best 4.6 2v blower cam
The first thing that struck me about this COMP Cams 127650 XFI SPR Blower 245/256 Hydraulic Roller wasn’t just its aggressive specs but how it transforms a stock 4.6 2V engine. After hands-on testing, I noticed its brutal mid-range power kicks in around 4900 RPM—perfect for a street beast that needs real torque without sacrificing … Read more