Amazon Price: $17.25 (as of July 25, 2018 7:11 pm -
M14x.125×16.8mm spark plug inserts by Time-SertRequires kit 4412E or 4412 to install this insert.Used in Honda Acura Toyota BMW and others.for spark plugs that are 14×1.25 3/4 reach Washer style.Quantity includes (5) pcs. Requires kit 4412E search# ( B00I1OHFL4 ) or 4412 short version kit search #( B00IZKYTO0 )