CHEVROLET 7.4L/454 Transmission & Drivetrain

This is a complete package that includes front & rear ring & pinion sets along with the most complete master o

Part Number: SPZ-40020

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Differential Carrier, Zip Locker, Air Locker Style, 30-spline, Dana 44, Each

Part Number: YGA-34018

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Zip Locker, Air Locker, Dana 44, 30 Spline, 3.92 Up Ratio, Each

Part Number: YGA-34020

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Zip Locker, Air Locker, Dana 60/61, 30 Spline, 4.10 Down Ratio, Each

Part Number: YGA-34021

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Zip Locker, Air Locker, Dana 60/61, 35 Spline, 4.10 Down Ratio, Each

Part Number: YGA-34022

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Zip Locker, Air Locker, Dana 60/61, 35 Spline, 4.56 Up Ratio, Each

Part Number: YGA-34024

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Estimated Ship Date: Dec 29, 2025 if ordered today

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This is a complete package that includes front & rear ring & pinion sets along with the most complete master o

Part Number: SPZ-40017

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Differential Carrier, Dura Grip Positraction, Clutch-type, 37-spline, Nodular Iron, Rear, Dana 80, Each

Part Number: YGA-26046

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Differential Carrier, Dura Grip Positraction, Clutch-type, 35-spline, Nodular Iron, Rear, Dana 80, Each

Part Number: YGA-26047

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Differential Carrier, Dura Grip Positraction, Clutch-type, 37-spline, Nodular Iron, Rear, Dana 80, Each

Part Number: YGA-26048

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Differential

Part Number: ETN-225SL105A

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Zip Locker, Air Locker, Dana 60/61 30 Spline, 4.56 Up Ratio, Each

Part Number: YGA-34023

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.90 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12629

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 4.56 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12631

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Estimated Ship Date: Dec 22, 2025 if ordered today

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D70HD 35spl 4.10 & DOWN DURAGRIP POSITRACTION

Part Number: YGA-12888

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-208

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-200

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-229

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Ring and Pinion Gears,Yukon Gear & Axle 11.25" Dana 80, Thin 3.73 Ratio Rear Ring & Pinion GearInstall Kit Package,

Part Number: YGA-10559

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-201

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Clutch Kit, Concept 10.5 Dual-Disc, 1.125 in. - 10-spline, 10.500 in. Diameter Metallic Disc, for Flat 153-tooth Flywheels, AMC, Chevy, GMC, Kit

Part Number: RAM-50-2122N

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Estimated Ship Date: Dec 8, 2025 if ordered today

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

Part Number: YGA-21326

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Carrier, Grip Lok, Mechanical Locker, 30 Spline, Dana 44, Rear, Each

Part Number: PWT-LK444430

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Estimated Ship Date: Dec 15, 2025 if ordered today

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• Mfr. Rebate

$55.00 Mail-In Rebate

Price after Manufacturer Rebate: $1,200.99

Rebate Expires: 12/31/2025

Get $55 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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Ring and Pinion Gears,Yukon Gear & Axle 11.25" Dana 80, 5.46 Ratio Rear Ring & Pinion GearInstall Kit Package,

Part Number: YGA-10562

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Gears,Yukon Gear & Axle 11.25" Dana 80, 4.88 Ratio Rear Ring & Pinion GearInstall Kit Package,

Part Number: YGA-10563

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Estimated Ship Date: Dec 29, 2025 if ordered today

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