Name: PRC 247cc CNC Ported Cylinder Heads
Brand: Texas Speed And Performance
SKU: 199-PRC247
Price: 2774.39 USD
Availability: InStock

Precision Race Components all new cylinder head castings completed with 247cc runners. For 408 cubic inch and larger applications with 4.03"+ bore sizing. MADE IN THE USA!! CAST IN THE USA!! MACHINED IN THE USA!! Features: 247cc Fully CNC Ported Intake Runners 84cc Fully CNC Ported Exhaust Runners TSP Dual Spring Kit w/ PAC Springs Rated To .660" Lift 68cc CNC Machined Chambers CHE Bronze Guides 2.120" Intake / 1.600" Stainless Valves Factory Rocker Friendly!!* ***NOW AVAILABLE WITH HOLLOW STEM INTAKE VALVES!!! SAVES APPROXIMATELY 15 Grams!!!*** The all new 247cc cylinder head is finally available for customers looking for the pinnacle of LS cathedral port performance. The new 247cc port has been flow bench tested to flow over 360cfm. Flow Data: No Exhaust Pipe LIFT INTAKE FLOW EXHAUST FLOW .100" 66 CFM 57 CFM .200" 147 CFM 117 CFM .300" 228 CFM 170 CFM .400" 282 CFM 206 CFM .500" 321 CFM 227 CFM .600" 343 CFM 235 CFM .650" 355 CFM 241 CFM .700" 360 CFM 245 CFM

Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!

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PRC 247cc CNC Ported Cylinder Heads

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