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Your cart is empty.WORK ON DURO.M ENGINE 16HP OR 18 HP Engine not included. You can put a 1" pipe line buying at home depot to get the engine gases out of your garage or any other closed places. 1/4" mild steel flange. 1" Male Thread Pipe Fitting Single Male Stainless Steel 304 Tig welded. 2 stainless steel screws. 2 Zinc Plated Lock washer. Good for: Mini bikes, go karts, generators... multipurpose. This been tested on 8HP (301cc) OHV Predator, Predator 13 HP (420cc) Engine from harbor freight. -Works also: GX 240, 270 & 390, Briggs 1450 305cc, Lifan LF190F-BQ 15 HP 420cc, Duro.m 16HP Made in U.S.A. Finding the Correct Pipe Thread Size National Pipe Threads (NPT) Pipe sizes do refer to physical dimensions, but the plumbing industry standard for the sizes of pipe is not always as straight-forward as measuring the pipe. Measuring the pipe will oftentimes mislead you into choosing the wrong pipe, so do take care. The "pipe thread size" as shown in column 3 of the table below is measured and based on the inside of the pipe. But, to actually determine the size of a pipe, the outside diameter of each pipe or fitting must be measured and compared to the table for size identification. For example, a 3/4" NPT pipe thread has an outside diameter of 1.050 inches. Each thread size has a defined number of threads per inch (TPI). The 3/4" NPT pipe thread has 14 threads per inch. Both the TPI (threads per inch) and OD (outside diameter) of the thread are required for positive identification of thread size because several sizes have the same TPI.
thomas spell
Reviewed in the United States on June 16, 2019
all good,no negative,perfect fit,lets me build custom exhaust.
Navy dude
Reviewed in the United States on November 15, 2019
Definitely not stainless steel. Rusted on day one
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