Comp Cams - 4V XE-R Supercharged & Nitrous XE258BH-116 Street Performance w/ Excellent Torque
1999-2004 SVT Cobra
2007-14 SVT Shelby GT500
Comp Cams "Street-Supercharged-Nitrous"
Comp Cams has a variety of bumpsticks for the DOHC Modular Motor with a range of grinds to suit your performance goals and driving style. Sold as set of Four. Review the specs below.
427-106260 - Street, Supercharged, Nitrous
No Computer Modifications Needed.
MUST USE: Upgraded valve springs
RPM Range: 1200-5800
Valve Lift: .475/.450
Advertised Duration: 277/275
.050 Duration: 257/259
Lobe Separation: 114 Degrees