Maximum performance
Note: images show Build Level: Completely Assembled
Katech LTK heads were developed for Gen 5 engines to get the maximum performance out of the engine in high horsepower applications. Their performance capability exceeds the limitations of a production casting.
Uses 2.200” intake & 1.600” exhaust (not factory length)
Uses Gen 5 LT pedestal rocker design. Can utilize Stock rocker arm or Aftermarket Jesel Rocker arm – sold separately.
Piston to Valve clearance must be checked. Valves are larger then stock and offset to clear combustion chamber.
Cast in the USA from 356 aluminum and heat treated to T-6. The raw casting is fully machined and CNC ported at Katech in Clinton twp. Michigan.
Exhaust port is not in standard LT location, moved 1.5” to straighten port. Kooks makes headers for Katech LTK heads.
Includes bronze CHE bronze valve guides, CHE intake seat (ductile iron), CHE exhaust seat (Bx) and valve job.
Cylinder heads can be used on stock displacement LT engines but to realize full potential it is recommended to use 4.125” and larger bores.
Volumes:
Intake: 327cc
Exhaust: 120cc
Combustion Chamber: 53cc (Boost chamber in process)
Heads with valves include the above plus:
Titanium 2.200" intake valves
Inconel 1.600" exhaust valves
Assembled heads include the above plus:
PAC 1208x dual valve springs
Valve spring locators
Titanium valve spring retainers
Valve locks
Lash caps
Valve seals
Competition setup and assembly
Porter's castings are available for the professional cylinder head shop looking to finish with their own port. Porter's castings are machined minus intake/exhaust runner and chamber porting. They do not include seats or guides.
