1980 PONTIAC FIREBIRD USA Standard Gear Parts and Accessories

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

Part Number: SPZ-37055

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36218

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Manual Transmission Rebuild Kits, Manual Transmission Bearing Kits, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SPZ-70267

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

USA Standard Master Overhaul kit GM 8.5 in., Rear, Kit

Part Number: SPZ-37057

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36214

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36216

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, 28-spline, 10-bolt, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SPZ-39026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: SPZ-35050

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 3.23:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36194

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA Standard Ring & Pinion "thick" gear set for GM 7.5" in a 4.11 ratio

Part Number: SPZ-36200

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 12, 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: Dec 12, 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

USA Standard Gear standard spider gear set for GM 8.5", 30 spline

Part Number: SPZ-39027

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gear, 4.88:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36219

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SPZ-36220

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA Standard Master Overhaul kit for the '81 & older GM 7.5" differential

Part Number: SPZ-37048

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SPZ-58011

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Axle 8.2" & 8.5" GM REAR, '68-'81 PASSSHAFT, 30-1/8", 2.780" SMALL HUB, 28spl, 1 SIDE

Part Number: SPZ-11951

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

8.5" GM REAR w/Aftermarket_AG-PRO,_YDG,_XHD-Std,_EATorDET BRG & SEAL KIT, KOYO BRGS

Part Number: SPZ-58050

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order