MAHLE Motorsport’s new Big Block Mopar pistons now feature new stroker offerings for the 383 and 400 B series along with flat top and dished pistons for the 440 RB. • New 4.390” bore offerings ( 0.050” oversize) for a 400 block • High strength, 4032 Aluminum alloy, slipper skirt forging • Oversized valve pockets to allow for bigger valves and performance camshafts • Precision CNC machined pin bores • Dual coated with phosphate and MAHLE’s GRAFAL® skirt coating • Heavy duty tool steel wrist pin |