1978 PONTIAC FIREBIRD Transmission & Drivetrain

Spider Gear Kit, Open, 26 Spline, Rear, GM 7.5 in., GM 7.6 in., Kit

Part Number: YGA-16048

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Clutch Kit, Organic, 1 1/8 in.- 26-Spline, 10.4 in. Disc, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: ZZZ-MU1675-1A

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Jan 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Kickdown Cable, Midnight Series Hi-Tech, Black Braided Stainless Steel, Black Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-XKD-2350BLD

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Crosspin Shaft, Steel, Each

Part Number: YGA-33404

Not Yet Reviewed

Estimated Ship Date: Nov 7, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: SPZ-58011

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

WASHER PIN 8.5 GM 10 BOLT

Part Number: MGR-3984818

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Oct 30, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

7.5" & 7.625" GM EATON POSI SHIM KIT

Part Number: YGA-16047

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Special Order

Clutch Kit, Organic, 1 1/8 in. Diameter Shaft, 10-Spline, 10.4 in. Diameter Disc, GM, Circle Track, Kit

Part Number: ZZZ-30043

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Control Solenoids, Replacement, Avanti, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-SE-1

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Drop Ship
• Special Order

Wheel Seal, Front, 2.405 in. OD, 1.734 in. ID, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: LEB-OILSEAL-1

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Special Order

Axle Shaft Retainer

Part Number: MGR-3833322

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2025 if ordered today

• Drop Ship
• Special Order

Thrust Washer, Open Differential, GM 7.5 in./7.6 in., Each

Part Number: YGA-33390

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Oct 28, 2025 if ordered today

• Drop Ship
• Special Order

RING GEAR BOLT EACH

Part Number: MGR-PB179-2-L

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

• Drop Ship
• Special Order

TH350 DIR/FOR STEEL .068 (11)

Part Number: TCI-324002

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Drop Ship
• Special Order

Lockwasher, LOCKWASHER 7/16" C9.25/F7.5

Part Number: MGR-RGB4-LW

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

• Drop Ship
• Special Order

Differential Ring Gear Spacer, Ring Gear Spacer

Part Number: MGR-085050C

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

• Drop Ship
• Special Order

TH350 DIR/FOR KOLENE .068 (1)

Part Number: TCI-324003

Not Yet Reviewed

Estimated Ship Date: Today

Differential Inner Gear Kit; GM 8.5 - 30 Spline, Dura Grip or Eaton Positraction

Part Number: SVL-10028814

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Clutch Disc, Organic, 1 3/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, Chevy, GMC/Pontiac, Each

Part Number: RAM-311

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Installation Kit, Master Overhaul, GM 7.5 in., Kit

Part Number: YGA-14076

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Differential Ring And Pinion Set

Part Number: RNB-697-300

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit

Part Number: RNB-697-100

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Flywheel, Aluminum, 13.5 lbs., Chevy, Each

Part Number: FIZ-198681

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping