370ci Long Block for Naturally Aspirated Applications LS3 These short blocks benefit from

These short blocks benefit from our state-of-the-art CNC machining which provides a level of precision far beyond OE

130+ HP GAIN FOR YOUR HEMI

CTS sensor

The kit also includes:

We also love their full ball-bearing design and patented adjustable MAP groove

370ci Long Block for Naturally Aspirated Applications LS3 These short blocks benefit fromQuick Delivery Item Normally in Stock This digitally remastered 370 cubic inch LS long block delivers a lot of bang for the buck. Our CNCs have machined these seasoned GM block, crank and heads to far beyond their original condition. Pairing these parts with superior quality aftermarket components allows us to pull out 630 horsepower on pump gas at a budget friendly price. The 6. 0L iron GM blocks are bored and decked on our 4 axis which boasts a