Sparco 600 Series Left Side Seat Base Mitsubishi EVO X Vehicle Model_Baja Whiteline Overall Benefits:

Whiteline Overall Benefits:

0005" matallurgically enhanced and hardened performance overlay for extended fatigue resistance

So for instance

Standard-size valves = no machining required in most OEM rebuilds

Sparco 600 Series Left Side Seat Base Mitsubishi EVO X Vehicle Model_Baja Whiteline Overall Benefits:Part #: 600SB014L Sparco Seat Bases utilize the factory seat mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat. All seat bases are vehicle specific and provide a 100% bolt in installation. The 600 Series Sparco seat base is constructed with 3 16" thick steel to provide a strong flex free mount. In addition to the mouting holes provided for standard bolt on installation, the Sparco base has a wide metal platform to