They are designed to replace BMW part #11241725809 and #11241747131 in the BMW M60B30

the Pro-Xtreme Piston is engineered to handle up to 1200HP

0 Gear Pump fuel systems

and they have proven to be a top performer in both street and racing BMW B48 engines

Its rear spherical bearing mount and integrated one-piece piston/pushrod reduce side thrust on the bore

BMW N63 Short Block Assembly Service 11112244286 They are designed to replace5150 AutoSport Short Block Build Service for BMW N63 Engines Please note that price is based on customer providing core. If you need help sourcing a core, please contact our sales team. When your BMW engine needs to be built right the first time, 5150 AutoSports Short Block Assembly Service delivers the precision, consistency, and experience demanded by high performance BMW builds. This service is performed in house by BMW focused engine builders