24 May 2016 by Jeremy Evrist Comments are closed SPK. PLUG TUBE O’RING View cart “1-7/16 12 POINT NUT” 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-3/6 Head Gasket $41.70 – $75.66 Select options 1-BA-4/8 INTAKE SEAT $12.00 Add to cart 1-BA-4/8 INTAKE GUIDE $8.00 Add to cart 1-HEADER STUD $0.79 Add to cart