Moroso 90 Degree Adapter Fitting - 3/8 in NPT Male to 3/8 in Hose Barb - Brass 1341141 this makes these manifolds 75%

this makes these manifolds 75% thicker to combat cracking due to high exhaust temperatures

maximum pressure is 14 psi

but they're also designed specifically to fit our intakes and cylinder heads

Utilizing a high-performance 19-Row Stack Plate Cooler with integrated turbulators and airflow supplied by two 5" waterproof/dustproof electric fans

both of these manifolds provide the next step up in performance for LT1 and LT4 owners

Moroso 90 Degree Adapter Fitting - 3/8 in NPT Male to 3/8 in Hose Barb - Brass 1341141 this makes these manifolds 75%90 degree streamline fuel line fittings are manufactured of brass and provide a quick, easy fuel hose connection Streamline fittings offer the racer improved fuel flow to the carburetor over the right angle fittings more commonly available One per package Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans