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.

Compstar 4340 forged steel 8 Counterweight crankshaft (4.000 Stroke) **Internal Balance**

Compstar H-Beam connecting rods (6.125 Length)

Diamond Race Series forged -21cc dish pistons

Total Seal AP Steel piston ring set

ACL/Clevite 77 Rod and Main Bearings

GM LSX Iron block

Compression Ratio:

62cc 10.0:1

70cc 9.5:1

76cc 9.3:1

Professionally Machined, Balanced, Assembled and blue printed in house by CNC-Motorsports. Balance card and blue print sheet will be provided to the customer. We can custom build any short block assembly to meet your needs.

Specifications

More Information
Price	$9,349.95
Vehicle Make	Chevy LS
Connecting Rod Manufacturer	Compstar
Crankshaft Manufacturer	Compstar
Piston Brand	Diamond
Piston Type	Dish
Block Material	Cast Iron
Block Brand	LSX

CNC Competition GM LSX 427 Short Block, Compstar Crank, Diamond 9.5:1 Pistons, 15 Degree