Check out the west coast cylinder head stage 1 5.3 heads, they sound like what youre looking for.

 

Where is info on these heads? I didn't see any on their site.

 

Hey guys I an think 5.3 with some ls6 heads reverse split tr227 cam Coan 3400 stall .373 gears with a locker would this be a good setup ? I currently have the stock ls6 heads and am tight on money is it really worth it to send the heads off and get them milled ? If so how much and est cost ? Thanks again

 

Sorry didn't mean to invade ur tread I was tring to start a new one damn I phone messed me up