Feuling HP+ 574 Hydraulic Conversion Camchest Kit For Harley Twin Cam Features: Bulletproof your engine with maximum reliability 25-35 degree cooler engine temperatures 15-30 degree cooler oil temperatures 15-30 more pounds of oil pressure More power Quieter and smoother engine operation Eliminate wet sumping, blow by and oily air cleaners 574 Cam Info: 574 cams have a wicked power band for modified engines and an excellent bolt in for stock 103 & 110 engines. Works very well with 95, 106, 107, 114 big bore engines. This is a great all around camshaft with solid low end performance and mind blowing mid and top end power. Extremely smooth cam lobe design creates a very smooth valve-train motion. Responds very well to modified cylinder heads, increased compression ratio, performance exhaust and intake systems. Performance valve springs are required on 99-04 engines and performance pushrods, lifters and clutch modifications are recommended. RPM 2,400-6,500 Intake open/close 15/45 Exhaust open/close 61/14 Intake duration 240 Exhaust duration 255 Intake Lift .574 Exhaust Lift .574