PRO-WERKS PERFORMANCE PARTS WELD ON STEEL MALE - 6 AN BUNG 7/8" O.D. also fits tube 0.058 in. thick THICK ( easy to weld on ) Precision CNC machined, these male bungs feature a contoured inlet for maximum flow. A convenient stepped shoulder is machined in the base of the bung, acting as a positioning locator during fabrication. This bonus feature pilots the bung in place while welding in a hole on a flat surface, or in the end of tubing while welding. Ample cross section in the weld land also helps to reduce warping during welding. PART# C73-641 Dynatech High-Flow Slip On Collectors are designed with maximum exhaust flow in mind. With a High-Flow long transition area, these collectors maximize flow to help you get the most out of your exhaust system. Comes standard Ceramic Coated inside and out. Designed with a unique Pan E-Vac / O2 Sensor bung. The bung installed in the collector has 18 mm threads, common to most O2 Sensors. For users that want to use a Pan E-Vac system, the kit comes with a fitting that adapts the 18 mm bung to “ pipe thread, common to most Pan E-Vac fittings. U-Tabs are already installed on the collectors for an easy bolt on to any Dynatech Header with no welding required. Extra U-Tabs and hardware are also included for installation on header without U-Tabs installed - See more at: https://www.afcodynapro.com/DYNATECH/1272261398#sthash.6Mp0YLaX.dpuf NEW PA Residents Pay 6% Sales Tax 30 Day Return Policy If you are not 100% satisfied, you may return your product for a refund less shipping charges. Please wait until all your auctions end before proceeding to checkout to take advantage of any additional item shipping discount. Lethal Deals LLC has a huge inventory of racing parts. Please contact us and will we be happy to get you the parts you need at a great price. Shipping information We ship most of our items worldwide. We do ship to US P.O. Boxes and APO's. Please have a valid shipping address listed. Normally we ship items out three times a week. During busy times we ship more frequently. Local pick up is not available. We do offer combined shipping on some items. Please wait until all your auctions end or your purchases are made before proceeding to checkout to take advantage of multiple item shipping discount. You have 7 days from the end of the first purchase to add additional items to your order. International Buyers – Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. Return policy If you are not satisfied with your purchase please return the item for a full refund minus the shipping charges. You have 30 days from the date of delivery to notify us of your return and ship it back to us. Merchandise must be unworn (Tried on only for fit and sizing) and in the original packaging. Please include the original packing slip, if available, so we can properly credit your original form of payment. If you are not satisfied, please let us know before leaving feedback. When you receive your order, please take a moment to leave us feedback. Disclaimer of Warranty Neither the seller of the company Lethal Deals LLC will be liable for any loss, damage or injury directly or indirectly arising from the use or inability to determine the use of these products. Before using, the user shall determine the suitability of the products for its intended use, and the user shall assume all responsibility and risk in connection herewith. No warranty expressed or implied WE HAVE MORE LETHAL DEALS IN OUR STORE!! LETHAL DEALS LLC