, and bearing clearance so the correct part ships the first time. Black Ops Auto Works carries 1250 bearing SKUs across engine internals, transmission and transfer case hardware, differential components, and wheel end assemblies. What This Category Covers Bearings are the precision-fit wear surfaces that keep an engine, transmission, and axle assembly spinning true under load. A correctly sized bearing set with the right clearance is one of the most impor...

View Bearings Products
Engine

Engine

Shop automotive engine parts, cooling-system components, oil-system upgrades, ignition parts, pulleys, sensors, gaskets, fuel components, and engine-bay accessories at Black Ops Auto Works. This collection covers vehicle-specific replacement parts, performance upgrades, supporting hardware, and universal components for street cars, trucks, SUVs, Jeeps, diesel vehicles, off-road builds, and motorsport applications. Engine Parts and Performance Components The Engine collection brings together components used throughout the engine, lubrication system, cooling system, ignition system, fuel system, crankcase ventilation, accessory drive, and engine compartment. Available products range from replacement sensors and gaskets to rotating-assembly parts, performance cooling systems, supercharger pulleys, catch cans, cylinder heads, camshafts, intake manifolds, and engine-bay dress-up components. Engine compatibility cannot be determined from vehicle model alone. Confirm the exact year, make, ...

View Engine Products
Engine Block

Engine Block

Engine block parts and internals for HEMI, Hellcat, Trackhawk, TRX, LS, LT, Coyote, EcoBoost, K-Series, VR38DETT, and Cummins diesel builds are stocked at Black Ops Auto Works. Shop main and rod bearings, engine gaskets and gasket kits, engine mounts, block off plates, block heaters, PCV valves, sleeves, engine covers, and complete engines. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 2,187 engine block SKUs across rotating assembly, sealing, mounting, and engine bay dress-up categories. What This Category Covers The Engine Block collection groups the internal and structural components that make up the bottom end and block assembly of a performance or OEM-replacement engine. Coverage spans bearings for rotating assembly refreshes, gaskets and gasket kits for sealing rebuilds, engine mounts for swap and performance builds, and engine bay dress-up pieces for HEMI, Hellcat, and ...

View Engine Block Products
Yukon Gear & Axle

Yukon Gear & Axle

Shop Yukon Gear & Axle ring and pinion gears, axle shafts, locking differentials, limited-slip differentials, and installation kits at Black Ops Auto Works. Explore drivetrain components for compatible trucks, Jeeps, SUVs, muscle cars, and custom axle builds. From rebuilding a worn differential to changing gear ratios or upgrading traction, choose parts that match your exact axle configuration and intended use. Yukon Ring and Pinion Gear Sets This collection includes ring and pinion sets for multiple Dana, Ford, GM, Chrysler, Toyota, and Nissan axle applications. Compare available ratios for your specific housing, along with standard or reverse-rotation requirements, carrier compatibility, and installation notes. Select a ratio around tire diameter, transmission gearing, engine operating range, and driving requirements. A ratio that suits a trail-focused build may not suit a highway-driven vehicle. For four-wheel-drive applications, confirm the correct front and rear ratio pairi...

View Yukon Gear & Axle Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×