Availability
1973 PONTIAC FIREBIRD Transmission & Drivetrain
Ring and Pinion Gears and Installation Kit, 8.5" GM 3.90 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12623
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Axle Shaft, Direct Fit, 1541H Alloy Steel, 28-Spline, 30.125 in. Length, Chevy, Pontiac, Each
Part Number: MGR-MG27122
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Overhaul Kit
Part Number: PIO-750001
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
OVERHAUL KIT
Part Number: PIO-750004
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Shifter Replacement Parts, Shift Plate Pattern Inset, Overdrive, Chevy, Pontiac, Each
Part Number: OPS-TSS69
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
8.5" GM 28spl MINI SPOOL
Part Number: SPZ-59011
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Clutch Kit, RXT, 1 1/8 in. x 10-Spline, 9.688 in. Diameter Disc, Chevy, V8, Kit
Part Number: MCL-6923-04
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Clutch Disc, Organic, 1 1/8 in. 26-Spline, 12.00 in. Disc, Chevy, Oldsmobile, Pontiac, Reverse Hub, Each
Part Number: MCL-260173R
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Clutch Disc, 600-Series, Ceramic, 1.125 in.- 10 Spline, 10.5 in. Diameter, Each
Part Number: MCL-260640
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
CASE, TH-400 REID SFI
Part Number: TCI-210002
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
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: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Gear, Ring and Pinion, 2.73:1, GM, 8.5 in., 8.6 in., Set
Part Number: SPZ-36346
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
TH400 INT STEEL .063" (5)
Part Number: TCI-224512
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
TH400 FWD KOL .063" (7)
Part Number: TCI-224712
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
PINION YOKE
Part Number: SDH-10025466
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Manual Transmission Shaft Nut, Manual Transmission Input Shaft Nut
Part Number: SPZ-ZMMUNPR707A
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 8.5" GM 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12624
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 8.5" GM 4.56 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12631
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Performance Mini Spool (GM 8.5 - 28 Spline)
Part Number: SDH-10015373
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
OVERHAUL KIT
Part Number: PIO-750043
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
MODULATOR
Part Number: PIO-747001
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
MODULATOR
Part Number: PIO-747016
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
MODULATOR
Part Number: PIO-747024
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
OVERHAUL KIT
Part Number: PIO-750041
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
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