Availability
Axle Shaft, 28-spline, 29.875 in. Length, Rear, GM 8.2 in., BOP Axle, Pontiac, Each
Part Number: SPZ-35060
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Spartan Differential Locker, Dana 30, 27-spline Axle, Jeep, Ford, International, Each
Part Number: SPZ-17000
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Ring and Pinion Gears, 3.54:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set
Part Number: SPZ-36073
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Rear, Chevrolet, GMC, Set
Part Number: SPZ-36182
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Ring and Pinion Gears, 3.25:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set
Part Number: SPZ-36134
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set
Part Number: SPZ-36045
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
USA Standard Master Overhaul kit Dana 80, Rear, Kit
Part Number: SPZ-37078
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36214
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Ring and Pinion Gears, Ford 7.5 in., 3.73:1 Ratio, 28-spline, Standard Rotation, Ford 7.5 in., Rear, Ford, Lincoln, Mazda, Mercury, Set
Part Number: SPZ-36114
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
USA Standard Master Overhaul kit Chrysler, 9.25 in. ZF, Kit
Part Number: SPZ-37116
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Spartan Differential Locker, GM 8.5 in., 28-spline Axle, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each
Part Number: SPZ-17040
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
Ring and Pinion Gears, 4.11:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set
Part Number: SPZ-36041
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Differential Rebuild Kits, USA Standard Master Overhaul kit for '15 & up Mustang and F150
Part Number: SPZ-37153
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Differential Carrier, Spartan Helical Gear Limited Slip, Dana 30, Front, 27 Spline, 3.73 and Up Ratio, Each
Part Number: SPZ-10383
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Differential Carrier Rebuild Kits and Spider Gears, Ford 8.8 in., Side Gears, Rear, Limited Slip, Traction Loc, 31-spline, 10-bolt, Ford, Lincoln, Kit
Part Number: SPZ-39032
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Reverse Rotation, Chrysler 9.25 in., Dodge, Ram, Front, Set
Part Number: SPZ-36371
Not Yet Reviewed
Estimated Ship Date: Aug 19, 2025 if ordered today
Estimated Ship Date: Aug 19, 2025 if ordered today
USA Standard Master Overhaul kit for the Ford 9" LM102910 differential
Part Number: SPZ-37033
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Ring and Pinion Gears, 4.11:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 9.25 in., Set
Part Number: SPZ-36020
Not Yet Reviewed
Estimated Ship Date: Aug 18, 2025 if ordered today
Estimated Ship Date: Aug 18, 2025 if ordered today
Spartan Differential Locker, Dana 44, 30-spline Axle, Jeep, Ford, Dodge, International, Isuzu, Each
Part Number: SPZ-17001
Estimated Ship Date: Aug 21, 2025 if ordered today
Estimated Ship Date: Aug 21, 2025 if ordered today
RING AND PINION GEARS, USA Standard ring & pinion sets
Part Number: SPZ-36329
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
Spartan Differential Locker, Dana 60, 35-spline Axle, Ford, Chevy, Dodge, GMC, Plymouth, Each
Part Number: SPZ-17004
Estimated Ship Date: Aug 19, 2025 if ordered today
Estimated Ship Date: Aug 19, 2025 if ordered today
Gear, Ring and Pinion, 3.36:1 Ratio, GM 8.2 in., Set
Part Number: SPZ-36203
Not Yet Reviewed
Estimated Ship Date: Aug 20, 2025 if ordered today
Estimated Ship Date: Aug 20, 2025 if ordered today
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offe
Part Number: SPZ-36312
Not Yet Reviewed
Estimated Ship Date: Aug 19, 2025 if ordered today
Estimated Ship Date: Aug 19, 2025 if ordered today
Ring and Pinion Gear Installation Kits, Master Overhaul Kits, 29-spline, Dana 60, Rear, Chevrolet, Dodge, Ford, GMC, Jeep, Plymouth, Kit
Part Number: SPZ-37021
Not Yet Reviewed
Estimated Ship Date: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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: Monday 8/4/2025
Estimated Ship Date: Monday 8/4/2025
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