Pro Street LS 408 Short Block, Eagle Crank, 10.7:1 SRP Pro 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 IV, 6.0L, LY6, L96 Cast Iron Block

New Eagle 4140 forged steel crankshaft (4.000 Stroke) **Internal Balance**

New Eagle FSI 4340 forged I beam connecting rods bushed fit pins, 7/16 ARP 8740 bolts (6.125 Length)

4032 SRP Professional forged pistons, (*Fits all 15 degree LS Heads L92*)

Pro Seal carbon steel top ring, Napier second ring, with 3.0mm oil rings for power adders

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

Compression Ratio with 66cc head 10.7:1

Compression Ratio with 72cc head 10.1:1

Rated to support up to 850 Horsepower

*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.