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Dart SHP LS Next 427ci Custom Short Block - $8,719

Callies Dragonslayer Crank / Ultra Rods

Business Seller - Borowski Race Engines, Inc.
Rockdale, IL

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Ad Number182683489


The Dart SHP LS Next is the newest in Dart's line of LS Next engines blocks. Building on the success of the earlier generations, the SHP adds the convenience of directly bolting on GM covers and accessories without requiring oil spacer rails and remote oil filter adapters.

SHP Features
- Full side skirts to accommodate OE oil pans
- Accepts LS style Oil filters
- Retains all factory bolt hole locations

LS Next Features
Retains all of the LS Next designs features not found in competing blocks including but not limited to:
- Longer cylinder sleeves,
- Priority main oiling
- 4 bolt splayed main saddle structural

This 427 cubic inch short block has a 4.125 in bore and 4.00 in stroke using customized versions of Callies' renowned Dragonslayer crank and Ultra H-Beam rods. We use a 6" rod to allow more design latitude for our custom Diamond pistons which crown the rotating assembly.

What makes Callies Dragonslayer crank and Ultra rods so good? It starts with the raw materials. Callies uses extremely clean Timken steel alloys formulated to their exact specifications. This proprietary steel is forged in Trenton, Michigan, and manufactured 100% in their Fostoria, Ohio facility.

Pride in workmanship, and attention to detail are qualities that are obvious in the video filmed during our tour of their Ohio plant. Thanks to Callies advanced designs and manufacturing prowess, this pairing of crank and rods will satisfy the requirements of the most demanding racing applications.

The complete photo/video album of our Callies plant tour can be viewed at

Topping off the rods are specially designed custom pistons. BOROWSKI RACE ENGINES, INC has worked with Diamond Pistons to develop a custom design that will outperform shelf pistons. Custom diameters and dishes available. Some common combinations kept in stock.
Features include:
- Thick crown with softened edges to prevent detonation
- Better ring spacing to prevent the ring lands from collapsing under boost (about 30% wider spacing than shelf pistons)
- Lateral bracing for better side support
- Double wrist pin oilers and banana groove
- CNC lightening on the underside

The skill of the people who finish machine and assemble your short block is just as important as the parts and design. Our engine builders are accomplished professionals. Further, BOROWSKI RACE ENGINES, INC. boasts state-of-the-art CNC machining equipment which empowers our staff to build the best engines available.

Call 815-725-2727 to discuss your engine requirements.

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Seller Notes

Part# BRE045424/7

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About The Seller

Borowski Race Engines, Inc.
Seller Website

Member Since October 2008

1545 Mound Road Rockdale, IL 60436


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Execution Stats: 0.281 sec / 8.5 MB used / 8.9 MB peak