Moroso Ultra 40 Spiral Core 8.5 mm Spark Plug Wire Set - Black - GM LS-Series / LT-Series MPPBTH-201-08 looking at the actual run

looking at the actual run time is the best way to determine when critical services need to be performed

Airtight sealing allows the engine to pull greater vacuum for improved ring seal and power

Holley 4150 / 4500 Carburetors

(Bracket and Bolt Kit shown not included)

2 square-inch runners

Moroso Ultra 40 Spiral Core 8.5 mm Spark Plug Wire Set - Black - GM LS-Series / LT-Series MPPBTH-201-08 looking at the actual runProduct Description: Spark Plug Wire Set Ultra 40 Spiral Core 8. 5 mm Black GM LS Series LT Series Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 3000 products, from Moroso oil pans and Moroso oiling systems, to Moroso ignition wire, Moroso ignition components, Moroso valve covers, Moroso fuel system equipment, Moroso air