Availability
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: Today
Estimated Ship Date: Today
Differential Carrier, Power Lok, Positraction, Smooth Design, Chrysler 8.75 in., Rear, Steel, 41, 42, 89 Housings, Chrysler, Plymouth, Dodge, Each
Part Number: SPZ-59027
Not Yet Reviewed
Estimated Ship Date: Dec 4, 2025 if ordered today
Estimated Ship Date: Dec 4, 2025 if ordered today
Differential Carrier, Limited Slip, 31-Spline Axle, Oldsmobile, 8.5 in., Each
Part Number: SPZ-59006
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Today
Spartan Differential Locker, Dana 30, 27-spline Axle, Jeep, Ford, International, Each
Part Number: SPZ-17000
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, GM 8.6 in., Rear, Kit
Part Number: SPZ-37059
Estimated Ship Date: Today
Estimated Ship Date: Today
USA Standard Master Overhaul kit for the Ford 8" differential w/ HD posi
Part Number: SPZ-37029
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Axle Shaft, 28-spline, 29.875 in. Length, Rear, GM 8.2 in., BOP Axle, Pontiac, Each
Part Number: SPZ-35060
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gear Installation Kits, Master Overhaul Kits, 30-spline, GM 8.875 in. (12-bolt) Truck, Rear, Chevrolet, GMC, Kit
Part Number: SPZ-37043
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.55:1, Chrysler, 8.75 in. 742, Set
Part Number: SPZ-36300
Estimated Ship Date: Today
Estimated Ship Date: Today
RING AND PINION GEARS, USA Standard ring & pinion sets
Part Number: SPZ-36329
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.54:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set
Part Number: SPZ-36073
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Ford 8.8 in., Rear, Kit
Part Number: SPZ-37030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
USA Standard Ring & Pinion gear set for Dana 44-HD in a 3.73 ratio
Part Number: SPZ-36057
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
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: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: Today
USA Standard Master Overhaul kit Dana 80, Rear, Kit
Part Number: SPZ-37078
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
USA Standard Master Overhaul kit for the Ford 9" LM102910 differential
Part Number: SPZ-37033
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 5.13:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set
Part Number: SPZ-36128
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, GM 8.5 in., Rear, Kit
Part Number: SPZ-37055
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.73:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set
Part Number: SPZ-36040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears,USA Standard 8.875" GM 12 Bolt Truck, 3.42 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals
Part Number: SPZ-10681
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals
Part Number: SPZ-10733
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
Ring and Pinion Gears,USA Standard 8.5" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.625" Carrier Bearing Journal
Part Number: SPZ-10723
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
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: Today
Estimated Ship Date: Today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.