Rob C

is it possible to put vtec on a 2.3 h23a prelude?

if so what is needed?

flatblack-h22

yea.

h22a head 93+(USDM) or 92+ (JDM) with all internals and valve cover
h22a thermostat housing
h22a waterpipe
h22a waterpump
h22a headgasket
h22a lower crank gear
h22a timing belt
h22a headbolts
h22a plug wires
h22a intake manifold (injectors perfered)
h22a header and downpipe
h22a cam gears
h22a top timing belt covers
h22a power steering braket (h23 doesn't line up right)

street_ride14

H23A is VTEC already.

Do not confuse USDM non-VTEC H23a1 with JDM VTEC H23a.