1973 PONTIAC FIREBIRD Differential & Rear-End Components

Thrust Washer, Open Differential, GM 8.5 in., Each

Part Number: YGA-33304

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Differential, Grip LS Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-LS201028

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Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885513

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Ford 9 in. Axle Shafts, 1970-81 Camaro/Firebird,Torino Flange, 1/2 in. -20 Studs, Pair

Part Number: DSR-070905DS

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Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races

Part Number: RMG-29-0013-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 3, 2026 if ordered today

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Differential Carrier Gear Kit

Part Number: RMG-XL-4048

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Ring and Pinion Gear Installation Kit, 10-Bolt, 30 Pinion Spline Count, Gear Rotation Standard, Chevy, GMC, Buick, Pontiac, Oldsmobile, Cadillac, Kit

Part Number: ALY-352021

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 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 AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12625

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Crate Axle, 70-81 GM Camaro/F-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, 11" Explorer Disc Staggered

Part Number: CUR-CR-GF335TESB

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Estimated Ship Date: Apr 22, 2026 if ordered today

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SPRING AND PIN KIT

Part Number: SPZ-17011

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Gear, Ring and Pinion, 2.73:1, GM, 8.5 in., 8.6 in., Set

Part Number: SPZ-36346

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Ring and Pinion Installation Kit, Super Kit, GM, 8.5 in., Kit

Part Number: MGR-R10RSK

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Yukon steel spool for GM 8.5" & 8.6" with 30 spline axles

Part Number: YGA-32193

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12620

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.5/8.625 in., Set

Part Number: RNB-697-301

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Spring, SPRING,COMPRSN, 500 LB/IN,OUTR

Part Number: PWT-8031001ZAV

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Estimated Ship Date: May 4, 2026 if ordered today

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Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: SPZ-36221

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Axle Assemblies, Ford 9 in., Satin Black, 56 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy, Pontiac, Kit

Part Number: ART-11179683

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Estimated Ship Date: Apr 6, 2026 if ordered today

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70-81 GM Camaro/Firebird 9-Inch Crate, Black PC, 31-Spline Axle, 4.11 Ratio, Helical Worm Gear Differential, No Brakes

Part Number: CUR-CR-GF341TNBB

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Ring and Pinion Gear, 5.13:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36220

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Ring and Pinion Gears, 5.13:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: YGA-24163

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Mini Spool, MINI SPOOL GM 10 BOLT 8.5"

Part Number: RMG-XL-5140

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Spring, SPRING,COMPRSN,15 LB/IN,IN, NS

Part Number: PWT-8021001ZBG

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Estimated Ship Date: May 4, 2026 if ordered today

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COUPLER

Part Number: PWT-5201004CJY

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Estimated Ship Date: May 4, 2026 if ordered today

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