Cart  |  Checkout

	Home » Store » GM-Chevy BBC CNC Ported GM-Chevy BBC

Search             Vehicle Make       Show All makes       Head Manufacturer       Show All mfgs Show All Makes Show All Manufacturers

Send us your unported ProComp GM-Chevy BBC cylinder head to have it professionally CNC Ported in-house by Direct Motion Motorsports on the Rottler P55, our revolutionary 5 Axis CNC Cylinder Head Porting Machine. About how the Direct Motion Motorsports process works Photos of 5 axis cnc ported heads This head is flow tested on a Superflow SF600 at 28 inches with a 1/2 inch radius intake plate and a short stack exhaust tube. Please check back soon for actual flow numbers of our CNC Ported ProComp GM-Chevy BBC Volume Combustion Chamber 125cc Intake Port 360cc Exhaust Port 150cc Valve Size Intake 2.300" Exhaust 1.880"  Continue Shopping  Checkout

Terms & Conditions | Privacy Statement  ©2010 Direct Motion, Inc.   All Rights Reserved. Experts in 5 Axis CNC Cylinder Head Porting located in Southern California