Brian Tooley Racing HD Single Roller Timing Chain - GM LS-Series 1997-2009 8478 Requires software version 4

Requires software version 4

equipped with an innovative top seal Kevlar ® strap and D-Ring fastener designed to control the spread of a fire from underneath the car into the cockpit area

1990-1991 GMC R3500

All springs are then shot-peened to eliminate residual surface stresses

Brian Tooley Racing HD Single Roller Timing Chain - GM LS-Series 1997-2009 8478 Requires software version 4Product Description: Timing Chain Single Roller GM LS Series 1997 2009 Sold Individually Brian Tooley Racing (BTR) started as a small operation fueled by Brian Tooley's passion for engine performance and innovation. In the early 1990s, Tooley began his journey in the performance industry by working on cylinder heads and founding Total Engine Airflow (TEA). Eventually, he shifted to creating custom parts for enthusiasts, leveraging his expertise to