Fleece Performance FPE-34554-A    5/8 Inch Hose Barb to 3/4 Inch-16 O-ring (-8 AN) Fleece Performance 2001-2004 Chevy/GMC Duramax 6.6 LB7 We've increased the core volume

We've increased the core volume by 23 percent and expanded the external fin surface area by 44 percent

and allow the turbocharger to spool up even fast

14 percent more towing MPG

If you have an extremely high horsepower engine we can preset the valve body for pressures up to 180 psi

Fleece Performance FPE-34554-A    5/8 Inch Hose Barb to 3/4 Inch-16 O-ring (-8 AN) Fleece Performance 2001-2004 Chevy/GMC Duramax 6.6 LB7 We've increased the core volumeMale AN straight thread O Ring Boss (ORB) fitting with O ring to quick connect Short hex height to maximize install clearance Black anodized aluminum construction. 5 8 Inch Hose Barb to 3 4 Inch 16 O ring ( 8 AN)