G2 2-2021-373 3.73 ratio ring and pinion; GM 10-bolt 8.5", 8.6"

$224.99 (updated March 19, 2020, 3:49 pm) $195.00

G2 Axle and Gear 2-2021-373 Ring and Pinion Set; GM 8.5 in.; 3.73 Ratio ;
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G2 Axle and Gear

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SKU: g2-2-2021-373 Category:


G2 Axle & Gear G/22-2021-373 performance series 3.73 ring and pinion gear set for GM 10-bolt axles. G2 performance series gears have been engineered for the performance-minded driver that demands strength and reliability above all else. G2 performance series ring and pinion sets are forged from 8620 gear steel and they’ve been heat treated to handle the excess torque loads of off-roading, oversized tires, high-performance engines, and racing, while still regarded as an ideal choice for use in a daily driver.

G2 performance series gears (G/22-2021-373) feature:

  • Limited Lifetime Warranty
  • Quiet Operation
  • Computer Heat Treated 8620 Steel
  • Manufactured to OE Specs
  • Consistent Installation Tolerances
  • Double Shot Peened
  • Double Lapped

For use on GM 10-bolt 8.5″ and 8.625″ axles with a 2.73 and higher carrier.
Master installation kit part # g2-35-2022 is required for 8.625″ axles.


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