lost #4 ex valve seat and ruined piston, but didnt hurt cylinder wall, i almost have the engine out now, i will buy stock common rail pistons and have them fly cut and ceramic coated, haisley machine wants to build my cylinder head, with 60 lb springs, i want to run a helix cam, all of the pistons were really clean but heat has taken its toll so i will replace them, will it be worth it to balance and blue print, the engine only has about 65,000 miles on it, i am open for expierienced sugestions, positive or negative, if you know of a better combo let me know!!! 
