ZSR Engines

451" Sportsman N/A combination headed to the dyno. These make 980hp and there is a link to all the info and pricing in the comments.

Dart Iron Eagle SBF block getting the full treatment on our Rottler F69A.

➡️Deck resurfaced to 9.490”
➡️Receiver Grooves for top fuel hoops
➡️Clearanced for SC2 heads
➡️CHE .937 lifter bushings installed and sized with single point cutter
➡️Cylinders bored to 4.150"

We offer fully machined blocks that arrive to you completely ready to assemble. We can also machine blocks that are customer-supplied as well.

https://zsrengines.com/store/ols/categories/engine-blocks

434" naturally-aspirated combination that left last week:

-T&D Shaft Rockers
-Trickflow 240 High Ports
-Diamond Custom Dome Pistons
-Molnar Billet Rods
-Molnar Crankshaft
-Dart SHP Block