Nissan RB Oil Pump Crank Collars Type of Drive:Spline Drive Undersize (34mm ID) and is an extremely easy

and is an extremely easy kit to fit

and JZ trigger kit

PLEASE NOTE: These cam gears come with titanium bolts for positional adjustment and fit the following engines:

Rails have AN-8 O-ring ports on ends and in centres

Reduce chassis flex

Nissan RB Oil Pump Crank Collars Type of Drive:Spline Drive Undersize (34mm ID) and is an extremely easy**SEE INSTALLATION GUIDE HERE** High precision billet steel RB crank drive collars. Australian manufactured with CNC wire cut technology, and extreme close tolerance internal bore and meshed outers for 100% reliability not only in fitting the collar but in its use with the usual PRP Lifetime warranty. High polished ultra fine finish, and available in both spline drive (common with both PRP Direct replacement gear sets and new billet oil pump) and OEM