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
RPM Range: 1500-5800
Valve Lift: .425/.450
Advertised Duration: 261/259
.050 Duration: 226/224
Lobe Separation: 114 Degrees