S&S CYCLE310-1000B Cam Chest Kit : of the matched parts in one kit 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 (330-0737) Pushrods: Quickee Pushrods Show Chrome or Black pushrod tubes (check title) 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 Tappet Cuffs: Hard anodized black coating Billet aluminum construction Stronger than stock material eliminates distortion Improve tappet stability in high lift and high rpm situations Cams: S&S 475 cam Bolt in 100 Horsepower! (when coupled with intake and exhaust) Perfect for 107" and 114" engines Compatible with all stock valve train components 50-State compliant version available FITMENT INFORMATIONM8Part Number : 310-1000B 310-1000B Cam Chest Kit : of the matched parts in one kit 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 (330-0737) Pushrods: Quickee Pushrods Show Chrome or Black pushrod tubes (check title) 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 Tappet Cuffs: Hard anodized black coating Billet aluminum construction Stronger than stock material eliminates distortion Improve tappet stability in high lift and high rpm situations Cams: S&S 475 cam Bolt in 100 Horsepower! (when coupled with intake and exhaust) Perfect for 107" and 114" engines Compatible with all stock valve train components 50-State compliant version available FITMENT INFORMATIONM8 **** PLEASE NOTE ***** : 310-1000B These are performance and custom aftermarket products sourced to match or exceed original specifications as an alternative to the OEM version. Any Harley-Davidson part numbers referenced are for identification purposes only.