Earls -4 Female AN O-Ring to -3 Male Reducer - 989443ERL transmission-and-drivetrain 1-1/2 inch Product Type Headers

1-1/2 inch Product Type Headers Tube Material Mild Steel Part Number 31500FLT

8 L6 1977 - 1978 GMC C15 250/4

3 V8 2001 - 2002 GMC Sierra 1500 SLE 294/4

Brand Earls Emission Code 5 Finish Anodized Blue Material 2024 Aluminum Product Line Premium Product Type AN to NPT 45 Degrees

1988-1999 GMC C1500 305 CID

Earls -4 Female AN O-Ring to -3 Male Reducer - 989443ERL transmission-and-drivetrain 1-1/2 inch Product Type HeadersOverview: Blue Anodized Lightweight Aluminum Construction. Available for Any Plumbing Situation And Many Custom Applications. Features: Blue Anodized Aluminum Made in the USA Available for Any Plumbing Situation And Many Custom Applications. Application: Year Make Model Submodel Engine Size Universal Specs: Adapter AN Size ( A ) 4 AN Female O Ring Adapter AN Size ( B ) 3 AN MALE Adapter Type AN Female to Male Brand Earls Emission Code 5 Finish