Motion Pro Deluxe Piston Pin Puller The Motion Pro Deluxe Piston Pin Puller helps you to do the job right the first time. Features: Interchangeable piston adapters Made of durable 6061 aluminum Fits all piston pins from 12mm (1/2) to 24mm (1) Works on both full skirt and short skirt slipper pistons Non marring aluminum pin adapters Durable blue anodized finish with laser engraved logo