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Precision Race Components Boost-Specific 247cc CNC Ported Cylinder Heads with Chamber Softening & HIP Process

$2,749.99
New for 2018, our 2,000 Horsepower Capable Cathedral Cylinder Heads Featuring Softened Chambers, HIP Casting Process, and Optional Inconel Exhaust Valves! Precision Race Components' all new cylinder head castings completed with 247cc runners. For 400+ cubic inch and larger applications with 4.

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Selected Size Sold Out! Pre-order Now - Shipping June 2018
SKU: 199-PRC247HIP
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  • New for 2018, our 2,000 Horsepower Capable Cathedral Cylinder Heads Featuring Softened Chambers, HIP Casting Process, and Optional Inconel Exhaust Valves! Precision Race Components' all new cylinder head castings completed with 247cc runners. For 400+ cubic inch and larger applications with 4.03"+ bore sizing. Uses Our Updated High HP Casting Design Released in 2017 and Tested to 2,000 HP! CAST IN THE USA! MACHINED IN TEXAS! Features: 247cc Fully CNC Ported Intake Runners 84cc Fully CNC Ported Exhaust Runners TSP Dual Spring Kit w/ PAC Springs Rated To .660" Lift as Standard 69.5cc CNC Machined Chambers as Standard CHE Bronze Guides 2.120" Intake / 1.600" Stainless Valves (Multiple Options Available) Accepts Factory Rocker Arms Chamber Softening Sized Specific To Your Bore! HIP Process For Increased Casting Strength! Optional Inconel Exhaust Valve 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

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