BUICK Transmission & Drivetrain

Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12607

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Differential, Lock-Right, Locker, 26-Spline, GM, 7.5 in., Each

Part Number: PWT-1930-LR

4.75 out of 5 stars ( 8 )

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Differential, Auburn, Grip-N-Loc, Limited Slip, 28-Spline, Buick, Oldsmobile, Pontiac, 8.2 in., Each

Part Number: AUB-546060

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Clutch Kit, II, Performance, Single Disc, 26-Spline, 1.125 in. Diameter, 10.400 in. Disc Diameter, Organic, Full Face, Sprung Hub, Kit

Part Number: CTF-KCFT613916

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Clutch Kit, DFX, Performance, Single Disc, 26-Spline, 1.125 in. Diameter, 11 in. Disc Diameter, Cerametallic, 6-Paddle, Sprung Hub, Kit

Part Number: CTF-315148552

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, 2,400 rpm Advertised Flash Stall, TH400, Each

Part Number: HAY-97-1D24Q

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Flywheels, Billet Aluminum, 168-tooth, 14 lbs., Internal Engine Balance, SFI 1.1, Chevy, Each

Part Number: HAY-20-130HYS

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12622

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Hydraulic Clutch Kit 1968 1972 Buick Olds Pontiac A Body with Tremec TKO TKX

Part Number: IST-HGA2BOPTKX

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Estimated Ship Date: Mar 9, 2026 if ordered today

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

Part Number: MGR-G885273

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10693

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-410

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Ring and Pinion Gear, 2.73:1 Ratio, GM 8.5/8.6, 10 Bolt Cover, 30 Spline, 10 Ring Gear Bolts, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Set

Part Number: YGA-24490

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Axle Housing, Circle Track, Grand National, Ford 9 in., Fabricated, Mild Steel, 60 in Length, Each

Part Number: PE2-HNM300300

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Hydraulic Throwout Bearing Conversion Kits, Hydramax Hydraulic Clutch Release Systems, Pedal Kit Only, Does Not Include Throwout Bearing, Buick, Kit

Part Number: AWR-CAGM40010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 2, 2026 if ordered today

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Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, TH350, 2,800 rpm Advertised Flash Stall, Each

Part Number: HAY-97-1B28Q

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Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Transmission Clutch Kit, Dual Friction(R), Clutch Kit

Part Number: CTF-KDF713916

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Clutch Kit, DFX, Performance, Single Disc, 10-Spline, 1.125 in. Diameter, 11 in. Disc Diameter, Cerametallic, 6-Paddle, Sprung Hub, Kit

Part Number: CTF-315735552

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.23 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10691

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Gear, Ring and Pinion, 5.57:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901751

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Torque Converter, Street Rod, 2,000 RPM Stall, Buick, Pontiac, Oldsmobile, TH400, Heavy Duty Sprag, Each

Part Number: HUP-GM20HD400BP

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Ring and Pinion Gear, 4.30:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36217

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 10.5 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1100

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Estimated Ship Date: Feb 24, 2026 if ordered today

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