DRD LEVEL 3  |  PORSCHE 911 CYLINDER HEADS

L3 911 style of head porting is for sport street cars / off road cars with an increase of stock hp. A full port and polish, combustion chambers polished, intake manifolds matched, complete valve job, springs shimmed to your cam. This port combo retains bottom end torque with excellent mid-range and high-end pull to 6500 rpms with increased fuel mileage. Recommended stock and mild cam shafts.

DRD L3 Porsche 911
Porting Labor Only
Set of Six:
$695 <call to order

*Customer needs to supply rebuildable cores
// Increase above stock head flow and power, great for the budget minded, improvement over stock on power output.