S&S GEAR DRIVE 550G CAM CHEST KIT 17'-LATER M8 MODELS- CHROME, WATER COOLEDS&S GEAR DRIVE 550G CAM CHEST KIT 17' LATER M8 MODELS CHROME, WATER COOLED High lift cam for maximizing peak torque and horsepower! Designed to make higher RPM power in conjunction with big bore kits. 3000rpm Redline Crank shaft runout must be 0. 005" or less Oil Pump Cam Plate Precision Machined from Billet Aluminum Blue Anodized Finish Passage Plugs Removeable for servicing Independent Scavenge Sections for Flywheel Cavity and Cam Chest Debris