Titanium Protect-a-boot 6" 3/4" ID 2-pk ronstan ball bearing series 40 - fiddle universal head and high temperature environments

and high temperature environments

Includes a choice of cast alloy or cast stainless steel filter head

700 fixture lumens light output

these are  3/8 unc into head reduced to 5/16  manifold studs while port alignment with cylinder heads is the same the clearance for a larger stud and nut makes them difficult to fit

Titanium Protect-a-boot 6" 3/4" ID 2-pk ronstan ball bearing series 40 - fiddle universal head and high temperature environmentsProtect A Boot, Plug Boot Heat Shields, Titanium, 6 inch Long, 2 pc Titanium spark plug boot protectors are the latest in thermal protection technology. Mined from lava rock, stranded and woven into a proprietary weave, Titanium boot protectors are engineered to withstand extreme temperatures up to 1800 degrees F of direct heat. Ultimate protection for spark plug boots & wires Strong, durable & long lasting construction Resistant to chemicals,