You're going to pay closer to $2000 for an rb25 swap. I paid $1800 shipped for my first motorset several years ago. All it saw was abuse and 490 rwhp for over a year until I got greedy with nitrous and pushed it to 615 rwhp on pump gas. Broke a ringland the next night while out racing. The current motor is another stock long block, down to the factory headgasket, which has been making 550+ rwhp through a th350 for about a year and a half now and runs mid 10's @ 134mph on pump gas and street tires. The rb25 is a strong motor and will make lots of power with just bolt-on's and a good tune.

JT