With black pushrod tubes. Complete chain drive cam chest kit; without cams; to give you a solid base for a performance engine. This cam chest kit is compatible with any Twin Cam chain drive performance cams out there you fancy (or already have). Oil Pump/Cam Plate: - Precision machined from billet aluminum - Passage plugs removable for servicing - Independent scavenge sections for flywheel cavity and cam chest - Debris screens in both scavenge pickups - Magnet in cam chest side to help to stop debris from entering oil pump - 44% flow increase on supply side and 58% flow increase on scavenge - Pressure relief valve is adjustable with unit installed in engine - Chain drive kits include S&S High Performance cam chain tensioner (907796). Pushrods:- Quickee Pushrod kit; allowing installation without removing rocker covers - 7/16 anti-flex chrome moly tubing. Tappets:- S&S Precision Tappets - Hand assembled to exacting tolerances - Reduced valvetrain noise from start up to shut down - Close tolerances for low leak down rates - Fast pump up and superior high RPM performance