Part Number
CNC-9722-E

CNC Competition BB Chevy 454/496 Dart Short Block, Eagle Crank, Mahle 8.7:1 Pistons

BB Chevy 454/496, Dart Block, Eagle 4340 Forged Steel 4.250 Crankshaft, Eagle 6.385 H Beam Rods, Mahle 8.7:1 Flat Top Pistons

$7,149.95
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FREIGHT CHARGE
This part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount.
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
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CNC-Motorsports, has quickly raised the bar to a new level in offering high quality short blocks at an affordable price. Our short blocks have become a huge hit among racers and performance enthusiast all over the world. We have the ability to custom build you just about any combination the way you want it. All our short blocks are 100% machined, CNC Machined and blue-printed to our race wining specs. We never cut corners like others just to lessen the price.

BB Chevy 454/496 Short Block Assembly
New Eagle 4340 forged steel crankshaft (4.250 Stroke) **Internal Balance**
New Eagle H-Beam connecting rods bushed fit pins with 7/16 ARP 8740 bolts (6.385 Length)
New Mahle forged -3cc flat top pistons (4.280)
High performance plasma moly piston ring set
ACL/Clevite 77 Rod and Main Bearings
Dura bond cam bearings
Brass freeze plug kit
Dura bond finishing kit
New Dart Big M sportsman block, short deck
Compression Ratio with 112cc Heads: 9.1:1
Compression Ratio with 118cc Heads: 8.7:1
Compression Ratio with 124cc Heads: 8.3:1

*Professionally Machined, Balanced, Assembled and blue printed in house by CNC-Motorsports. Balance card and blue print sheet will be provided to the customer. All short blocks are standard bore unless otherwise noted. We can custom build any short block assembly to meet your needs. *Ships Truck Freight*
More Information
Price $7,149.95
Vehicle Make BB Chevy
Connecting Rod Manufacturer Eagle
Crankshaft Manufacturer Eagle
Piston Brand Mahle
Piston Type Flat Top
Block Material Cast Iron
Block Brand Dart
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