THIS POSTING IS FOR A NORTHSTAR ENGINE FROM A OLDSMOBILE AURORA. THIS IS A 4.0 ENGINE THAT WAS PULLED FROM A WRECKED VEHICLE WITH ONLY 92K MILES ON IT. THIS IS A GOOD RUNNING ENGINE THAT DOES NOT SMOKE, TAP, KNOCK, RATTLE, OVERHEAT OR HAVE ANY PROBLEMS. IF YOU HAVE ANY QUESTIONS OR WOULD LIKE TO KNOW MORE PLEASE CALL OR TEXT ME @ .