Pistons (7.3:1 Compression Ratio)

From VIN 20755 to 41648 North American spec models were fitted with 7.3 to 1 compression ratio pistons. The pistons carry a different part number for the A Bank (right hand) and B bank (left hand) - UE39154 & UE39156. For more information regarding piston applicability look here.

S grade is equivalent to H & J grade   |   T grade is equivalent to K & L grade   |   X grade is equivalent to M grade