XFI (Xtreme Fuel Injection) Newest & quickest lobe profiles in the Xtreme family; provide a terrific increase in performance. Tuned for use in EFI applications where extra air flow signal through the carburetor is not required (feature wider lobe separation without loss of responsiveness). Work well with aftermarket cylinder heads & feature high lift.
- Cam Style:
- Hydraulic roller tappet
- Basic Operating RPM Range:
- 1,400-6,700
- Intake Duration at .050 inch Lift:
- 212
- Exhaust Duration at .050 inch Lift:
- 218
- Duration at .050 inch Lift:
- 212 int./218 exh.
- Advertised Intake Duration:
- 265
- Advertised Exhaust Duration:
- 271
- Advertised Duration:
- 265 int./271 exh.
- Intake Valve Lift with Factory Rocker Arm Ratio:
- 0.558 in.
- Exhaust Valve Lift with Factory Rocker Arm Ratio:
- 0.563 in.
- Valve Lift with Factory Rocker Arm Ratio:
- 0.558 int./0.563 exh.
- Lobe Separation (degrees):
- 115
- Computer-Controlled Compatible:
- Yes
- Material:
- Billet Steel
- Camshaft Gear Attachment:
- 3-bolt
- Valve Springs Required:
- Yes
- Grind Number:
- XR265HR
- Camshaft Manufacturers Description:
- Hydraulic Roller - XFI RPM HI-Lift: Great street cam with very wide power range, good drivability and excellent
- Quantity:
- Sold individually.
- Notes:
- Requires custom computer tuning.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
- Engine Sizes:
- 4.8L/294-7.0L/427
- Years:
- 1997-2019