We've put this complete and custom Supertech valvetrain combo together especially for K-series enthusiasts who are looking to upgrade their valvetrain.

This kit is mainly aimed for K-series folks who have factory equipped single valve spring valve-train, but is also compatible with K-series engines equipped with factory dual valvespring valve train as well.

Combo contents:

Supertech 32pc dual valve spring set (optional spring pressures available)

Supertech 16pc steel spring seats

Supertech 16pc titanium retainer set

Supertech 32pc keepers (stamped OEM style)

Engine application this combo applies to:

K20A (01-06 JDM Civic & RSX Type-R - dual spring equipped)

K20A2 (02-04 RSX Type-S - mid '03-04 single spring equipped)

K20Z1 (05-06 RSX Type-S - single spring equipped)

K20Z3 (06-11 Civic Si - single spring equipped)

K24A2 (04-08 TSX - dual spring equipped)

F20C/F22C (00-09 S2000 - dual spring equipped)

Please note that none of the factory single-spring valve train (springs, retainers, keepers, and seats) is compatible with a dual-valve spring upgrade.

Supertech Dual Valve Springs:

Supertech performance valve springs are made with premium Superclean Chrome Silicon Vanadium Steel Alloy for higher performance and durability. Computer designed to ensure that wire stress levels do not overpass the limits for long durability under extreme conditions and harmonics are well under control.

Supertech Titanium Retainers

Supertech titanium retainers prevent valve float and strength up your valvetrain. Retainers are CNC machined from 6AL4V grade titanium.