Chevy SBC 350 Billet Aluminum Short Water Pump Swp 1 Groove Crank Pulley These Speedmaster flexplate dust covers

These Speedmaster flexplate dust covers have brilliant triple-chrome plating and are made from heavy-gauge steel

The Speedmaster water pump pulley shim kits contain one 1mm spacer

don't forget to get the correct transmission yoke for your application

The outer case is made from 8620 Chrome-Nickel-Moly steel and the case hardened for long life

Nitrous/injector bosses

Chevy SBC 350 Billet Aluminum Short Water Pump Swp 1 Groove Crank Pulley These Speedmaster flexplate dust coversSpeedmaster aluminum crankshaft pulleys are manufactured from 356 aluminum that is heat treated to T 6 specs. These Speedmaster aluminum crankshaft pulleys help to increase horsepower by reducing accessory drag.