BEMPI 00-8852-0 EMPI VW HI-PERFORMANCE C-CHANNEL BOLT -ON VALVE COVERS, Pr. ReviewbP PP EMPI 00-8852-0 EMPI VW HI-PERFORMANCE C-CHANNEL BOLT -ON VALVE COVERS, Pr. PMADE FROM INVESTMENT CAST ALUMINUM - EMPI LOGO W POLISHED RIBS ON BLACK BACKGROUNDPFINNED DESIGN HELPS REDUCE UPPER CYLINDER HEAD TEMPERATUREPCLEARANCED FOR USE WITH HI-LIFT ROCKERS.PBOSSES THAT CAN BE DRILLED FOR VENTING TO A BREATHER BOX.PC-CHANNEL TYPE SEALS & STUDS INSURE POSITIVE PRESSURE SEALING.