Rocket Cams 7-7201 M8 Roller Rocker Arms control-hydraulic-clutches-hydraulic-clutch-reservoir-covers 2001-2005 Vespa ET4

2001-2005 Vespa ET4

Console & behind the seat heat shield

12 volt diaphragm 1

2016-2017 Arctic Cat ZR 7000 LXR 137

Rocket Cams 7-7201 M8 Roller Rocker Arms control-hydraulic-clutches-hydraulic-clutch-reservoir-covers 2001-2005 Vespa ET4Forged from 8620 steel for greater strength. Rollers eliminate thrusting on valves for decreased wear on the valve train. Rocker geometry (1. 640 ratio) is better suited to high lift cams. Bushings are 50% longer than stock, increasing time between rebuilds. Larger surface area on the thrust surfaces reduces wear on the heads. Oil is sprayed directly on the valve springs, reducing potential for breaking a valve due to over heating (stock rockers tend