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.
For LS engines with large camshafts, Livernois Motorsports recommends our dual valve spring kit, which includes springs capable of .690 lift!
Install Height: 1.820
Max. Valve Spring Lift: .690
Spring Pressure Closed: 150lbs
Spring Pressure Open: 382@.620 / 410@.680
Coil Bind: 1.100
Retainer Material: Titanium
Note: Valves NOT included in kit