check www.performancetrucks.net or www.houstonperormancetrucks.com the 410 is down and being rebuilt, putting a ls2 in it for now, shooting for a 10.9x pass NA on a stock shortblock, the 410 will be ready within a month but thnk im gonna hold off for a bit, i had a valve break with 2 springs which took out the head and one piston.. all parts or ordered gonna go with the LSA heads this go round though..