24 May 2016 by Jeremy Evrist Comments are closed SPK. PLUG TUBE O’RING View cart “1-BA-4/8 EXHAUST SEAT” 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- INNER HEAD STUD -.500 $4.49 Add to cart 1-BA-4/9 SPCL B5 BRNZE IN SEAT $56.90 Add to cart BLOCK-OFF BOLT $3.80 Add to cart 1-HEADER STUD, 1 3/4 FUEL TYPE $1.05 Add to cart