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OEM Part Number: 3987918 (18 Teeth), 3987919 (19 Teeth), 3987920 (20 Teeth), 3987921 (21 Teeth), 3987922 (22 Teeth)
Purpose & Payoff:
Restore accurate speed readings after axle or tire changes.
Select the tooth count you need, install, and enjoy dependable, repeatable calibration on the road.
Package Included:
17 Teeth Speedometer Driven Gear (Purple) x 3
18 Teeth Speedometer Driven Gear (Brown) x 3
19 Teeth Speedometer Driven Gear (White) x 3
20 Teeth Speedometer Driven Gear (Blue) x 3
21 Teeth Speedometer Driven Gear (Red) x 3
22 Teeth Speedometer Driven Gear (Grey) x 3
Bullet Speedometer Gear Housing kit x 1
Fitment:
Fit for GM TH350 (Turbo 350)
