i translated some of the description................《主語なし》It becomes for エキ Thost of the big valve for SR20. 《主語なし》It becomes for an ultra 激 rare Pulsar GTI-R engine. 《主語なし》Because it is for RNN14 needless to say I think that it is able to use it for the N2 head of ニスモ. 《主語なし》It is an/the up about 1 mm umbrella diameter! A/the valve guide replacement becomes necessity to use because a/the material is the ♪ stem diameter of 6 mm that are a waist valve form a little 6 mm, stem diameter with ultra heatproof steel. 《主語なし》It is condition the merchandise saying good the new article of entirely, because take out from a/the bag due to photo shooting and be a request. The 3rd sheet a/the photograph becomes the comparison with a pure valve. 《主語なし》There is not the opportunity that uses it, although it is the good thing of condition very and think that be inexpensive for and want to display unbecause it is undue importance to discard. 《主語なし》It is the very rare parts that are not marketed generally. Who or please utilize it.