Version 2 has tighter tolerances that make a tigher seal than any other available part on the market.  A part to pass spark plug leads through the baffle.   Sized for standard 5MM leads.  Similar hole spacing to Sick baffle seal except screw holes are sized for #8 vs. Slick size #10.   Holes can be enlarged if required to #10 size by drilling.  250F Maximum temperature.  This is for one set.  One set is two halves fitted together.  
 
Material: Nylon/Carbon Fiber