Will work on any OEM Honda K-Series thermostat housing.
For the S2000-
Designed to route your heater hose to the upper firewall crossover pipe (retaining the top bleed port).
Kit Includes:
6061 alluminum adapter
1x O-ring.
Stainless Steel retaining bracket.
20in of 5/8 3ply EPDM Coolant hose
2X Hose clamps.