re
yea they hold up to way more power then i am making,my motor is all stock,but most people put a cam rockers and heads on them and make well over 500 to the wheels.the guy who tuned my car has a fwd gand prix that runs 9's in the 1/4 mile on the stock short block.these motors are 8.5 to 1 compression and have 4 bolt mains from the factory and are truely amazing for a v-6.my car should run high 11's to low 12's with slicks and rides so nice. my buick believe it or not pulls harder then my 03 cobra