You are buying a pair of SU " SM " carburetor needles that will make your ( fits ) Datsun 240Z or 260Zc ome alive. Also fits some Triumph models with SU H6 carburetors. Check with your buddies or read up on the Z car forums to see what others are saying about them. I've sold quite a few pairs of these to happy Z owner's until the powers to be Ended my listing ( including sales history ) for not using the word "fits" in my former listings. 

$7 SHIPPING ( 50 STATES , PR ).