Ported HEMI Heads

Upgrade to the top choice of our HEMI Arrington Eagle 5.7 CNC Ported Heads. The valve springs, retainers and locators are upgraded and allow these heads to support cams up to .625” of lift. The valve seats are single point CNC cut with a Newen Epoc using the same designs and processes as our Dodge P7, P8 and TRD Phase 14 Race Heads. All intake and exhaust ports are smoothed using our engineered and dyno proven custom CNC methods designed by our in house HEMI engine builders and engineers. We... 

Upgrade to the top choice of our HEMI Arrington Eagle 5.7 CNC Ported Heads. The valve springs, retainers and locators are upgraded and allow these heads to support cams up to .625” of lift as well as the addition of the Manley oversized valves to increase air flow to the cylinders. The valve seats are single point CNC cut with a Newen Epoc using the same designs and processes as our Dodge P7, P8 and TRD Phase 14 Race Heads. All intake and exhaust ports are smoothed using our engineered and... 

Upgrade to the top choice of our HEMI engine builders with the Arrington Phase 4 CNC Ported Heads. When tested against our competitors’ heads, these outperformed the nearest competitor by 18 horsepower. The valve springs, retainers and locators are upgraded and allow these heads to support cams up to .645” of lift. The valve seats are single point CNC cut with a Newen Epoc using the same designs and processes as our Dodge P7, P8 and TRD Phase 14 Race Heads. All intake and exhaust ports are... 

Arrington BIG GAS CNC Ported Heads are now available. These upgraded 392 heads include improved valve springs, retainers and locators and allow support of cams with up to .645” of lift. The BIG GAS heads are made of 356 - T6 Aluminum. A stronger alloy along with noticable differences in the casting when compared to a standard 6.4L Apache head, make this set of heads perfect for that high boost engine. The valve seats are single point CNC cut with a Newen Epoc using the same designs and... 

Arrington Phase 6 CNC Ported Heads for 2011 and up 392 (6.4L) SRT8 Chargers, Challengers and 300Cs are now available. These upgraded 392 heads include improved valve springs, retainers and locators and allow support of cams with up to .645” of lift. The valve seats are single point CNC cut with a Newen Epoc using the same designs and processes as our Dodge P7, P8 and TRD Phase 14 Race Heads and our proven Phase 4 HEMI heads. All intake and exhaust ports are smoothed using our engineered and... 

This is a completely new casting made of A356 material and is approximately 2x the strength as an OE cylinder head. All heads are drilled for both left and right exhaust bolt pattern and oil drain backs which allows for heads to be interchangeable from side to side and also gives turbo cars additional bolt holes for header flanges. One oil return will be plugged using a NPT plug to avoid leaks. Both the Port Walls and the deck thickness have been increased and additional features added for...