COMP Cams Camshaft Set XFI VSR Stage 1 For Naturally Aspirated Engines 4.6L 3V GT 2005-2010

For those hardcore enthusiasts looking to achieve substantial horsepower and torque increases and who aren't intimidated by having to upgrade their valve springs, COMP Cams offers a full line-up of XFI VSR (Valve Springs Required) Cam Sets for Ford 4.6L/5.4L Modular 3V Engines that offer as much as 40 HP increases over stock levels.

Available for both naturally aspirated and supercharged engines, these cam sets are also available in two stages. Designed to work with the Ford variable cam timing (VCT) system, these camshaft sets are direct replacements that bolt in without engine modification except the valve spring upgrade. By working with the VCT, which is programmed to retard the camshaft timing at peak power, COMP Cams XFI VSR Cam Sets for Ford 4.6L/5.4L Modular 3V Engines optimize both mid-range and high RPM performance.

Specifications:
-RPM Range 850-6200 (solid power gains above 4400 RPM)
-Duration: Intake 253/ Exhaust 270
-Duration @ .050" Lift: Intake 214/Exhaust 227
-Lobe separation (degrees) 114
-Intake centerline (degrees) 100
-Valve Lash Hydraulic
-Valve Lift: Intake 0.48/ Exhaust 0.47"