Comp Cams "Naturally Aspirated-Hi-Perf.Street" 99-04 Cobra/Mach1

Comp Cams "Naturally Aspirated-Hi-Perf.Street" 99-04 Cobra/Mach1



Comp Cams has a variety of bumpsticks for the DOHC 4.6L Modular Motor with a range of grinds to suit your performance goals and driving style. Sold as set of Four. Review the specs below.



427-106300 - Naturally Aspirated- Hi-Po Street



No Computer Modifications Needed.



Excellent Torque & Horsepower Gains



MUST USE: Valve Spring Kit # 26123-32



Noticeable Idle



RPM Range: 1500-5800



Valve Lift: .425/.450



Advertised Duration: 261/259



.050 Duration: 226/224



Lobe Separation: 114 Degrees