Earl's GM LS Steam Vent Adapter 2 Pack w/-4 AN Male Fittings 91919979 (4) -12 AN O-Ring Female

(4) -12 AN O-Ring Female Ports (Inlet & Outlet for Each Side of the Block)

2007-2013 Chevrolet Silverado 3500 HD

The intake face

ensures the coolest air intake charge available

Earl's GM LS Steam Vent Adapter 2 Pack w/-4 AN Male Fittings 91919979 (4) -12 AN O-Ring FemaleFuel Hose Fitting Adjustable in fitting and hose plumbing path Upsized from OE tube sizing to 3 or 4 AN Can be used for front only or front rear applications Product Description: Steam Vent Adapter Single 4 AN Outlet Adapter Hardware Included Aluminum Black Anodized GM LS Series Pair Earl's Performance Products was founded by Earl Fouts in 1955 in Lawndale, California. The mission was to supply high quality military aircraft surplus plumbing