Howe Racing Radiator Filler Neck, Cap Style, Weld-On, 1/8" NPT Female Port, Billet Aluminum, Natural SKU HOW-34301 $11.80 Quantity discounts available QuantityPrice (0)No Reviews yet Number of Pieces Item Custom Price Quantity -+ Add to Cart Details Aluminum filler necks have thick, weldable bases and sturdy cap retention rings. Threaded for 1/8" to accept an overflow hose barb. Details Back DetailsAluminum filler necks have thick, weldable bases and sturdy cap retention rings. Threaded for 1/8" to accept an overflow hose barb. Ratings & ReviewsNo reviews availableBe the first to Write a Review