USA Standard Gear Differential & Rear-End Components

Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Passenger Car, Set

Part Number: SPZ-36167

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Estimated Ship Date: Aug 19, 2025 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36075

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Estimated Ship Date: Aug 19, 2025 if ordered today

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4340 Chromoly Axle, '79-'87 GM Truck & Blazer, RH inner, 28spl, uses 5-760X u/joint

Part Number: SPZ-35087

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Estimated Ship Date: Aug 21, 2025 if ordered today

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Differential Carrier, Power Lok, Positraction, Smooth Design, Chrysler 8.75 in., Rear, Steel, 41, 42, 89 Housings, Chrysler, Plymouth, Dodge, Each

Part Number: SPZ-59027

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Estimated Ship Date: Aug 19, 2025 if ordered today

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USA Standard Master Overhaul kit Dana 44 differential, 30 spline, rear axle

Part Number: SPZ-37015

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Estimated Ship Date: Aug 20, 2025 if ordered today

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USA Standard Master Overhaul kit for 2011 & up GM & Chrysler 11.5" AAM differential

Part Number: SPZ-37074

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Estimated Ship Date: Aug 19, 2025 if ordered today

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USA Standard Master Overhaul kit for the Ford 9" LM501310 differential

Part Number: SPZ-37035

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Estimated Ship Date: Aug 18, 2025 if ordered today

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USA Standard steel spool for Dana 44 with 30 spline axles, 3.73 & down

Part Number: SPZ-59013

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Estimated Ship Date: Aug 19, 2025 if ordered today

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USA Standard Gear standard spider gear set for Ford 9.75"

Part Number: SPZ-39019

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 19, 2025 if ordered today

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Ring and Pinion Gears, 3.70:1 Ratio, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36137

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Estimated Ship Date: Aug 20, 2025 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 26-spline, Reverse Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36065

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Estimated Ship Date: Monday 8/4/2025

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Spartan Differential Locker, Ford 8.8 in., 31-spline Axle, Ford, Each

Part Number: SPZ-17005

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Aug 19, 2025 if ordered today

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USA Standard Master Overhaul kit for the Ford 10.25 differential

Part Number: SPZ-37026

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Estimated Ship Date: Aug 19, 2025 if ordered today

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Axle Shaft, 30-spline, 30.375 in. Length, Rear, GM 8.5 in., GM 8.6 in., Chevy, Each

Part Number: SPZ-35107

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 20, 2025 if ordered today

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4340 Chromoly axle shaft, left hand inner for '79-'87 GM, 35.46", uses 5-760X u/joint

Part Number: SPZ-35088

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Estimated Ship Date: Aug 20, 2025 if ordered today

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USA Standard Master Overhaul kit Ford, 10.5 in., Rear, Kit

Part Number: SPZ-37085

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 19, 2025 if ordered today

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Ring and Pinion Gears, 3.55:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 9.25 in., Set

Part Number: SPZ-36018

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Estimated Ship Date: Aug 19, 2025 if ordered today

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Ring and Pinion Gears, 3.50:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36135

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Estimated Ship Date: Aug 13, 2025 if ordered today

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USA Standard Master Overhaul kit for the Ford 9" LM102910 differential, w/ solid spacer

Part Number: SPZ-37034

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Estimated Ship Date: Aug 19, 2025 if ordered today

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Axle Shaft, 30-Spline, 30.125 in. Length, Rear, Chevy, GMC, Each

Part Number: SPZ-35058

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Estimated Ship Date: Monday 8/4/2025

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Gear, Ring and Pinion, 3.73:1, Toyota, 8 in., Set

Part Number: SPZ-36316

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Estimated Ship Date: Sep 9, 2025 if ordered today

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USA Standard Master Overhaul kit, GM 9.5 in., Kit

Part Number: SPZ-37118

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Estimated Ship Date: Monday 8/4/2025

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Ring and Pinion Gears, 3.42:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36196

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Estimated Ship Date: Aug 20, 2025 if ordered today

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USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.11 ratio

Part Number: SPZ-36178

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Estimated Ship Date: Aug 20, 2025 if ordered today

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USA Standard Master Overhaul kit for the Ford 9" LM603011 differential w/ Daytona pinion support

Part Number: SPZ-37039

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Estimated Ship Date: Aug 20, 2025 if ordered today

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