First off....BIG thanks to Cody(1slow01z71) for meeting me halfway so i could pick them up!!! Bought a set of PRC stg 2.5 5.3 heads. they have 2.055int, 1.60exh valves....yes, a 1.60 exh valve, and 61cc chambers!! One head just needs an exh valve, which he is getting tomorrow morning from Texas Speed. Cant wait to have these babys on my LS1. It is really going to wake this thing up!!!!! They are going on labor day weekend! Me and a few buddies are going to the track Sept. 26th, so i will have times then. Thanks again Cody, I greatly appreciate everything!!

 

I have the same heads on my LS1 in my rcsb with a tiny 212/216 cam and it never quits pulling..I havn't found a isolated road long enough...They should really shine with your cam! Now that Justin is back in San Diego..we are going to dyno/street tune anyhow..
You are going to love the extra power/ extended power band..

 

sweeeeeet!!! that's why im glad i put in arp rod bolts. I foresee 7000 rpms a lot!!!!

 

Awsome heads for the cash. They really shine up top.

 

Yeah, I was thinking along the same lines when I did my build/swap..arp bolts , Ti retainers , hardened pr's , etc.. and beleive me..6800-7000 should not be a problem! Can't wait till I dyno........

 

Cant wait to see some videos and timeslips!

 

Awesome bro cant wait to see it at the track...

 

damn i cant wait for this weekend!!! my heads are going on, along with the new SLP 160 t stat, and trick flow ud pulley kit!!!! should really wake the ls1 up. all i want is to be between 390-410 rwhp, and in the 12's..... on motor

 

I'm jealous! Good luck!

 

Good luck, the thermostat is a bad idea.