What size brearing do I need?

[gergsx8]

I took my sr20det block and crank to the machine shop. The guy said I need 20 for the rods and 10 for the mains. What does this mean and where can I find these?

[codyace]

You should reaask them what they really need, and go from there

You will need to reference the markings on your crank, and on the pan/block and then go from there. While 9.5/10 times they will work, I still gauge them to ensure the are the right fit.

(Download an FSM and go from there)

[GSXRJJordan]

They're probably referring to how many thousanths over stock your bearings need to be.

[RebornS14.HTC]

see if this helps. they have a drop down for sizing.

ACL 5M2964H/X Race Main Bearing Set Nissan SR20DE/SR20DET (http://www.frsport.com/ACL-5M2964H-X-Race-Main-Bearing-Set-Nissan-SR20DE-SR20DET_p_9563.html)