Availability
BUICK Transmission & Drivetrain
Full Size Spool, GM 8.5 in. 10 Bolt, 33 Spline, C-Clip Elim.Req'd., Steel
Part Number: RMG-81-1033-1
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Clutch Bellcrank, Steel, Black, Buick, Chevy, Oldsmobile, Pontiac, Factory 4-Speed, Each
Part Number: OPG-PZ00807
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC456
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
DIFFERENTIAL ASM
Part Number: ADO-42550054
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Torque Converters, Twister Full Race, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each
Part Number: HAY-97-1D32F
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Ring and Pinion Installation Kit, Super Kit, GM, 7.5 in., Kit
Part Number: MGR-GM7-5IK
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Transmission Pan, Deep Style, Aluminum, Natural, Drain Plug, 700R4, Buick, Chevy, GMC, Olds, Pontiac, Kit
Part Number: STF-4001
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Kit
Part Number: RMG-GM75355TK
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Wheel Hub Dust Cap, Steel, Zinc Plated, 2.060 in. o.d., Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: RSD-DC02
Estimated Ship Date: Today
Estimated Ship Date: Today
Shift Kit, Filter, Gaskets, for TH350 or TH350C, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Kit
Part Number: ATP-SK1
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Bearing Race, Steel, Each
Part Number: NTL-M88010
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Differential, Eaton Detroit Locker, 28-Spline, GM, 8.5 in., 3-Series, Each
Part Number: ETN-187C149A
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converters, Twister Full Race, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each
Part Number: HAY-97-1D28F
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Wheel bearing and hub assembly, X-Tracker design
Part Number: SKF-BR930777
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, 700R4, Kit
Part Number: LOK-KD-2700BLD
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Differential Ring and Pinion; GM 12 Bolt 8.875 - 3.90 Ratio
Part Number: SVL-2023893
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Ring and Pinion Kit
Part Number: RMG-XL-1040-1
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Differential, Eaton Detroit Locker, 26-Spline, GM, 7.5 in., Each
Part Number: ETN-162C58A
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, Pontiac, LS1 Engine from 1997 to 2003 with a 4L60E, 4L65E, Each
Part Number: BMM-70442
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 26-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Pontiac
Part Number: HAY-92-1005
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Shifters, Automatic Transmission, ATI Automatic Transmission Shifters, 5 ft. Cable Length, Forward Pattern, Buick, Chevy, GMC, Olds, Pontiac, Each
Part Number: ATI-800130A
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
8.5" GM PINION KIT, KOYO BRGS
Part Number: SPZ-60012
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, 200-4R, Each
Part Number: LOK-TD3200RTM
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
U-Joint Straps, Mechanics 3R Style, Differential Location, GM 7.5 in., GM 7.625 in., GM 8.5 in., Each
Part Number: YGA-41201
Estimated Ship Date: Today
Estimated Ship Date: Today
Throwout Bearing Conversion, Hydraulic, Hydramax, Chevrolet, Buick, Pontiac, Oldsmobile, Kit
Part Number: AWR-HMGM40022
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster