Moroso Mag-Tune Plug Wire Set BB Chevy Straight HEI Front Crankshaft Seal They improve throttle response and

They improve throttle response and fuel economy / and reduce fouling

Some kind of driveshaft loop is required by all sanctioning bodies to contain the driveshaft in the event of U-joint or driveshaft failure

11/16 in 12 Point Head

Steel spacer is

Standard Journal

Moroso Mag-Tune Plug Wire Set BB Chevy Straight HEI Front Crankshaft Seal They improve throttle response andProduct Description: Spark Plug Wire Set Mag Tune Spiral Core 8. 0 mm Black Straight Plug Boots HEI Big Block Chevy Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment, air cleaners, hard core racing tools,