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427 ci Aluminum (RHS) LS Short Block - $12,891

CALLIES 8-cwt CRANK & RODS, DIAMOND PISTONS

$12,891
Business Seller - Borowski Race Engines, Inc.
JOLIET, IL , US
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Item Details

Ad Number184151129
ConditionNew

Description

This short block is the foundation of our 800 horsepower, naturally-aspirated, pump gas build. This beast can drive to the track and tear it up when it gets there without breaking a sweat as you'll see in the video below.

The foundation is an RHS aluminum block. An aluminum block compared to its iron counterpart transfers heat better and weighs 100 lbs. less. While weight reduction is helpful to drag racers, it's huge in road race and autocross for its effect on vehicle turning and braking. This block also brings a six-bolt head bolt design and the strength to easily handle this power level. In our experience, OE aluminum blocks don't hold up well in this power range. This one will! Every RHS block is CAT scanned to assure that you'll receive a perfect casting.

We finish-machine the blocks to perfection on our 4-axis CNC mill and CNC diamond hone. This last machining step is critical as it sets the cylinder bores' final dimensions and surface finish. Old-school manual hones can come anywhere close to the precision and quality of our machining.

The rotating assembly starts with a Callies Compstar center counterweighted crank. The extra counterweights increase stiffness by 25% and reduce harmonics. This in turn enhances longevity and virtually eliminates uneven bearing wear. The forged Callies Ultra H-beam rods and Diamond Race Series pistons complete a short block that you won't need to worry about.

Click "BUY IT NOW" for more information and then give us a call at 815-725-2727 to get this great short block coming your way!

BUILT BY PEOPLE WHO LOVE MOTORSPORTS FOR PEOPLE WHO LOVE MOTORSPORTS.

Payment Details

Trades Not Accepted
Accepted Payment Methods Paypal, Money Order, Credit Card, Cash
Other: wire transfer

Seller Notes

RHS aluminum blocks are expected to arrive by Memprial Day. Dart blocks are on backorder with uncertain delivery dates.

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About The Seller

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

BUSINESS WEBSITE
borowskirace.com/
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