Supertech steel dual valve spring seats for Honda K-series and F20C/22C DOHC VTEC engines.
Engine Applications
- K20A – JDM EP3/DC5/FD2 Type-R Engine
- K20A2 – 02-04 RSX Type-S
- K20Z1 – 05-06 RSX Type-S
- K20Z3 – 06-11 Civic Si
- K24Z2 – 04-08 TSX
- F20C/F22C – 00-09 S2000
16pc steel spring seat set.
K-series Note:
This is a required component when converting a factory single valve spring equipped K20A2/Z1/Z3 engine to dual valve spring. Dual valve spring retainers and keepers are required as well to complete the conversion. None of the factory single valve spring valve-train components are compatible with a dual valve spring upgrade.