2888221 - 1028H pistons and connecting rods

CONNECTING RODS

The connecting rods are made from spheroid cast iron with copper alloy bushes fitted to match wih the piston gudgeon pin.The floating gudgeon pins are secured by two circlips (3) seated in specific grooves in the piston skirts.

PISTONS (PETROL/BI-FUEL)

The aluminium-silicon alloy pistons are graded into three sizes; to ensure correct assembly, an arrow is stamped on the crown to show the direction of rotation of the engine. The piston crown is concave and has four notches to prevent interference with the valve heads.

PISTONS (METHANE)

With the same construction specifications as those for petrol engines, but with a crown with a more accentuated profile to increase the compression ratio.