Description
These shortblocks are built using the following:
– Spool Imports 77.7mm crankshaft
– Spool Imports rods
– Spool Imports pistons by CP
– Spool Imports spline drive with N1 pump housing
– 05U block
– ARP Main studs
– Torque plate honed
– Line bore
– Tomei oil restrictor
– Block deck
We have been using the Spool Imports rotating assemblies for a few years now and beat on them very hard with many passes at the track as well as street driving. They are fantastic parts! We only sell what we have tested and used ourselves to make sure we are providing a quality product.
We attempt to keep these H-beam rod shortblocks in stock. If you would like to have one built with I-beam rods, L19 bolts, or larger wrist pins please reach out to support@ostdyno.com.




