Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
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
Ring and Pinion Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36218
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Spartan Differential Locker, GM 8.5 in., 28-spline Axle, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each
Part Number: SPZ-17040
Estimated Ship Date: Today
Estimated Ship Date: Today
USA Standard Master Overhaul kit GM 8.5 in., Rear, Kit
Part Number: SPZ-37057
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 Gear, 3.08:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36211
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set
Part Number: SPZ-36197
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Richmond Gear EXCel Ring and Pinion Sets GM75373OE GM 7.5/7.625 in. 3.73 Gears
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
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
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Ring and Pinion Gears, 3.42:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set
Part Number: SPZ-36195
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each
Part Number: SPZ-17041
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
USA Standard Ring & Pinion gear set for GM 7.5" in a 2.73 ratio
Part Number: SPZ-36192
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered 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: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears
Estimated Ship Date: Today
Ring and Pinion Gear, 4.30:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36217
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
Ring and Pinion Gears, 3.42:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set
Part Number: SPZ-36196
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set
Part Number: SPZ-36212
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 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: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
Ring and Pinion Gears, 4.11:1 Ratio, 10-bolt, 27-spline, Standard Gear Rotation, GM, 7.5 in., Set
Part Number: SPZ-36199
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Ring and Pinion Gear, 3.90:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36215
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Ring and Pinion Gear, 4.88:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36219
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
Ring and Pinion Gear, 5.13:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36220
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
8.5" GM PINION KIT, KOYO BRGS
Part Number: SPZ-60012
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Ring and Pinion Gears, GM 7.5/7.6 in., 3.08:1 Ratio, 27-spline, Standard Rotation, GM 7.5/7.6 in., Buick, Chevy, GMC, Hummer, Isuzu, Pontiac, Set
Part Number: SPZ-36193
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
USA Standard Ring & Pinion "thick" gear set for GM 7.5" in a 4.11 ratio
Part Number: SPZ-36200
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
Ring and Pinion Gears, 3.23:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set
Part Number: SPZ-36194
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
