GM Turbo 400 (TH400) Speedometer Gear Kit – Multiple Tooth Options (15/40 to 15/45)

Description

GM TURBO TH400 TRANSMISSION SPEEDOMETER GEAR RECALIBRATION KIT DRIVEN GEARS
Included in Kit: Speedometer Gear housing w/Inner & Outer Seals Y-Bracket w/Standard & Metric Bolts
DRIVEN GEARS:                       DRIVE GEARS:
40 Black                                          15 Grey  
41 Yellow
42 Green
43 Blue
44 Grey
45 Olive
Gears Meet or Exceed OEM Quality Gears have a higher percentage of fiberglass giving them a higher temp rating and increasing tinsel strength for the drive cable. Colors may very 　
Helpful Tips:
Driven gear: Fewer teeth will speed up the speedometer reading more teeth will slow down the reading. For every tooth added or subtracted is + or – 2mph.
Drive gear: Fewer teeth will slow down the speedometer reading and more teeth will speed up the reading. For every tooth added or subtracted is + or – 10mph.
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