USA Standard Gear Differential & Rear-End Components

Axle Shaft, 28-Spline, 29.156 in. Length, Driver Side Rear, Ford, Each

Part Number: SPZ-35007

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Estimated Ship Date: Dec 29, 2025 if ordered today

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USA Standard Master Overhaul kit for the 'Model 20 differential

Part Number: SPZ-37065

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AXLE SHAFTS, DIRECT FIT, USA Standard axle for '99-'04 Mustang, 31 spline, 5 lug, 30.75" long

Part Number: SPZ-35199

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Estimated Ship Date: Dec 29, 2025 if ordered today

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USA Standard Master Overhaul kit for the '99 and newer GM 8.25" IFS differential

Part Number: SPZ-37053

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Axle Shaft, C-clip, 28-spline, 32.000 in. Length, Rear, GM 7.5/GM 7.625 in., Chevy, Pontiac, Each

Part Number: SPZ-35037

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Axle, Direct Fit, Front Inner, 36.970 in. Length, 35 Spline, 4340 Chromoly, Each

Part Number: SPZ-35125

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Axle 12P GM REAR, '68-'72 CHEVELE & '70 CAMARO, 30-1/8", 30spl, 2.25" OD BRG(1563), 1 SIDE

Part Number: SPZ-11948

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4340 Chromoly Axle, '75-'79 Ford F250, LH inner, 30spl, uses 5-760X u/joint

Part Number: SPZ-35076

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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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Differential Carrier Rebuild Kits and Spider Gears, Ford 8/9 in., Side Gears, Rear, Open, 28-spline, Ford, Lincoln, Mercury, Kit

Part Number: SPZ-39017

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Axle Shaft, 30-Spline, 33.375 in. Length, Rear, Chevy, GMC, Each

Part Number: SPZ-35055

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Axle Shaft, C-clip, 31-spline, 34.375 in. Length, Rear, Ford 8.8 in., Ford, Lincoln, Mercury, Each

Part Number: SPZ-35031

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USA Standard Gear standard spider gear set for GM 7.5", 26 spline

Part Number: SPZ-39023

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Estimated Ship Date: Dec 29, 2025 if ordered today

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USA Standard Master Overhaul kit for the '63-'79 GM CI Corvette differential

Part Number: SPZ-37063

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Bearing kit for '00 & up GM 7.5" & 7.625" rear

Part Number: SPZ-58018

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Differential Carrier Gear Kit, USA Standard Gear standard spider gear set for '07 & up GM 8.6"

Part Number: SPZ-39036

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USA Standard Gear standard spider gear set for Ford 7.5"

Part Number: SPZ-39014

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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USA Standard Master Overhaul kit for the Ford 8" differential w/ HD posi

Part Number: SPZ-37029

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USA Standard Gear standard spider gear set for Ford 9", 31 spline, 4-pinion design

Part Number: SPZ-39018

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Axle Shaft, Rear, C-clip, 30-spline, 31.438 in. Length, GM 8.875 in. Truck, Chevy, GMC, Each

Part Number: SPZ-35112

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Estimated Ship Date: Dec 29, 2025 if ordered today

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9.25" CHY REAR PINION KIT, KOYO BRGS

Part Number: SPZ-60004

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Estimated Ship Date: Dec 29, 2025 if ordered today

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4340 Chromoly Axle, Bronco & F150 RH inner, 30 spl, uses 5-760X u/joint

Part Number: SPZ-35086

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Estimated Ship Date: Dec 29, 2025 if ordered today

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32.91" 30spl INNER LH AXLE D44 SCOUT 71-80

Part Number: SPZ-35114

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Estimated Ship Date: Dec 29, 2025 if ordered today

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USA Standard Master Overhaul kit Ford 8.8 in., Rear, Kit

Part Number: SPZ-37081

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Estimated Ship Date: Dec 29, 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: Dec 29, 2025 if ordered today

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