Motive Gear ring and pinions are forged out of 8620 Steel, CNC Throughout, Computer Controlled Heat Treatment, Index Tooth Spacing, Central Contact Pattern, and Cutting Edge Lapping. These are high quality quiet gears.

Motive Gear GM 10.5- Ring and Pinion- 14 Bolt (TECH NOTE: Case break 4.10/4.56 look for our thick cut gears)