Porsche 104mm Engine Block Reconditioning No Pistons or Rings included 944 968 111 104 DP 96450128501 Extensive Industrial Uses Steel mills Porsche Pulley for power Extensive Industrial Uses Steel mills and foundries Oil refineries and chemical plants Construction and farm equipment Autos and trucks Electric power and other utilities Oil drilling and mining Diesel and gasoline engines Marine motors and shipyards Paper mills and machine shops Porsche Rear shock absorber for 944 (1985 1991) models with M030 resulting in a hard Direct plating of the bores provides a superior option to steel or iron sleeving that reduce engine cooling and performance by retaining its original all aluminum construction