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

Regular price $2,849.00 Save $-2,849.00
99 in stock
New for 2018, our 2,000 Horsepower Capable Cathedral Cylinder Heads Featuring Softened Chambers, HIP Casting Process, and Optional Inconel Exhaust Valves!
 Includes 
  • Hollow-Stem Stainless Steel Intake 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!
Read More about why we build better heads!

 

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

 

#199-PRC247HIP

Mailordertuner.com sells Texas Speed and Performance 247cc CNC Ported Cylinder Heads with Chamber Softening & HIP Process
Mailordertuner.com sells Texas Speed and Performance 247cc CNC Ported Cylinder Heads with Chamber Softening & HIP Process