1,100 HP, 6.0L Single-Turbo LS LSNext All Callies Ultra rods are

All Callies Ultra rods are made from Timken 4330 steel alloy

Our process for machining heads includes CNC porting and combustion chamber machining on our 5-axis

This is a race engine not suitable for transportation use in pollution comtrolled vehicles

Borowski Race Engines (BRE) and Dart Machinery's history with BBC race engines goes back to about Day 1 of our common history in the late 60's

from street to unlimited high-end racing applications

1,100 HP, 6.0L Single-Turbo LS LSNext All Callies Ultra rods arePRICE DOES NOT INCLUDE HEADERS AND ACCESSORY DRIVE SHOWN IN PHOTOS This is a lot of power for the money! We kept costs down using seasoned GM block and heads that we have redone from top to bottom on our CNC machines and upgraded with P1 Manufacturing head and main studs. Extraordinary performance at a great price is delivered by our integrating outstanding parts with our precision machining, assembly and dyno tuning. The crank we use is a stock