Hot Cams Camshaft Intake (4278-1IN) ARCTIC CAT H1 550 EFI AUTOMATIC GS45's are the original equipment

GS45's are the original equipment on the Honda CRF80 & CRF100

GEAR WHEEL OIL PUMP

Each kit contains all of the bearings/bushings

ROTATION: COUNTER CLOCKWISE

6061 T-6 CNCd Billet Aluminum direct replacement throttle block assembly is smaller and stronger than stock

Hot Cams Camshaft Intake (4278-1IN) ARCTIC CAT H1 550 EFI AUTOMATIC GS45's are the original equipmentHot Cams Camshaft Intake Designed and dyno proven in the USA Engineered by utilizing state of the art valvetrain software One of the most economical, reliable and easy to install ways to add a 5 10% power gain Engineered to be drop in cams that use stock valve springs (unless otherwise noted) CNC machined from 8620 billet, case hardened steel for an exact fit and lobe profile Multiple stages to choose from for many of the most popular applications