POWERSTORM captured roller trunion rocker arms are designed for high RPM use in GM LS engines. This set includes 16 straight [not offset] GM LS style rocker arms with a captured roller trunion kit installed into them. By intalling these larger captured roller trunion these rockers can handle more spring load and RPM's compared to stock. Straight rocker sets are for LS1, LS2 and LS6 engines and work well with other Powerstorm products like our LS rocker arm bases, heads, cams, pushrod and C5-R timing chain sets.
Every Livernois Motorsports engine component is engineered and assembled to work seamlessly as a package solution. All Livernois piston, rod, crankshaft, bearing, and fastener choices are designed to provide exceptional durability and unmatched precision. Livernois produces meticulously crafted, precision engines with custom-designed components built from decades of racing and engineering knowledge.
Livernois Motorsports & Engineering has become best-known for revolutionary tuning and high-end performance products for late model Ford, Mopar and GM vehicles. The company is proud of its deep roots in the automotive and motorsports industry dating back to its original founding in 1949. Since then the company has expanded its product line to include tuning and performance components for desert racing, SCCA and drag racing. Livernois Motorsports is proud to engineer, test and manufacture its products in the USA.
Powerstorm captured roller trunion rockers are designed for high RPM use and are 1.7 ratio designed to directly replace the rocker arms on all LS1, LS2 and LS6 rockers and fit on most 4.8, 5.3 and 6.2 liter engines.