Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
USA Standard Gear Ring & Pinion Gears, Axles, Driveshafts & More
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 317 Items.
Manual Transmission Replacement Parts, NV4500 M/T 5TH & REVERSE SYNCHRO SLEEVE
Part Number: SPZ-71106
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Manual Transmission Replacement Parts, NV4500 M/T 3RD & 4TH SYNCHRO SLEEVE
Part Number: SPZ-70950
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
USA Standard pinion installation kit for '76 and up Chrysler 8.25"
Part Number: SPZ-60020
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Manual Transmission Bearing Retainer, Manual Transmission Input Bearing Retainer
Part Number: SPZ-ZMMUNWT297-6
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Manual Trans Parts, Manual Transmission Synchro Sleeve
Part Number: SPZ-S0012
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Manual Transmission Synchro Sleeve, Manual Transmission Synchro Sleeve
Part Number: SPZ-ZMGET290-15
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Manual Transmission Shaft Nut, Manual Transmission Input Shaft Nut
Part Number: SPZ-ZMMUNPR707A
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Manual Transmission Blocking Ring, Manual Transmission Blocking Ring
Part Number: SPZ-ZMSR1351-14
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Manual Transmission Synchro Sleeve, Manual Transmission Synchro Sleeve
Part Number: SPZ-ZMGET290-15A
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Manual Transmission Blocking Ring, Manual Transmission Blocking Ring
Part Number: SPZ-ZMSR1332-14
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Ring and Pinion Gears, 4.88:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 70, Set
Part Number: SPZ-36265
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
USA Standard Ring & Pinion "thick" gear set for Dana 44 in a 5.13 ratio
Part Number: SPZ-36051
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.25" CHRYSLER, 4.88 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals
Part Number: SPZ-10904
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
USA Standard Ring & Pinion gear set for Chrysler 8.75" (41 housing) in a 3.73 ratio
Part Number: SPZ-36013
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.25" CHRYSLER, 3.07 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals
Part Number: SPZ-10898
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Ring and Pinion Gears, 4.56:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set
Part Number: SPZ-36076
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Ring and Pinion Gears, 5.38:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set
Part Number: SPZ-36053
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Ring and Pinion Gears, 3.90:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set
Part Number: SPZ-36010
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Ring and Pinion Gears, 3.73:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set
Part Number: SPZ-36074
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.25" CHRYSLER, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals
Part Number: SPZ-10902
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
USA Standard Ring & Pinion gear set for Chrysler 8.75" in a 3.90 ratio
Part Number: SPZ-36016
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
12" 30spl GM D60 OUTER STUB, 4340
Part Number: SPZ-35120
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.25" CHRYSLER, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals
Part Number: SPZ-10900
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
USA Standard Ring & Pinion gear set for Dana 70 in a 4.11 ratio
Part Number: SPZ-36089
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
