1978 PONTIAC FIREBIRD Transmission & Drivetrain

AT HD FLEX PLATE

Part Number: ATP-Z460

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Estimated Ship Date: Sep 30, 2025 if ordered today

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Clutch Disc, Race, Ceramic, 1.125 in.- 10-Spline, 10.472 in. Disc, Chevy, Jeep, Pontiac, Each

Part Number: ACL-6266302

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Estimated Ship Date: Sep 24, 2025 if ordered today

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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: Sep 29, 2025 if ordered today

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TH350 BOP SF/SNS TRANS PACKAGE

Part Number: TCI-311100P1

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Ring and Pinion Gears, 4.56:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36201

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Performance Mini Spool (GM 7.5 - 26 Spine)

Part Number: SDH-10015364

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Performance Mini Spool (GM 8.5 - 28 Spline)

Part Number: SDH-10015373

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Differential Ring and Pinion; GM 7.5 - 2.73 Ratio

Part Number: SVL-10004593

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Estimated Ship Date: Sep 24, 2025 if ordered today

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Shifter, White Lightning, Short Throw, Billet Aluminum, Magnum T-56, Kit

Part Number: AWR-SHWL20100SR4

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1975-81 GM F-Body, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-F3G

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1975-81 GM F-Body, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-F3J

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Yukon Ring & Pinion sets

Part Number: YGA-24671

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Clutch Kit, 10.500 in. Diameter, Heavy Duty, Street, Race, Buick, Chevy, Kit

Part Number: ACL-GM3-HDSS

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Estimated Ship Date: Sep 24, 2025 if ordered today

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PINION YOKE

Part Number: SDH-10025466

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Axle Shaft, Direct Fit, 1541H Alloy Steel, 28-Spline, 30.125 in. Length, Chevy, Pontiac, Each

Part Number: MGR-MG27122

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Estimated Ship Date: Sep 30, 2025 if ordered today

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Wheel Bearing, C-Tek Standard, GM Metric-style, Each

Part Number: CEB-413-64000E

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Estimated Ship Date: Oct 7, 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: Oct 13, 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: Oct 13, 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: Oct 13, 2025 if ordered today

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