CNC Machined Dart SBF Blocks

ZSR offers fully CNC machined Dart blocks that will arrive at your door ready to assemble. We prep and machine these blocks the same as the blocks that we are going to assemble so you have the best product possible. Here is what machine work is performed: 

-Blocks are deburred by hand

-Oil Returns Chamfered 

-Deck is surfaced, cylinders bored to blueprint, and lifter bores machined (if requested oversize) on our Rottler F69A CNC 

-Cylinders are finish honed on Rottler CNC Hone with aluminum torque plates installed with ARP hardware. Surface checked with profilometer and TraceBoss Software. Piston to wall clearance and cylinder finish are done for your specific application and fuel. 

-Main bores are line honed with ARP main studs installed

-Lifter bores honed

-SHP and Iron Eagle are available. Machined to your specific deck height and bore size.

Price includes:

ARP Main Studs

DART coated cam bearings (Installed)

Deep seat freeze plugs installed

Painted your color of choice

ALL machine work done IN-HOUSE

We can also install standard and keyway lifter bushings

**Free Shipping to business address with fork lift or loading dock. Residential delivery will be an extra fee**