BBK Exhaust Headers - Shorty 1-3/4 6.0L Chevy Truck/SUV 7000101 The ZK-40 was designed for

The ZK-40 was designed for use in races where a CIK-FIA approval was not required

6 AN Female O-Ring Return / Vent

Fasteners weigh a total of 90 grams

Floor mount for latch type restraint systems

BBK Exhaust Headers - Shorty 1-3/4 6.0L Chevy Truck/SUV 7000101 The ZK-40 was designed forThese BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 99 09 GM Truck and SUV 6. 0L applications. Each header is manufactured with 1 5 8 CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds. BBK tuned Length headers offer improved scavenging waves for better combustion, which leads to improved performance and fuel