COMP Cams 127300 XFI VSR 222/235 Hydraulic Roller Cams for Ford 4.6/5.4L Modular 3 Valve

A hydraulic roller camshaft for Ford 4.6L and 5.4L SOHC modular 3-valve 8-cylinder engines, the COMP Cams 127300 XFI VSR series cam requires matching valve springs and delivers solid power gains above 4600 RPM with a distinctive idle. Fits 12 Avanti, Ford, Lincoln and Mercury vehicles from 2004 to 2014 with the 4.6L V8 and 5.4L V8, including the 2005-2014 Ford Expedition and Lincoln Navigator and the 2006-2010 Ford Explorer and Mustang and Mercury Mountaineer. Full vehicle list below. This serious street grind achieves 261 degrees advertised intake duration and 268 degrees advertised exhaust duration, lifting the intake valve 0.491 inch and exhaust valve 0.48 inch. The camshaft requires a valve spring upgrade and custom engine tuning for best results. The 1-bolt gear attachment and billet steel construction provide durability. Lifters and assembly lubricant are not included. Pairs optimally with 3.90 gears and 3000-3300 stall speed torque converter.

• Usage: Street/Performance
• Lobe Separation: 115.5 deg
• Intake Valve Lift: 0.491 IN
• Exhaust Valve Lift: 0.48 IN
• Lifters Included: No
• Valve Springs Required: Yes
• Assembly Lubricant Included: No
• Camshaft Gear Attachment: 1-Bolt
• Camshaft Material: Billet Steel
• Lifter Type: Hydraulic Roller Swinging Follower
• Camshaft Series: XFI VSR (Valve Springs Required)
• Cam Type: Hydraulic Roller Swinging Follower
• Grind Number: XE261H-15.5
• Basic Operating RPM Range: 950-6,400 RPM
• Intake Duration at.050 Inch Lift: 253 deg
• Exhaust Duration at.050 inch Lift: 270 deg
• Advertised Intake Duration: 261 deg
• Advertised Exhaust Duration: 268 deg
• C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.