Moroso Ultra 40 Spiral Core 8.5 mm Spark Plug Wire Set - Red - Straight Plug Boots - GM LS / LT-Series 73741 230-9983 Inserts are used in place Size:9 Made From 6061 T6 DRSDRAUMP9.5.5.00.600 2010049

Inserts are used in place of restricting inserts allowing full throttle operation without restriction

Circulate fresh air through your cab to sweep away stale

and it comes with two adapters for a universal fit on all engines

American engineered and manufactured

please purchase qty 10 of YSPBLT-027 spacers

Moroso Ultra 40 Spiral Core 8.5 mm Spark Plug Wire Set Red Straight Plug Boots GM LS LT Series 73741 230 9983 Inserts are used in place Size:9 Made From 6061 T6 DRSDRAUMP9.5.5.00.600 2010049 Inserts are used in place of restricting inserts allowing full throttle operation without restriction Circulate fresh air through your cab to sweep away stale