These are 6 bolt heads but can be assembled on a 4 bolt block with no issues. Assembled with PAC .700 lift springs and 71cc chamber from TEA. I also have brand new ls3 offset exhaust rockers and heads come with billet mounting plates.

Posting this link cause it has alot of good info on the heads!



New! Trickflow LS3 Heads! 382 CFM! - LS1GTO.com Forums

looking for a set of aftermarket cathedral heads between 205-235cc

 

Willing to sell?

 

What he said.

 

Yea, paid 2700, make an offer. Comes with new ls3 exhaust rockers.

 

Do you still have these?

 

so what do you want for these? have a set of LPE 243's (235cc intake i believe), the chambers are at about 64.5 cc. they have comp 918s on them now. let me know if you want to try and work something out.