63412 Stage 2 - Road/Rally & Street/Strip. MOST POPULAR for all-motor applications. Requires 84161 spring/retainer kit. VTEC controller recommended. rpm 1000-8300+. (18-21 hp) Int-297 mid Exh-287 mid Int-248 mid Exh-240 mid Int-.466 mid Exh-.465 mid
I've got a set of these for sale...$550 shipped.