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10" Street Fighter ConverterSuit GM TH350/400 With Dual Bolt Pattern & Anti Ballooning PlateTCI241001I241001Designed with the street/strip appl...

6"TH350 Extension Housing, Lightweight DesignTCI323500I323500TCI now offers a new six-inch tailhousing to replace hard-to-find OEM parts for TH350 ...

Adjustable Vacuum ModulatorSuit GM PowerglideTCI280001I280001The vacuum modulator is a vital component of automatic transmissions. It tells the tra...

Adjustable Vacuum ModulatorSuit TH350 & TH400TCI350001I350001The vacuum modulator is a vital component of automatic transmissions. It tells the...

Aluminium Powerglide Filter KitIncludes Filter & Pan GasketTCI628500I628500Regular servicing of your transmission is an important part of the u...

Billet Flexplate 168 ToothSuit GM LS 6-Bolt CrankTCI399757I399757Durability at high RPM can be compromised by an inferior flexplate. In order to pr...

Bolt-Together PlanetariesSuit GM Powerglide - 1.8 Ratio, Standard Length, Straight Cut GearsTCI747600I747600TCI Bolt-Together Powerglide Planetarie...

GM Driven Speedo Gear, 35 Tooth OrangeSuit TH400 & TH700R4TCI880008I880008GM Driven Speedometer Gear, 35-tooth orange. Reference GM part number...

GM Driven Speedo Gear, 36 Tooth NaturalSuit TH400 & TH700R4TCI880009I880009GM Driven Speedometer Gear, 36-tooth natural. Reference GM part numb...

GM Driven Speedo Gear, 37 Tooth RedSuit TH400 & TH700R4TCI880010I88001037-Tooth GM Speedometer Driven Gear. Dimensions: 3.35" long x .305" shaf...

GM Driven Speedo Gear, 38 Tooth BlueSuit TH400 & TH700R4TCI880011I880011GM Driven Speedometer Gear, 38-tooth blue. Reference GM part number 135...

GM Driven Speedo Gear, 39 Tooth BrownSuit TH400 & TH700R4TCI880012I880012GM Driven Speedometer Gear, 39-tooth brown. Reference GM part number 1...

GM Driven Speedo Gear, 45 Tooth Light BlueSuit TH400 & TH700R4TCI880032I88003245-Tooth GM 200C/375B/TH425/475/700R4 Speedometer Driven Gear. Di...

GM Driven Speedometer Gear, 34-Tooth GreenSuit TH350, 400 & 700R4TCI880007I880007GM Driven Speedometer Gear, 34-tooth green. Reference GM part ...

GM LSA Flexplate ConversionSuit TH350 & TH400, 8-Bolt, SFI ApprovedTCI399756I399756Coverter Bolt Pattern: LS bolt pattern 11.1" & GM Small ...

GM Speedo Drive Gear, 15 Tooth GreySuit TH400 & TH700R4TCI880019AI880019AGM Speedometer Drive Gear, 15-tooth gray, plastic. Reference GM part n...

GM Speedometer Gear Housing, 1.935" diameter for 34-39 tooth gearsFits TH400TCI880042I880042GM Speedometer Gear Housing, 1.935" diameter for 34-39 ...

GM Speedometer Gear Housing, 1.935" diameter for 40-45 tooth gearsFits TH400TCI880043AI880043ADriven gear housing for TH400 with a 40-45 tooth coun...

Locakble Race Style Transmission DipstickSuit GM TH700 and 4L60ETCI743865I743865A full length locking dipstick assembly appropriate for race or str...

Powerglide Valve Body Improver Upgrade Kit, 1967-73TCI626300I626300This value priced kit allows you to upgrade your transmission for added performa...

Pro-X Overflow Premium CanisterSuit PowerglideTCI528206I528206New lightweight aluminium overflow canister for Powerglide transmissions safely conta...

Speedo Drive ClipSuit TH350, 7/16" WideTCI880026I880026GM Speedometer Gear Clip, 7/16". Reference GM part number 8628557. 7/16" wide.

Speedo Driven Gear, 10 Tooth Purple, 1.19" ShaftSuit GM TH350TCI880015I880015GM Speedometer Drive Gear, 10-tooth purple. Reference GM part number 6...

Speedo Driven Gear, 15 Tooth Grey, 1.19" ShaftSuit GM TH700R4TCI880018I880018GM Speedometer Drive Gear, 15-tooth gray. Reference GM part number 864...