Chevy LS 370 Short Block, Stock Crank, Summit Flat Top Pistons

CNC-Motorsports LS 6.0L 408 short blocks have 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 to lessen the price.

GEN 3, 6.0L, LY6, L96 Cast Iron Block

Stock GM steel crankshaft (3.622 Stroke) **Internal Balance**

Stock I beam connecting rods with ARP 8740 bolts (6.098 Length)

4032 Summit forged pistons, (P/N 3269454030-2)

Summit Rings

H series race rod and main Bearings

Performance cam bearings

Comp Cams freeze plug kit

ARP main studs

Compression Ratio with 64cc head 11.0:1

Compression Ratio with 66cc head 10.7:1

Compression Ratio with 72cc head 10.1:1

*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.