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Competition Cams

Comp Cams- Blower XFI SPR 3V Cams Stage 1

$979.95
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SKU:
CCA-127450
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Springs and Phasers REQUIRED
 
Cam Style: Hydraulic roller follower
Basic Operating RPM Range: 1,500-6,700
Intake Duration at 050 inch Lift: 229
Exhaust Duration at 050 inch Lift: 240
Duration at 050 inch Lift: 229 int./240 exh.
Advertised Intake Duration: 264
Advertised Exhaust Duration: 279
Advertised Duration: 264 int./279 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.535 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.555 in.
Valve Lift with Factory Rocker Arm Ratio: 0.535 int./0.555 exh.
Lobe Separation (degrees): 113
Computer-Controlled Compatible: Yes
Grind Number: XE264PH-13
Valve Springs Required: Yes
Quantity: Sold as a pair.
Notes: Fits 3V SOHC engines only, requires phaser upgrade and custom tuning.

The COMP Cams XFI SPR Ford 4.6L/5.4L modular 3V (Springs & Phaser Mods Required) camshafts are the best way to achieve the most power and torque increases possible with the popular Ford Modular 3V engine. These designs are the next step up from the COMP Cams VSR (Valve Springs Required) cams. When compared to the VSR cams, the SPR cams offer additional mid-rpm power increases as well as substantial power gains in the higher rpm ranges. In addition to increases in horsepower, you can also expect another 800-1000 rpm of useable engine speed and an awesome sounding idle lope to match.
To achieve this extra level of performance, lobe profiles and timing events were specifically designed to work with the factory variable cam timing (VCT) system cam phasers for all 2005 and newer Ford Modular 3V engines. These cam phasers were modified with the required COMP Cams Cam Phaser Limiter kit to restrict their movement to no more than 20 degrees. This simple modification gains additional piston to valve clearance, allowing for much larger cam designs. This results in cams that not only maintain low and mid-range power, but have incredible high rpm performance as well, all while maintaining the benefits of cam phasing. 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 3V engine.