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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
these Top End Kits are performance-proven
These cast aluminum valves covers these may be slightly taller than OEM
COMP Cams Ovate Wire Springs are constructed from oval shaped wire as opposed to round
Ultra Lightweight for Reduced Unsprung Mass
Hooker BlackHeart Jeep 4.0L Short Header 1-1/2 00-06 Wrangler TJ Chassis Tube End these Top End Kits areUtilizes 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