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ductile iron top rings that seal against blow-by when the piston rocks in its bore
With fewer moving parts
Speedmaster aluminum pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 specs
They feature cast iron construction and are powdercoated to protect against corrosion
A new transmission filter along with a fluid change can extend the life of a transmission
Thunder Series HEI Replacement Distributor Cap Brass Terminals - Red ductile iron top rings thatEnsure that you have the finest distributor cap available by using one of these Speedmaster distributor caps. They're designed with performance in mind, are molded from a high quality, voltage insulating material, and use low resistance terminals for maximum conductivity .
