426 intake valve sizes

2 replies to this topic
  • 84rm250

Posted December 12, 2009 - 10:02 AM


I beleave, correct me if i'm wrong but on the 3 intake valves the two out side ones are shorter then the inside one..? does anyone know the sizes? i think the longer ones are around 3.32? and short one somwhere like 3.13??

Any help would be awsome, thanks again TT

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  • grayracer513

Posted December 12, 2009 - 10:23 AM


Don't know the lengths, but the center is always the shorter one. Due to the dome shape of the the combustion chamber, the center valve seat is higher, and closer to the cam.

  • 84rm250

Posted December 12, 2009 - 10:25 AM


Hmm, guess i was ass backwards. thanks!

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