1978 PONTIAC FIREBIRD Transmission & Drivetrain

Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: YGA-24480

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears and Installation Kit, 8.5" GM 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12630

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pressure Plate, Centerforce I, Diaphragm-Style, 10.4 in. Disc Diameter, Each

Part Number: CTF-CF361739

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Axle Shaft, Rear, C-Clip, 1541H Alloy, 28 Spline, 30.125 in. Length, GM 8.2/8.5 in., Chevy, Each

Part Number: YGA-21244

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears and Installation Kit, 8.5" GM 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12626

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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-36195

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Axle Shaft, 28-Spline, 30.125 in. Length, Chevy, Each

Part Number: YGA-21242

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Steel Plates Powerglide Reverse .070 (6 ea.) Kolene-Treated

Part Number: TCI-724102

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Special Order

Transmission Bracket, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: BMM-30499

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

Pressure Plate, Centerforce I, Diaphragm, 10.4 in. Disc Diameter, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: CTF-CF361675

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Wheel Bearing Spacer, Low Drag, Bearing, Race, Seal, Strange Hub, Steel, Black, Chevrolet, Pontiac, Kit

Part Number: DPR-00710523SKBR

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24494

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SPZ-39023

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Transmission Filter Extension, Cast Aluminum, for BMM-30280/BMM-30289, Each

Part Number: BMM-30284

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

U-Joint Strap and Bolts, Each

Part Number: RNB-81001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Wheel Bearings, Premium Low Drag, Steel Roller Bearing, Front, Rear, Kit

Part Number: DPR-00710581

Not Yet Reviewed

Estimated Ship Date: Today

Neutral Safety Switch , Pivot, Manual Transmission, Plastic, Chevy, Pontiac, Each

Part Number: OPS-TSS49

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

CLUTCH DISC

Part Number: SXR-1878-654-416

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

• Drop Ship
• Special Order

Clutch Disc, DFX, Sprung Hub, Cerametallic, 10.4 in. diameter, AMC, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Car, Each

Part Number: CTF-323383271

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each

Part Number: MGR-085050

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

Crush Sleeve, Steel, 0.625 in. Tall, Each

Part Number: YGA-33110

Not Yet Reviewed

Estimated Ship Date: Today

Tapered Roller Bearing, 0.75 in. I.D., 1.781 in. O.D., Each

Part Number: FWB-103117

Not Yet Reviewed

Estimated Ship Date: Today

Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-11067

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Clutch Kit, Carbon Composite, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, GM, Kit

Part Number: CTF-LM148552

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Full Size Spool, GM 8.5 in. 10 Bolt, 33 Spline, C-Clip Elim.Req'd., Steel

Part Number: RMG-81-1033-1

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order