CNC Competition GM LSX 454 Short Block, Scat Crank, CP 13.5:1 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.

Scat 4340 forged steel crankshaft (4.250 Stroke) **58 Tooth Reluctor**
Callies Ultra H Beam connecting rods (6.460 Length) with ARP L19 Bolts
CP bullet 2618 Forged pistons (4.125 Bore +5cc Dome) with .180 wall wrist pins *LS7 12 degree*
CP steel gas nitrided steel piston ring set 1.5 1.5 3.0mm
H series rod and main bearings
GM LSX Iron block, tall deck 9.720"

Compression Ratio:
70cc 13.5:1

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.