ARP Hardware
 

I have speced main bearing studs as well:

Main Bearing Studs
Kit Part No. 203-5403
Design for Toyota 4AGE motor. Kit includes 10 studs, washers and nuts. Studs are 3.4" long with inch thread on either end. Block thread is 10mm - 1.25 pitch.
$94.48

Head Studs
5.100” 10mm 1.5 Pitch Stud
Stud No. - AM5.10L
$5.16

12pt Nut
Nut No. - 300-8344
$5.43

.120” Washer
Washer No. - 200-8519
$1.37

With a quantity of 10 of each that comes to $119.60.

Enjoy,