Prox Racing Parts Piston Kit (A) - Standard Bore 53.97mm: Automotive - Amazon.com
Crowning Glory - Coatings Make Great Pistons Even Better - Engine Builder Magazine
Amazon.com: RCD Performance Ceramic Coated Maxxforce 7 HD Piston Set (.020" Oversized Bore) with Rings/Wrist Pins/Clips Compatible with 2008-2010 Ford 6.4 Powerstroke Diesel: Automotive