4Piston Net Back Hat K20C1 It is not recommended to

It is not recommended to lock VTEC function on an OEM 3-lobe rocker

These changes in the operating environment and how the engines are assembled require the oil pump to flow much better than OEM to maintain the pressures required to protect your engine

All Ultra Manifolds feature tapered runners with trumpet profiled entries and plenums that have been designed and optimized using CFD

You can source them yourself or we can provide them

We ran these heads on select cars at WCF and they had to adjust their tunes and add fuel over their existing world record holding 4P Outlaw CNC cylinder heads

4Piston Net Back Hat K20C1 It is not recommended toFlat bill that can be shaped and rounded. 4 Piston Racing Logo is raised stitch. Net back, snap back hat, very high quality. It stays in new condition after long periods of use.