765 HP, 427 ci, Naturally-Aspirated, Hydraulic-Roller LS - $22,995


Business Seller - Borowski Race Engines, Inc.
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"The simplest solution is usually the best one" is not a new idea, but it is a good one. If you can get the power you want out of your engine naturally aspirated, that's probably the way to go. The OEs need superchargers to get into the 700 hp territory. We don't. This pump gas LS engine puts out 765 hp all on its own. Watch the video to see for yourself.

This build features a Dart LS Next SHP Pro iron block with a 4.125 inch bore. The rotating assembly uses a Callies Compstar center counter-weighted crank with a 4.000" stroke to yield a 427 cubic inch displacement. The rotating assembly is completed with Callies Compstar rods and Diamond Race Series pistons. The valve train runs off a COMP hydraulic roller cam and a set of their BSR shaft rockers. Heads on this piece are complements of Brodix with our 5-axis CNC porting with All Pros as an available upgrade. The engine shown is topped off with a FAST LSXHR intake manifold, but other choices are available. Engine management is handled by a Holley Terminator X.

The optional custom serpentine comes with a 225 amp alternator to keep power flowing to your accessories. The power steering pump can be configured for Hydratech boost if you'll be using one. By the way, Hydratechs work great!

The Holley Terminator can be upgraded to the X-Max version and double as the trans controller. Either version works great with Holley Digital Dashes and greatly simplify instrumentation. The screens are customizable and once configured, they are easier to read and get you more information in the format you want to see.

This powerplant can be dropped into about anything. Its standard configuration is without a serpentine system and with a GM oil pan appropriate for an LS-equipped vehicle. Once again, choices abound including anything from re-use of your OE serpentine if you were already running an LS to a fully custom accessory system. The standard oil pan can be replaced with an optional Moroso or Holley retrofit oil pan or a Dailey dry sump system for the serious competitors. We will be happy to walk you through the options to get the one best for you. This is a custom engine that we will gladly tailor to exactly what you want. Need a transmission too? Happy to hook you up with one paired exactly to your engine. Ditto for your fuel system.

Click BUY IT NOW to get over to our website or call at 815-725-2727 to get the process rolling toward your dream engine build.

- These engines are not pollution compliant and are intended for transportation use only in pre-pollution controlled vehicles.
- All BRE engines are individually dyno tested and tuned. Customers will be supplied with video of their engine's dyno along with the dyno and build sheets.
- Dyno results on the same engine are influenced by atmospheric conditions. The same engine can easily test +/- 2% different on horsepower depending upon ambient conditions. The engine you receive will have completed its dyno session at no less than 98% of rated horsepower with the tune we provide.
- The final appearance of these engines is customized to the purchaser's specifications.


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About The Seller

Borowski Race Engines, Inc.
Member Since October 2008
1545 Mound Rd
Joliet, IL 60436
Show phone number
(815) 725-2727

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