UMI Performance 1999 - 2004 LS1/LS6 Aluminum Valve Cover Spacers.

UMI Performance valve cover spacers give you the extra clearance needed when running shaft mounted roller rocker arms on a LS1 based engine. Valve cover spacers bolt under the factory valve cover with no modifications and raises each valve cover a ½”. This eliminates having to purchase expensive high rise valve covers. Valve cover spacers are CNC machined from 6061 aluminum and include all necessary hardware and gaskets for installation.

Installation: Product includes all hardware and gaskets to complete the installation. Installation time is approximately 30 minutes.

DOES NOT FIT 1997-1998 LS1 HEADS