TFS Twisted Wedge 11R 190 Cylinder Heads - (66cc)
These custom built Trickflow Twisted Wedge 11R 190 "Street Port" series small block Ford cylinder heads feature a refined combustion chamber and valvetrain design utilizing rolled and rotated valve centerlines. These TW 11R castings feature have a shallower 11 degree intake and 13 degree exhaust angle for better flow through the usable lift range. The shallower than stock valve angles also allows for more piston to valve clearance so your camshaft parameters can be more aggressive. The Trickflow Twisted Wedge 11R cylinder head's patented rolled and rotated "twisted wedge" combustion chamber and valve centerline location design has been re-engineered and refined for more even more quality flow allowing for an increase of horsepower with the new 11R package.
The FTI prepped Trickflow TW11R 190 heads feature premium quality stainless steel 2.055" intake and 1.600" exhaust diameter valves with 8mm lightweight valve stems. Many valvetrain options are available. Hydraulic roller, solid roller, titanium intake valve, inconel exhaust valves. Just let us know what you're building and we'll develop a complete cylinder head package for you.
FEATURES:
- Fully CNC ported runners with CNC profiled 66cc chambers
- Casting is CNC machined to give the new head a billet look
- Modern lightweight 8mm valve stems
- 1.300" hydraulic roller dual valve springs
- ARP Pro-series 7/16" rocker arm studs
- Large diameter 1/2" heads bolt holes
- Optional titanium or tool steel retainers
- Fully CNC street ported 190cc intake runner
- Multi-angle and blended competition valve job
- Ductile iron valve seats & bronze alloy valve guides
PLEASE NOTE: These FTI prepped TFS 11R cylinder heads are not an "in-stock, catalog item" and are custom built per order. The lead times will vary depending on the current schedule and available machine time. Understand that due to the nature and design of these cylinder heads, there will be no guaranteed delivery date. Plan accordingly.
PART NUMBER: TFS-TW11R-190-66
