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.

Callies Compstar 4340 forged steel crankshaft (4.125 Stroke) center counterweight **Internal Balance**

Compstar H-Beam connecting rods with ARP2000 bolts(6.125 Length)

Diamond LS2K 2618 Forged pistons -4.8cc Flat top (4.125 Bore) with coated skits, fits 12 Degree

H13 .225 wall wrist pins

AP steel high performance steel piston ring set 1.5 1.5 3.0mm

Clevite H series rod and main bearings

Dart SHP LS Next Iron block - Full skirt design

Compression Ratio: 70cc 11.3:1

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	$8,199.95
Crankshaft Stroke	4.125
Vehicle Make	Chevy LSX
Connecting Rod Manufacturer	Compstar
Crankshaft Manufacturer	Compstar
Piston Brand	Diamond
Piston Type	Dish
Block Material	Cast Iron
Block Brand	Dart

CNC Competition GM LS 441 Short Block, Compstar Crank, Diamond 11.3:1 Pistons