COMP Cams Valve Springs Ford 4.6L 2 Valve - 26113-16

Performance Street 1.061" OD Beehive Spring; 1.570" Installed Height; 16 SpringsCatalogUser 1This Part Fits:YearMakeModelSubmodel1997-2000FordE-150 EconolineBase1997-2000FordE-150...

Comp Cams 4.6/5.4 XE278Ah-13 - 102700

These are the most aggressive of the Comp 2v offerings.  4.30-4.56 gears are recommended and if used with an auto trans, a 4k stall or higher will be required.Xtreme Energy™ 242/246...

Comp Cams 4.6/5.4 XE274H-14 - 102300

These are a moderately aggressive cam set for NPI heads due to their .500" lift limit.  We do no recommend these for PI heads.   Xtreme Energy™ 236/240 Hydraulic Roller Finger...

Comp Cams 4.6/5.4 XE268H-14 - 102200

These cams are designed for NPI heads as their lower lift does not result in any valvetrain binding.  They can be used in PI heads, but the power will suffer due having only .500 lift. Xtreme...