Availability
USA Standard Master Overhaul kit GM 8.5 in., Rear, Kit
Part Number: SPZ-37057
Estimated Ship Date: Today
Estimated Ship Date: Today
Spool, Mini, Steel, 30-spline, 10-bolt, GM 8.5 in., Each
Part Number: YGA-32233
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36214
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set
Part Number: SPZ-36213
Not Yet Reviewed
Estimated Ship Date: Dec 4, 2025 if ordered today
Estimated Ship Date: Dec 4, 2025 if ordered today
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Estimated Ship Date: Today
Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36216
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Bearing and Seal, Muncie-4 Transmission Bearing/Seal Kit w/Synchro Rings Buick/Chevy/Oldsmobile/Pontiac/Bizzarrini Cars
Part Number: SPZ-72143
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Shifter Conversion Kit, Shifter Cable Bracket, 30 in. Cable, TH200-4R, TH700-R4, 4L60E, 4L70E, 4L80E, Oldsmobile, Each
Part Number: SIW-C371
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Manual Transmission Rebuild Kit, Muncie HD Four Speed, Includes Syncro Rings, 26-Spline, 1 in. Countershaft, Muncie M-21, M-22, Kit
Part Number: SPZ-74207
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Shifter Conversion Kit, 1967-72 Cutlass Factory Shifter Conversion Kit 4L80E
Part Number: SIW-SC2313
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Ring and Pinion Installation Kit, GM 8.2 in. BOP Axle, Rear, Kit
Part Number: SPZ-37054
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Ring and Pinion Gear Installation Kit, Master Overhaul, 27 Spline, GM 7.5/7.6 in., Kit
Part Number: YGA-14077
Estimated Ship Date: Today
Estimated Ship Date: Today
Spider Gear Kit, Open Differential, G7.625 in., 28 Spline, Kit
Part Number: YGA-16049
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, 28-spline, 10-bolt, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit
Part Number: SPZ-39026
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission Bearing and Seal Overhaul Kit, Manual Transmission Bearing and Seal Overhaul Kit
Part Number: SPZ-ZMBK116HD
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Spider Gears, Side Gears, Cross Pin Shaft, Roll Pin, 28 Spline, Posi, Rear, GM 7.5 in., GM 7.625 in., Kit
Part Number: YGA-16117
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Axle Shaft, 26-Spline, 28.438 in. Length, Rear, Buick, Chevy, Oldsmobile, Each
Part Number: SPZ-35059
Estimated Ship Date: Today
Estimated Ship Date: Today
Flexplate, 153 Tooth, Internal Balance, 2-Piece Rear Main Seal, Steel, Chevy, Each
Part Number: QTI-RM-920
Not Yet Reviewed
Estimated Ship Date: Dec 4, 2025 if ordered today
Estimated Ship Date: Dec 4, 2025 if ordered today
Yoke, 27-spline Inner, Cast Steel, 3.500 in. Overall Length, Rear, GM 7.5 in., GM 7.625 in., Each
Part Number: YGA-41090
Estimated Ship Date: Today
Estimated Ship Date: Today
Flexplate, 153 Tooth, Internal Balance, 1-Piece Rear Main Seal, Steel, Chevy, Each
Part Number: QTI-RM-925
Not Yet Reviewed
Estimated Ship Date: Dec 4, 2025 if ordered today
Estimated Ship Date: Dec 4, 2025 if ordered today
Factory Shifter Conversion, 30 in. Cable, 4L70, 200-4R, 700-R4, Oldsmobile, Kit
Part Number: SIW-SC2322
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Differential Clutch, Dura-Grip Composite Clutch Pack, Rear, GM, 7.5/7.625 in., Set
Part Number: YGA-16119
Not Yet Reviewed
Estimated Ship Date: Dec 19, 2025 if ordered today
Estimated Ship Date: Dec 19, 2025 if ordered today
Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, Large Journal, GM 8.5 in., Kit
Part Number: YGA-11069
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.5 in., Kit
Part Number: YGA-11067
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Mini Spool, Steel, 28-spline, 10-bolt, GM 8.5 in., Each
Part Number: YGA-32232
Estimated Ship Date: Dec 19, 2025 if ordered today
Estimated Ship Date: Dec 19, 2025 if ordered today
USA Standard Gear standard spider gear set for GM 7.5", 26 spline
Part Number: SPZ-39023
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
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