24 May 2016 by Jeremy Evrist Comments are closed SPK. PLUG TUBE O’RING View cart “1-HEADER STUD” has been added to your cart. $0.37 Call for current price SPK. PLUG TUBE O'RING quantity Add to cart SKU: BA0ASPTO Categories: Cylinder Head Components, Cylinder Head Components Related products 1-BA-4/8 INTAKE SEAT $12.00 Add to cart 1-BA-4/8 EX GUIDE, STEEL $8.00 Add to cart 1-INNER HEAD STUD WASHER $1.28 Add to cart 1-SET BA-5 CNC HEADER FLANGES $265.00 Add to cart