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CNC Ported Cadillac Northstar HiPort

Manufactured by OEM CNC Ported Cadillac Cylinder Head
Send us your unported OEM Cadillac Northstar HiPort 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 OEM Cadillac Northstar HiPort

Volume
Combustion Chamber
Intake Port
Exhaust Port
Valve Size
Intake
Exhaust