Proflow Header Bolts, 5/16'' Hex Head, Tight Access, 3/8''-16 x 1.00'', Stainless, SS304, 0.527'' OD Washers, Set of 16

Proflow tight access header bolts, available in Chromoly or Stainless steel with small diameter washers are the pefect choice when you have large tube headers with very little spanner access to tighen pipes. Once you purchase a set of these it will be hard to go back to using traditional 3/8 headed

Part number: PFEEHBST-1