LS1-LE1
Great for budget minded customers wanting the “best bang for the buck” or customers running larger cams without fly cutting. The stock valves allow for larger cams with no fly cutting and keep the cost down as well. The BTR .660″ springs allow the use of most cams up to a 240 duration and .640 lift.

The LS1 LE1 heads consist of:

2.00/1.55 valves
BTR .660 dbl spring kit
custom valve job
mill, cleaning and assembly
flow about 295/210
ready to bolt on!

LS1 LE1 heads – $930