Emission legal LS1 street head, perfect for your daily driver. AFR Mongoose head offer unmatched flow rate of 300cfm at .600"lift and features 2.02 intake 1.60 exhuast valves. This head has proven a 70 cfm increase in flow over a stock cylinder head. This head is ideal for street driven, naturally aspirated motors between 346ci. to 396 ci.All cylinder heads are sold in pairs.
Patriot Performance Racing Heads are the nations leader in ported LS Gen III and many other Performance heads. The porting of performance heads has always been part of attaining maximum horsepower. Performance heads are enhanced by porting the chamber, bowl and runners to attain maximum air and fuel flow. Slight alterations can affect that flow tremendously.Patriot Performance ported heads resemble works of art after they are machined. Patriot Performance heads also have valve jobs that resemble the racing heads of Nascar. Their design was arrived at over time, working with designers of racing heads. Patriot Performance heads also have custom manufactured racing valves, springs and titanium. Cylinder heads are sold as pairs.
SLP is pleased to offer this all-new, heavily upgraded version of GM's superb LS6 cylinder head. These are the same heads we use to generate an incredible 500 hp in our head-and-cam package and nearly 600 hp on naturally aspirated ZL-402s. Even better, they're priced well below most competitive offerings.
NOTE: Will also fit 1997-1998 vehicles if retrofitted with newer-style valve covers.
Add To Cart - 99-04 SLP Stage 3 LS6 Cylinder Head 2.08-1.60 63.5cc Chambers 1.250" Springs
Add To Cart - 97-98 LS1 CNC Ported Completely Refinished