COMP Cams 127400 - Camshaft Set F4.6 3V XE256Ph
XFI SPR 221/228 Hydraulic Roller Cams for Ford 4.6/5.4L Modular 3 Valve
Powerful cam with great idle, excellent upgrade over stock. Good torque down low with powerful mid-range. Solid power gains above 4500 RPM, requires spring and phaser upgrade. Requires custom tuning. Stock gears and converter ok.
Exhaust Valve Lift: 0.538
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 1-Bolt
Camshaft Material: Billet Steel
Engine Family: Ford 4.6L and 5.4L SOHC Modular 3 Valve 8 Cylinder (2004+)
Lifter Type: Hydraulic Roller Swinging Follower
Amazon ASIN: B001O066XK
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?: No
C.A.R.B. Exemption Reason: N/A
C.A.R.B. E.O. Number: N/A
Grind Number: XE256PH-12
Camshaft Series: XFI SPR (Spring and Phaser Modes Required)
Usage: Street/Strip
Cam Type: Hydraulic Roller Swinging Follower
Grind Number: XE256PH-12
Basic Operating RPM Range: 900-6,700
Intake Duration at .050 Inch Lift: 221
Exhaust Duration at .050 inch Lift: 228
Advertised Intake Duration: 256
Advertised Exhaust Duration: 267
Lobe Separation: 112
Intake Valve Lift: 0.523