Moroso Ultra 40 Spiral Core 8.65 mm Spark Plug Wire Set - Sleeved - Blue - Straight Plug Boots - Socket - Over Valve Cover - Big Block Chevy Fuel System Additives Chromoly weights move smoothly on

Chromoly weights move smoothly on nylon pads and different advance springs and stop bushings are supplied so you can custom tailor a timing curve to match your engine's requirements

143 tooth ring gear

Can be used on Diesel engines requiring performances

1992-1995 GMC K2500 5

Choose from either ribbed or smooth designs to match our engine accessories

Moroso Ultra 40 Spiral Core 8.65 mm Spark Plug Wire Set - Sleeved - Blue - Straight Plug Boots - Socket - Over Valve Cover - Big Block Chevy Fuel System Additives Chromoly weights move smoothly onProduct Description: Spark Plug Wire Set Ultra 40 Spiral Core 8. 65 mm Sleeved Blue Straight Plug Boots Socket Over Valve Cover 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,