Andrews 288167G 67G Gear Drive Camshafts

Gear drive uses less engine power to operate and improves valve timing accuracy over stock chain drive camshafts. Dynamometer comparisons show gains of 4 horsepower over chain drive camshafts. Can be installed on both carbureted and fuel injected models (exc. 2006 Dyna). Hi-lift springs. Performance cams for 95-107+ inches,.10.0 to 10.8 c. r. with high flow head setup. (2600-6400+ RPM). NOTE: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance. NOTE: Sold as cams only, inner and outer gear kit and installation kit must be purchased separately. NOTE: Requires spring spacing Gear drive uses less engine power to operate and improves valve timing accuracy over stock chain drive camshafts. Dynamometer comparisons show gains of 4 horsepower over chain drive camshafts. Can be installed on both carbureted and fuel injected models (exc. 2006 Dyna). Hi-lift springs. Performance cams for 95-107+ inches,.10.0 to 10.8 c. r. with high flow head setup. (2600-6400+ RPM). NOTE: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance. NOTE: Sold as cams only, inner and outer gear kit and installation kit must be purchased separately. NOTE: Requires spring spacing Intake Opening (degrees): 24. Intake Closing (degrees): 48. Exhaust Opening (degrees): 58. Exhaust Closing (degrees): 22. Intake Duration (degrees): 252. Exhaust Duration (degrees): 260. Intake Lift (in): .570. Exhaust Lift (in): .570.