1966 OLDSMOBILE Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Powertrax Differential Carrier Replacement Parts 8011001ZAT

Spring, SPRING,COMPRSN, .25D,250 LB/IN

Part Number: PWT-8011001ZAT

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 8021001ZBG

Spring, SPRING,COMPRSN,15 LB/IN,IN, NS

Part Number: PWT-8021001ZBG

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 8031001ZAV

Spring, SPRING,COMPRSN, 500 LB/IN,OUTR

Part Number: PWT-8031001ZAV

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Powertrax Replacement Couplers 5201001CJR

COUPLER

Part Number: PWT-5201001CJR

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Powertrax Replacement Couplers 5201133CIS

COUPLER ASSEMBLY

Part Number: PWT-5201133CIS

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Powertrax Replacement Active Spacers 6241066SEG

SPACER

Part Number: PWT-6241066SEG

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Motive Gear Differential Pinion Gears 3880140

GEAR PINION 12 BOLT 8 7/8

Part Number: MGR-3880140

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Richmond Gear EXCel Mini Spools XL-5145

Mini Spool, MINI SPOOL GM 12 BOLT CAR

Part Number: RMG-XL-5145

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Shiftworks Shifter Conversion Kits for 1964-1966 CUTLASS - SC2320

Shiftworks Shifter Conversion Kits for 1964-1966 CUTLASS - SC2320

Factory Shifter Conversion, 30 in. Cable, TH350, TH400, Oldsmobile, Kit

Part Number: SIW-SC2320

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Shiftworks Shifter Conversion Kits for 1964-1968 CUTLASS - SC2323

Factory Shifter Conversion, 32 in. Cable, 4L80-E, Oldsmobile, Kit

Part Number: SIW-SC2323

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GA130TWAB

Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.00 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GA130TWAB

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GA135TEBB

Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GA135TEBB

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GA141TWAB

Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 4.11 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GA141TWAB

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPBLT-069

3/8 R/G BOLT WASHER, 12P, 12T, 8.2, BOP, CI VET, 55P

Part Number: YGA-33347

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

American Powertrain White Lightning Shifters SHWL-10100SR2

Shifter, White Lightning, Short Throw, Billet Aluminum, Tremec TKO 500/TKO 600, 2.250 in. Offset, Kit

Part Number: AWR-SHWL10100SR2

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits COGM-A1G

Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1964-67 GM A-Body, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-A1G

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Call to Order

American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits COGM-A1J

Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1964-67 GM A-Body, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-A1J

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Call to Order

American Powertrain Science Friction 166-Tooth Flywheel FWOL-10002

Flywheel, Science Friction, Billet Steel, 166-Tooth, 13.90 in., Oldsmobile, 330/400/425 C.I.D., Each

Part Number: AWR-FWOL10002

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Hughes Performance Street and Strip Transmissions 35-1B

Automatic Transmission, Reverse Shift Pattern, Automatic Valve Body, Buick, Oldsmobile, Pontiac, TH350, BOP, Each

Part Number: HUP-35-1B

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

RAM Concept 10.5 Dual-Disc Metallic Clutch Kits 50-2122N

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

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

USA Standard Gear Manual Transmission Replacement Parts ZMMUNPR707A

Manual Transmission Shaft Nut, Manual Transmission Input Shaft Nut

Part Number: SPZ-ZMMUNPR707A

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

McLeod RXT 1200 Clutch Kits 6923-04HD

Clutch Kit, RXT 1200, 1.125 in. - 10-spline, Ceramic Disc, Pressure Plate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: MCL-6923-04HD

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

TCI Competition Transmissions 212300

Automatic Transmission, Remanufactured, Reverse Shift Pattern, Manual Valve Body, Buick, Oldsmobile, Pontiac, TH400, Each

Part Number: TCI-212300

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

TCI Automatic Transmission Clutch Steels 224512

TH400 INT STEEL .063" (5)

Part Number: TCI-224512

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

TCI Automatic Transmission Clutch Steels 224712

TH400 FWD KOL .063" (7)

Part Number: TCI-224712

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today