Seller notes

Up for sale is KB PISTONS 1991 FXDB-S Dyna Glide Sturgis Harley Davidson FORGED PISTONS EVO 80CI 10.5:1 .020. The vendor part number is KB921C.020. Please read the title to know what is for sale KB forged pistons are made from 4032 forged alloy with an 11% silicon content, formed in a forging press and then fully machined. Due to the material and manufacturing process these pistons have superior crack resistance under detonation or pre-ignition. They are suited for Street or Race applications wi...

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