Description
Precision Race Components LT4 CNC 312cc ported cylinder heads. All new 6-bolt Precision Race Components LT cylinder heads!
MADE in the USA!! CAST in the USA!! MACHINED in the USA!!
Click Here to SEE why we build better heads!
- 2.165″ Titanium Intake Valves/ 1.600″ Inconel Exhaust Valve
- TSP .700 MAX Lift Spring Kit w/ PAC Valve Springs & PAC Mini 8 Titanium Retainers!
- 6-Bolt Cylinder Heads with Thicker Deck Surface
- CHE Bronze Guides
- Will Work on Both Standard GM 4-Bolt & Aftermarket LT 6-Bolt Style Engine Blocks
- Completely Assembled in the USA
- Designed for the customer pushing High RPM, High Boost Levels, High Compression or Solid Roller Cam
Extensive CNC and dyno testing has resulted in one of the most powerful LT-based cylinder heads available!
Cylinder Head Specs:
Intake CC: 312cc
Intake Valve: 2.165″
Exhaust Valve:1.600″
Chamber Size: 62.5cc
FLOW NUMBERS
Lift Intake Exhaust
.2 151 117










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