American Racing: 2008-2010 Dodge Viper Gen 4 Long System Headers, 1-3/4" or 1-7/8" incurve The 378 cubic inch and

The 378 cubic inch and the 416 cubic inch engines do not require block sleeving

2010-2013 GMC Sierra 1500 Crew Cab/Short Bed 6

the ZH1 may be available in deep

Stage 1 - The wXm Sleeper-LT1CFG cam adds a more aggressive profile at wide open throttle while maintaining the stock sounding driveability

The weapon X5 package option 1 (from stock) includes:

American Racing: 2008-2010 Dodge Viper Gen 4 Long System Headers, 1-3/4" or 1-7/8" incurve The 378 cubic inch andAmerican Racing Headers: 2008 2010 Dodge Viper Gen 4 Long System, 1 3 4" x 3" or 1 7 8" x 3" Gen IV Viper owners looking for improved performance, quality and sound, look no further than ARH 2 piece long tube header systems. Manufactured entirely using the finest U. S. made 304 S S, your satisfaction is guaranteed. Product features on this system includes: 100% Made in the USA Never Outsourced Made entirely of 304 stainless steel 3 8" thick laser cut