bradabu

im installing arias 11:1 forged pistons into my b16. stock bore 81mm and im wanting to know what to get the rings to? 1st and 2nd?

thanks

bigwheel1983

could you not contact the manufacturer?

PhillyDelSol

The measurements should be in the package with the rings. If not do what bigwheel says and contact manufacturer.

bigwheel1983

the rings might even be pre-gapped!

have you measured them yet?

bradabu

i called the manufacturer and they said there not pre-gapped

bandit67

Very open ending question. You want the gap a small as possible without the ends EVER touching. This is where the maker comes in. What type of material are they made of, what is the application. Boosted creates more heat, as does nitrous, more gap. Hi compression can mean more heat.....track car or street. At the very least a machine shop that bores, builds, supplies kits should be able to supply the manufactures guidelines if no paperwork on pistons can be acquired.