For a cheap build you can get away with stock ls1 ls6 or ls2 heads.
Best stock ls heads for nitrous.
On ls1 cylinder heads a quick polish and moving the intake valves up to 2 02 inch stainless valves can get you into the 500 to 600 horsepower range with a nice cam.
Afr s 210 ls1 enforcer cylinder heads feature our permanent mold as cast technology surfaces on the intake runners exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location performance.
They just need a little bit of work to reach their full potential.
Before performing the cam swap we ran the zex wet nitrous system with the stock ls1 cam.
Nitrous fittings lines jets.
The 0 600 inch lift or possibly the.
Oil pans pumps.
We test 11 different chevrolet ls cylinder heads to see which one flows the most and produces the most hp and torque.
This budget friendly head is perfect for your oem engine operating below 6300 rpm.
As expected the 799 heads offered the highest peak flow with 250 cfm coming at 0 700 inch lift though a value not generally relevant to most ls enthusiasts.
Thus equipped the mild ls1 motor fast intake hooker headers and a fast management system produced 419.
I compared a set of stock 799 243 cathedral port heads vs the 823 ly6 rec port heads on an ly6 short lbock.
The larger chambers on the 6 0 liter heads are ideal for strokers and boost meanwhile the ls6 heads are best suited for naturally aspirated and nitrous setups.
Nitrous brackets plates.
The large valves make a 3 90 inch or larger emphasis on the larger bore a requirement.
Nitrous fittings lines jets.