Product Summary

Universal Fit, 4.850" Inside Diameter, Aluminum

  • OEM-quality aluminum bellhousing for Tremec TKX, TKO, TKO-500,TKO-600, and 3550 transmissions
  • Fits small block Ford V8 "6-bolt" engines including 289, 302, 351W, and 351C
  • Includes transmission clutch fork pivot ball stud
  • For use with 157 tooth flywheel and diaphragm clutch
  • Not SFI approved

Key Specs

MFG. Part #TCEP8639
Material TypeAluminum
SFI RatingNot SFI-approved

Need To Know

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TREMEC TCEP8639 Details

  • Direct fit solution to mate a Tremec 5-speed manual transmission to a small block Ford
  • Fits all heavy-duty Tremec TKO-series transmissions like the popular TKO 600 and new TKX
  • OE-style aluminum casting is fully machined and ready to install out of the box
  • Perfect for muscle cars, kit cars, hot rods, and late-model performance cars
  • Recommended for street and mild performance use, NOT SFI certified
  • Bellhousing features mounting for cable clutch actuation, as used in Fox chassis Fords
  • Bellhousing comes with trans clutch fork pivot stud
  • Installer will need to provide bellhousing to block fasteners
  • Designed to use 157-tooth flywheel and late-model performance clutch assemblies
  • Not compatible with OEM or aftermarket T-5 five-speed manual transmissions

An OEM-Style Bellhousing for Your Tremec 5-Speed Conversion

Tremec’s aftermarket 5-speed transmissions are known for their strength and have been fitted behind everything from early hot rod builds to classic pickups and of course street muscle like Camaros and Mustangs. To help with the installation of a Tremec transmission they have released their own OE-style cast aluminum Ford bellhousing for small block applications such as the Ford 289, 302, 351W, and 351C engines with 6-bolt bellhousing pattern. This Tremec bellhousing will not fit 260 V8 or early 5-bolt 289 V8 engines. This Ford bellhousing adapts the Tremec’s early 4-speed-style bolt pattern to your small block Ford engine while maintaining proper input shaft depth, transmission angle, and more. No additional spacers or adapters are required. Simply confirm your small block is setup with a 157-tooth flywheel and modern diaphragm clutch and bolt this bellhousing in place to easily mount your Tremec TR3550, TR3550-II, TKO, TKO-II, TKO-500, TKO-600, or new TKX 5-speed manual transmission. This is not a T5 bellhousing, so if you’re trying to fit a Tremec T-5 behind your small block Ford we carry the correct T5 bellhousing for the T-5 fitment as well.

Don’t forget to add the correct clutch fork, and the appropriate clutch cable for your build. If you prefer to go hydraulic you can skip the fork and cable route and use something like Ram Clutches TKO Hydraulic Throwout Bearing to convert to hydraulic actuation.

TREMEC TCEP8639 Specifications

MFG. Part #TCEP8639
Material TypeAluminum
SFI RatingNot SFI-approved
Inside Diameter4.850"
Hardware IncludedYes
Sold in QuantityEach
NotesBellhousing to block mounting hardware not included
Clutch OperationMechanical or Hydraulic
Product TypeBellhousing
Transmission NameFord Tremec 3550, TKO, TKX, TKO500, TKO600
Transmission TypeManual