CHEVROLET Chevy big block Mark IV Differential & Rear-End Components

Axle 12T GM REAR, '70-81' TRK, 4WD, 31-7/16", 30spl, 6x5.5", 2.53" OD BRG (1559), 1 SIDE

Part Number: SPZ-11920

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Axle 8.5" GM REAR, 88-'99, TRK & SUV, 32" LONG, 30spl, 5 LUG, 2WD, 2.8" OD BEARING, C10

Part Number: SPZ-11921

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Parts Kit

Part Number: MGR-706058XR

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Ring and Pinion Gears, 4.88:1 Ratio, 29-spline, Standard Rotation, 9.750 in. Ring Gear Diameter, Dana 60, Set

Part Number: MGR-D60-488

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Axle, Direct Fit, Rear, 1541 Carbon Steel, 28-Spline, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: MGR-1255801

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875342

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., Set

Part Number: MGR-G875342X

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Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 33-spline Inner, 31.813 in. Length, Each

Part Number: MGR-MG1615

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Axle Shaft, Direct Fit, 4340 Chromoly, 30-Spline, 19.150 in. Length, Chevy, GMC, Each

Part Number: MGR-MG20132B

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Axle Shafts, Ten Factory, Front Left Inner , 4340 Chromoly, Cut to Fit, 22.00 Length, Dana 44, Each

Part Number: MGR-MG20440

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Axle Shaft; 22" length, Blank

Part Number: MGR-MG20600

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Axle Shaft, Direct Fit, 4340 Chromoly, 35-Spline, 12.000 in. Length, Chevy, GMC, Each

Part Number: MGR-MG20650B

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Gear, Ring and Pinion, 5.89:1 Ratio, Dana 44, Set

Part Number: MGR-D44-589

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Gear, Ring and Pinion, 5.38:1 Ratio, Dana 44, Set

Part Number: MGR-D44-538

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, Dana 44, 30-spline, Chevy, Dodge, Ford, GMC, International, Isuzu, Jeep, Kit

Part Number: SPZ-39006

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SPIDER GEARS, spider gear set.

Part Number: YGA-16183

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Differential Cover, 10-bolt, Steel, Natural, Dana 70, Each

Part Number: YGA-32322

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Axle Shaft, 28-spline, 31.500 in. Length, Rear, GM 8.5 in., Chevy, GMC, Each

Part Number: SPZ-35052

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Differential Cover, 10-bolt, Steel, Natural, Dana 80, Each

Part Number: YGA-32323

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Axle Stub, Front, Steel, 12.000 in. Length, 35-spline, Dana 60, Chevy, Dodge, GMC, Each

Part Number: SPZ-35012

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4340 Chromoly axle shaft, right hand inner for '79-'87 GM, 19.15", uses 5-760X u/joint

Part Number: SPZ-35089

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Axle 8.2" & 8.5" GM REAR, '65-'79 PASSSHAFT, 29-1/2", 2.780" SMALL HUB, 28spl, 1 SIDE

Part Number: SPZ-11950

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Axle Drive Flanges, Front, 30-spline, Steel, Natural, Dana 60, Chevy, Dodge, Ford, GMC, Each

Part Number: YGA-29076

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Axle 12P GM REAR, 64-67 CHEVELE & 67-69 CAMARO, 29-3/4", 30spl, 1563 BRG, 1 SIDE

Part Number: SPZ-11949

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Estimated Ship Date: Dec 29, 2025 if ordered today

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12" 30spl GM D60 OUTER STUB, 4340

Part Number: SPZ-35120

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Estimated Ship Date: Dec 29, 2025 if ordered today

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