1980 PONTIAC FIREBIRD Transmission & Drivetrain

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: Dec 12, 2025 if ordered today

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SPRING AND PIN KIT

Part Number: SPZ-17011

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Estimated Ship Date: Dec 12, 2025 if ordered today

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USA Standard Ring & Pinion "thick" gear set for GM 7.5" in a 3.73 ratio

Part Number: SPZ-36198

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Crate Axle, 70-81 GM Camaro/F-Body Centurion 9-Inch, Black PC, 31-Spline, 3.00 Ratio, Helical Limited Slip, 11" Explorer Disc Staggered

Part Number: CUR-CR-GF330TESB

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Estimated Ship Date: Dec 22, 2025 if ordered today

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70-81 GM Camaro/Firebird 9-Inch Crate, Black PC, 31-Spline Axle, 3.00 Ratio, Helical Worm Gear Differential, No Brakes

Part Number: CUR-CR-GF330TNBB

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crate Axle, 70-81 GM Camaro/F-Body Centurion 9-Inch, Black PC, 31-Spline, 3.00 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GF330TWAB

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Estimated Ship Date: Dec 22, 2025 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: Dec 22, 2025 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, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GF335TWAB

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crate Axle, 70-81 GM Camaro/F-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, 11" Explorer Disc Staggered

Part Number: CUR-CR-GF337TESB

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crate Axle, 70-81 GM Camaro/F-Body Centurion 9-Inch, Black PC, 31-Spline, 4.11 Ratio, Helical Limited Slip, 11" Explorer Disc Staggered

Part Number: CUR-CR-GF341TESB

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gear Installation Kit, Minimum Install, 27-spline, Standard Rotation, Rear, GM 7.5 in., GM 7.625 in., Kit

Part Number: YGA-12050

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Yukon 1541H alloy rear axle for 8.2" and 8.5" GM passenger

Part Number: YGA-21243

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Estimated Ship Date: Dec 26, 2025 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: Dec 26, 2025 if ordered today

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Clutch Disc, DFX, Sprung Hub, Cerametallic, 10.4 in. diameter, Buick, Chevrolet, Mopar, Each

Part Number: CTF-323384161

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Clutch Disc, Carbon Composite, 1 1/8 in.- 10-Spline, 10.4 in. Disc, AMC, GM, Each

Part Number: CTF-LM383271

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Pressure Plate, DFX Series, Performance, Diaphragm, 10.400 in. Disc Diameter, Each

Part Number: CTF-311361739

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Estimated Ship Date: Dec 16, 2025 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: Dec 11, 2025 if ordered today

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Mini spool for GM 7.5" with 26 spline axles

Part Number: YGA-32228

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Estimated Ship Date: Dec 29, 2025 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: Dec 29, 2025 if ordered today

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Differential Cover, 10-bolt, Steel, Natural, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32331

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Posi spring kit for GM 7.5", with preload plates

Part Number: YGA-33206

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Estimated Ship Date: Dec 29, 2025 if ordered today

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7.5 GM STD S/G T/W

Part Number: YGA-33389

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Estimated Ship Date: Dec 29, 2025 if ordered today

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High performance Yukon Ring & Pinion "thick" gear set for GM 7.5" in a 4.11 ratio

Part Number: YGA-24481

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Clutch Kit, Concept 10.5 Dual-Disc, 1.125 in. - 10-spline, 10.500 in. Diameter Metallic Disc, for Flat 153-tooth Flywheels, AMC, Chevy, GMC, Kit

Part Number: RAM-50-2122N

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Clutch Z-Bar Bracket, Mechanical Clutch, Steel, Black, Chevy, Pontiac, Each

Part Number: ART-11179511

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Estimated Ship Date: Dec 15, 2025 if ordered today

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