CNC Competition BB Chevy 540 Dart Short Block, Callies Crank, Wiseco 14.0:1 Pistons

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 540 Short Block Assembly
New Callies Callies Magnum 4340 forged steel crankshaft (4.250 Stroke) **Internal Balance**
New Oliver billet I-Beam connecting rods bushed fit pins with Ultra 7/16 bolts (6.385 Length)
New Weisco Hollow dome pistons (4.500) with upgraded wrist pins
Total Seal 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
Rated to support 1500 Horsepower
Compression Ratio with 114cc Heads: 14.7:1
Compression Ratio with 119cc Heads: 14.0:1
Compression Ratio with 123cc Heads: 13.4:1

*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*