RB20/RB25/RB30 Race Series Main bearings (7M2394H-STD) TP000013 inline return-less regulator and includes

inline return-less regulator and includes a built in 44 Micron Stainless Steel Mesh Oil Filter

These new gears are significantly stronger than the OEM gears as well as all other aftermarket gear and fit directly into your oil pump housing without modification

CNC 5 axis machined Bottom sensor mount

we have simplified our current 4 SR kits and rolled them all into 2

The difference between the F90000267 & F90000274 options:

RB20/RB25/RB30 Race Series Main bearings (7M2394H-STD) TP000013 inline return-less regulator and includesACL Race Series performance engine bearings are manufactured to exacting tolerances. Micron tolerance machining supported by precision measurement systems delivers consistent accuracy to key characteristics like wall thickness and crush. This ensures reliable fit and helps maintain consistent clearances. To Suit : All RB20 RB25 RB30 engines Size : Standard