BBK Tuned Length Shorty Headers - 1.75 in Primary - Stock Collector Flange - Titanium Ceramic - GM LS-Series - GM Truck 1999-2009 - Pair 42020R 6 or 8-cylinder engines with

6 or 8-cylinder engines with inductive ignitions

Spring has superior durability and replaces the stock spring in Ford 9" rear ends with Detroit Lockers

30 x 9-1/4 x 3/32 in

12 x 18 x 1/16 in Thick

(2) Bearings

BBK Tuned Length Shorty Headers - 1.75 in Primary - Stock Collector Flange - Titanium Ceramic - GM LS-Series - GM Truck 1999-2009 - Pair 42020R 6 or 8-cylinder engines withThese 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