400ex motor built sparksracing 440 national motor

[easman31]

400ex motor built by sparksracing to a 440 national motor. Motor is very fast. Ported by curtis sparks, has ti valves all the way around. Agressive sparks racing cam. Carillo rod, hardened rockers. See sparksracing.com for 440 national motor specs and thats all been done. Has small crack in front of cases. but the head and internal parts are all fine. Has about 12 hrs on it. . Replace case and you have a ripping fast motor. need to sell asap, TXT 602-524-2469 for pics/info/make offer or pm,

[SHIFTx450]

How did you crack the front of the case?

[easman31]

very common weak link on a ex motor when there putting out alot of hp..replace case and your all set

[Johnb427]

Are you willing to sell the head alone?

[easman31]

Would prefer to sell complete, but if price was right I would consider selling complete topend, txt 602 524 2469 and shoot me an offer, thx