Hydraulic Roller - Xtreme Fuel Injection (XFI): Excellent torque for throttle body 305 or 350. Good economy with added power.
COMP Cams Xtreme Fuel Injection (XFI) 252XFIHR-13 Camshaft for Small Block Chevrolet Engines Originally Equipped with Hydraulic Roller Cams
Hydraulic Roller - Xtreme Fuel Injection (XFI): Excellent torque for throttle body 305 or 350. Good economy with added power.; 252/264 Advertised Duration, 202/212 Duration .050", .550"/.546" Lift, 113 Lobe Separation; 1000 to 5000 RPM range; Recommended use with 1.6 rocker arm ratio; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump
Fits '87+ GEN 1 Chevrolet 305-350 Small Blocks w/ Factory Roller Camshafts (Not LT-1/LS1 etc)
