how can i tell if it's a 550cc injectors? i know 450cc's are blue. is it worth it for 100 bucks?
It'll go on an H23 prelude motor. with a dsm kit. anybody?

 

If they're 550cc they'll be aftermarket. If they're PTE or any of the variants; they'll have the numbers etched into them. If they're RC then you'll be able to tell for sure. If they're stock injectors then they're not 550cc though. Evolution 8-9 pink tops are 560cc.

 

yeah bro, sort everything out! i was trying to buy injectors from a guy on craigslist. he was selling a set of RC550, i thought he was selling the stock 3000gt vr-4 injectors which i think was in 500 series or what ever. bought it anyways for 100 dollars then he busted out a set of black top 450CC, he's like i dunno what these are. he said "i dont want to hold on it anymore. 40? nope 20? since you bought my injectors!" i was like ---- yeah! so 120 dollars for a set of rc550 and DSM black top 450cc.