CT8344 - TH400 3L80 Speedo Setup Kit with 15 tooth drive and 34 tooth driven
Turbo 400 Speedometer Housing, Gears, Seals, Retainer, Bracket
Questions?? We can help calibrate what gears you need to work with this speedo housing!
A new complete mechanical speedo set up for TH400 and 3L80 transmissions. We can customize this for you. Please contact us prior to purchase if you would like us to substitute a different driven or drive gear or if you need help calculating the proper gear set. The setup shown is a popular combination for the Turbo 400 commonly used in Buick, Chevy, Pontiac, Oldsmobile, Cadillac and some Jeeps, Jaguars, Holdens, and GMC.
Items included as Shown:
- Aluminum Speedo Housing with Seals for 34-39 Tooth Gears
- Extra Set of Seals to use later
- 15 Tooth TH400 Speedo Drive Gear
- 34 Tooth Speedo Driven Gear
- TH400 Drive Gear Retainer Clip
- Speedo Housing Lockdown Bracket
- Bracket Bolts - SAE & Metric
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For questions or to place an order by phone, please call our solutions desk at (888) 324-1617 8AM-6PM PST (West Coast USA).
Or message/email us using our CONTACT link above.
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3L80 speedometer conversion