HOT CAMS Camshaft Exhaust - Stage 1 Yamaha YZ450F 4164-1EX derbi-senda-50-r-50-2004-esi8584056 and there are four colors

and there are four colors to choose from-black

made of Open cell-polyurethane that gives a perfect combination of Effective filtration and maximum air flow

Precision CNC Machininghigh Wear Resistance Reduces High Precision Manufacturing Use of Top Quality Gross Material Chain Pitch: 428

Made of cast aluminum and polished into a shiny finish - perfect for those who want to combine racing -inspired aesthetics with reliable function

HOT CAMS Camshaft Exhaust - Stage 1 Yamaha YZ450F 4164-1EX derbi-senda-50-r-50-2004-esi8584056 and there are four colorsDeveloped On Test Benches and Tested by Leading Teams, Hot Cams Camshafts Are Available in Three Levels. Stage 1: Increases Torque and Power with No Additional Modifications. Ideal for basic tuning. Stage 2: Better Suited to Large Machines, Requires Further Improvements Such as Hi Compression Pistons and Larger Carburetor to Deliver Its potential. Stage 3: SPECIALLY Developed for Supermotard or to Increase Cylinder's (Use Original Valve Springs for