Ferrea Competition Plus Valves (D-Series) Select Valves:31mm Intake Air and fuel move through

Air and fuel move through this engine via our infamous 390 CFM "Pro S2K" CNC Cylinder Head and 4P RR4 billet camshaft

The plastic starts moving back and for erratically and begins to stretch

Custom intake valve that dramatically outperforms other off-the-shelf valves and weights up to 6 grams less per valve

7L REAPER engine is a top performer

but is built to handle the boost of your turbo or supercharger

Ferrea Competition Plus Valves (D-Series) Select Valves:31mm Intake Air and fuel move throughThis is Ferrea's top of the line valve for your Honda engine. This valve is suitable for all horsepower levels and especially engines that will experience extreme exhaust temperatures from forced induction. Note: These valves are for D16Z6, Y5, Y7, Y8 1992 2000. All D Series valves are made to order due to low demand. Please allow 2 weeks for shipment