Speedo Parts & Calibration

700R4 Hotrod Speedo Kit - Convert Speedometer Setup Electric to Mechanical 15/43 Teeth

CT2036 - Everything needed to convert your 700R4 transmission speedo setup from electric to mechanical. Perfect for street or hot rod applications. This kit will convert your 1980s or early 1990s 700R4 electric speedo setup back to the original...

700R4 Speedo ELECTRIC TO MECHANICAL Conversion Kit Convert Speedometer 15/43 Teeth

CT8767 - Everything needed to convert your 700R4 / 4L60 transmission speedo setup from electric to mechanical. Perfect for street or hot rod applications. This kit will convert your 1980s or early 1990s 700R4 / 4L60 electric speedo setup back to the...

2004R Governor Cover Gasket For Governor / Speedo Drive Gear 200R4 Transmission

CT4789 - A new governor cover gasket for the 2004R transmission, 1981-1990. Covers and seals the area of the governor / speedo drive gear. Always FAST USA SHIPPING! For questions or to place an order by phone,  please call our solutions desk at...

2004R Speedo Housing Leak Stop Seal Kit 200R4 Transmission Speedometer

CT4909 - A new speedo housing leak stop kit for the GM 200-4R Transmission, 1981-1990. Includes outer oring, inside rubber gear seal and spring retainer clip to stop leaking at your speedometer housing. It will stop the leak where the speedo cable...

Speedo Housing Retainer Bracket 2004R Speedometer 200R4 Transmission

CT5159 - A speedometer gear housing retainer bracket for GM 2004R Transmission. This bracket holds the steel bullet type speedo housing in place. Includes metric and non-metric bolts with lock washer. Always FAST USA SHIPPING! For questions or to place...

200-4R 26 Tooth Speedo Driven Gear TH125 440-T4 200-R4 Transmission Speedometer

CT7025 - A new brown 26 tooth speedo driven gear for the 2004R transmission, 1981-1990.  Also fits TH125 and 440-T4 transmissions. Always FAST USA SHIPPING! For questions or to place an order by phone,  please call our solutions desk at (888)...

200-4R 27 Tooth Speedo Driven Gear TH125 440-T4 200-R4 Transmission Speedometer

CT0083- A new black 27 tooth speedo driven gear for the 2004R transmission, 1981-1990.  Also fits TH125 and 440-T4 transmissions. Always FAST USA SHIPPING! For questions or to place an order by phone,  please call our solutions desk at (888)...

200-4R 28 Tooth Speedo Driven Gear TH125 440-T4 200-R4 Transmission Speedometer

CT6525 - A new yellow 28 tooth speedo driven gear for the 2004R transmission, 1981-1990.  Also fits TH125 and 440-T4 transmissions. Always FAST USA SHIPPING! For questions or to place an order by phone,  please call our solutions desk at (888)...

200-4R 29 Tooth Speedo Driven Gear 200-R4 Transmission Speedometer

CT2020 - A new green 29 tooth speedo driven gear for the 200-4R transmission, 1981-1990. Always FAST USA SHIPPING! 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 Email...

200-4R 30 Tooth Speedo Driven Gear TH125 440-T4 200-R4 Transmission Speedometer

CT9626 - A new blue 30 tooth speedo driven gear for the 2004R transmission, 1981-1990.  Also fits TH125 and 440-T4 transmissions. Always FAST USA SHIPPING! For questions or to place an order by phone,  please call our solutions desk at (888)...

200-4R 31 Tooth Speedo Driven Gear TH125 440-T4 200-R4 Transmission Speedometer

CT0685 - A new white 31  tooth speedo driven gear for the 2004R transmission, 1981-1990. Also fits TH125 and 440-T4 transmissions. Always FAST USA SHIPPING! For questions or to place an order by phone,  please call our solutions desk at (888)...

34-39 Speedo Gear Housing w/EXTRA SEALS TH350 700R4 ST-300 TH200 Speedometer Sleeve

CT8434 - A new 34 to 39 aluminum speedometer gear housing for GM TH350 TH350C TH200 TH200C TH700-R4 (4L60) ST-300 Transmissions. Includes outer oring, inside rubber gear seal and metal retainer clip to prevent leakage. Also includes an extra outer oring...

Full Set 2004R Speedo Driven Gears 26 27 28 29 30 31 Tooth 200R4 Speedometer

CT1891 - A full set (6) of new speedo driven gears for the GM 2004R Transmission. Set includes 26-31 tooth gears. The speedo driven gear is easy to change out, so it is always nice to have some options available to keep your speedometer accurate when...

2004R Governor Gear / 10 Tooth Speedo Speedometer Drive 54684BC 8639906 200R4

CT0094 - A new green governor gear with 10 tooth speedo drive gear for the 2004R transmission, 1981-1990.   Most people purchase a new governor gasket at same time along with this item. We sell the governor gasket as item CT4789   Always FAST...

2004R Red Governor Gear / 12 Tooth Speedo Speedometer Drive 54684B 8634935 200R4

CT9179 - A new red governor gear with 12 tooth speedo drive gear for the 2004R transmission, 1981-1990.   Most people purchase a new governor gasket at same time along with this item. We sell the governor gasket as item CT4789    ...

TF8 727 TF6 904 SPEEDO HOUSING LEAK STOP SEAL KIT Speedometer

CT5128 - A new outer oring, inside rubber seal and retaining spring clip for the TF8-727 and TF6-904 Speedometer housing. This kit will stop the leak where speedo cable connects to the transmission.  Works for 1966 and up transmissions. Always FAST...

40-45 Speedo Gear Housing w/EXTRA SEALS TH350 700R4 TH200 ST-300 Speedometer

CT2232 - A new 40 to 45 aluminum speedometer gear housing for GM 700R4 (4L60) TH350 TH350C TH200 TH200C ST-300 Transmissions. Includes preinstalled outer oring, inside rubber gear seal and metal retainer clip to prevent leakage. Also includes an extra...

ST-300 Speedo Gear Housing LEAK STOP KIT Speedometer Oring

CT3006893 - A new speedo housing leak stop kit for the GM ST-300 Transmission, 1964-1969. Includes outer oring and inside rubber gear seal to stop leaking at your speedometer housing. This kit fits the larger speedo housings designed for 34-45 tooth...

TH350 Speedo Gear Large Housing LEAK STOP KIT Turbo 350 Speedometer Oring

CT6893 - A new speedo housing leak stop kit for the GM TH350 Transmission, 1969 & up. Includes outer oring and inside rubber gear seal to stop leaking at your speedometer housing. This kit fits the larger speedo housings designed for 34-45 tooth...

TH350 LARGE SPEEDO HOUSING COMPLETE Speedo Gear Housing LEAK STOP SEAL KIT Speedometer

CT0381 - Everything needed to completely up and secure your two inch speedo housing on your TH350 Transmission, 1969 & up. Includes outer oring, inside seal and spring retaining clip to stop leaking at your speedometer housing. Also included is a...

SPEEDO GEAR SLEEVE HOUSING Aluminum Powerglide Transmission Speedometer

CT6201- A new steel speedometer gear housing for the Aluminum Powerglide Transmission. 1963-UP. Includes outer oring and inside metal clad/rubber gear seal to prevent leakage. Fast shipping to any US address.  Please see worldwide...

TH350 SPEEDO GEAR SLEEVE HOUSING Turbo Transmission Speedometer

CT1098 - A new steel speedometer gear housing sleeve for the GM TH350 Transmission, 1969 & up. Includes outer oring and inside metal clad/rubber gear seal to prevent leakage. Always FAST USA SHIPPING! For questions or to place an order by...

Aluminum Powerglide Speedometer Output Shaft Drive Gear Retainer Clip Speedo

CTAP2297 - A speedo drive gear retainer clip for the Aluminum Powerglide transmission. This clip secures the speedo drive gear to the output shaft. Long, thin, measuring 5/16" x 1" or 7.7mm x 26mm. Fits all years of Aluminum Powerglide 1962-1973...

TH350 700R4 ST300 Speedometer Output Shaft Drive Gear Retainer Clip Speedo

CT2297 - A speedo drive gear retainer clip for the ST300, TH350 and 700R4 Turbo 350 transmission in Chevrolet. This clip secures the speedo drive gear to the output shaft. Long, thin, measuring 5/16" x 1" or 7.7mm x 26mm. Fits all years of ST300, TH350...