This is a 72mm cast flat top piston for the Predator engine. It has a shorter .550" compression height and utilizes a 18mm (.709") wristpin.
This piston works 2.835" bores and is used with +.020" and +.040" rods. It is designed for Predator blocks bored +.080" or the 72mm Tillotson block.
Wrist pin and clips not included.