Earl's Straight Bulkhead Adapter Fitting -4 AN Male to -4 AN Male Bulkhead - Stainless 1425023 Using specialized ductile iron

Using specialized ductile iron

Designed with a full flow radius transition from port opening to AN 37

RaceQuip uses an oversize heavy duty brass YKK Nomex ® backed zipper for added durability

Rocker Arm Kits from COMP Cams come with everything you need to install your new rocker arms in one convenient package

Weld in 1/8" NPT female threaded bung

Earl's Straight Bulkhead Adapter Fitting -4 AN Male to -4 AN Male Bulkhead - Stainless 1425023 Using specialized ductile ironUse Anti Seize to prevent galling on the bulkhead nut. Material: 304 Stainless Steel w Natural Finish Flanged Hex & Bulkhead Nuts More Attractive Than Standard Hex & Washer AN Flare on Both Ends Fits Through Frame Tubing From 1. 5" to 2. 0" Thick Sold Individually w Matching Flanged Bulkhead Nut Ideal for Use on Street Rod & Provides a Custom Look w o Brackets or Tabs Ideal for Use on Brakes, Fuel System, Transmission Cooler & Other Plumbing Systems