Hot Cams 1109-2GSK Gold Series Stage-2 High Performance Camshaft/Valve Spring Set Gold series stage 2 camshaft and valve spring set is designed to complement modified engines using such modifications as big bore cylinders, high compression pistons and performance exhausts; single cam engine; only one cam is needed Excellent mid-range and over-rev increase over the stage 3 cam Comes with stiffer springs - part number VSCRF250RKIT and uses stock auto-decompression mechanism Cam specs: Exhaust duration (degrees at 1mm): 256, exhaust lift (mm): 9.09, exhaust lobe center (degrees): 101 intake duration (degrees at 1mm): 243, intake lift (mm): 9.25, intake lobe center (degrees): 106 For: Honda CRF250R 2004-2007