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Comp Cams 3v XFI SPR XE272PH-12 Stage 3 NA Cams

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Product Description

XFI™ SPR Modular 3V Camshafts

The COMP Cams® XFI™ SPR (Springs and Phaser Mods Required) Camshafts are the best way to achieve the most horsepower and torque increases possible with the popular Ford 4.6L/5.4L Modular 3 Valve engines. This last group of cam sets is available for both naturally aspirated and supercharged engines, and each version is offered in three performance levels. Designed to work with a modified Ford variable cam timing (VCT) system, these camshafts are direct replacement components. Working with the required COMP Cams® Cam Phaser Limiter Kit (Part #5449; patent pending), these XFI™ SPR Cams optimize both low and high rpm performance. As noted by the COMP Cams® engineering staff during extensive dyno testing, these camshafts provided the biggest power and torque improvements of any cam series they’ve ever tested in the Ford Modular 3 Valve engine. SOHC-(Stage 3) Max effort street/strip cam with very rough idle, needs ported heads. Good mid-range with incredible power up to 7000+ rpm. Solid power gains above 4900 rpm, requires spring & phaser upgrade. Custom tuning required. 4.10+ gears and 3200+ stall.

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