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USA Standard Gear uses precision machining and vigorous testing methods to produce a large assortment of world-class gearing and axle products, ranging from axle shafts...
USA Standard Gear uses precision machining and vigorous testing methods to produce a large assortment of world-class gearing and axle products, ranging from axle shafts to lockers. Summit Racing is your go-to source for USA Standard Gear parts. We carry USA Standard Spartan lockers, ring and pinion sets, axle shafts, replacement cross pins, front axle stubs, and more. Get the traction you need from the parts you want. Order your USA Standard Gear parts from Summit Racing today!
USA Standard Gear uses precision machining and vigorous testing methods to produce a large assortment of world-class gearing and axle products, ranging from axle shafts to lockers. Summit Racing is your go-to source for USA Standard Gear parts. We carry USA Standard Spartan lockers, ring and pinion sets, axle shafts, replacement cross pins, front axle stubs, and more. Get the traction you need from the parts you want. Order your USA Standard Gear parts from Summit Racing today!
Showing In Stock Items. Show All 7 Items.
Ring and Pinion Gears,USA Standard 11.5" AAM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 4.375" OD Inner Pinion Bearing
Part Number: SPZ-10825
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Fits '01-'07 GM Silverado & Sierra 2500 & 3500 with five speed ATor six speed MT. 27 11/8" weld to weld.
Part Number: SPZ-44458
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Ring and Pinion Gears,USA Standard 11.5" AAM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 4.125" OD Inner Pinion Bearing
Part Number: SPZ-10819
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Ring and Pinion Gears,USA Standard 11.5" AAM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 4.125" OD Inner Pinion Bearing
Part Number: SPZ-10820
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Ring and Pinion Gears,USA Standard 11.5" AAM, 4.56 Ratio Rear Ring & Pinion GearInstall Kit 4.125" OD Inner Pinion Bearing
Part Number: SPZ-10821
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Ring and Pinion Gears,USA Standard 11.5" AAM, 4.56 Ratio Rear Ring & Pinion GearInstall Kit 4.375" OD Inner Pinion Bearing
Part Number: SPZ-10827
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Ring and Pinion Gears,USA Standard 11.5" AAM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 4.375" OD Inner Pinion Bearing
Part Number: SPZ-10826
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
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