Hooker BlackHeart Jeep 4.0L Short Header 1-1/2 00-06 Wrangler TJ Chassis Tube End Optimized runner layout and constant

Optimized runner layout and constant cross sectional area - broad torque curve

COMP Cams Ovate Wire Springs are constructed from oval shaped wire as opposed to round

Borgeson Double U-Joint 3/4"-36 x 3/4"-36 23434

these Top End Kits are performance-proven

These cast aluminum valves covers these may be slightly taller than OEM

Hooker BlackHeart Jeep 4.0L Short Header 1-1/2 00-06 Wrangler TJ Chassis Tube End Optimized runner layout and constantUtilizes true mitered merge collectors designed to maximize exhaust velocity and scavenging while reducing any unwanted turbulence Constructed from heavy duty, 14 gauge, mandrel bent, stainless steel maximizing strength and durability Uses 1 2" thick, head flange for durability and an optimum sealing surface Retains factory O2 sensors and catalytic converters 100% quality hand welded construction for strength, longevity and good looks 100% bolt on