The hole demension is 4

for Touring Road Glide Custom CVO Anniversary FLTRXSE2 : 2013

2006 and Later F15ESHK FUEL 1

For Kawasaki EN400 EN400 Twin 1989

1C3-85560-10

Intercooler Pipe & Boot Kit For BMW N54 E88 E90 E92 135i 335i 3.0L L6 SFCL The hole demension is 4Feature: 1. The turbocharger not only generates pressure, but also generates heat in the process. Once the sum of heat and pressure exceeds the level that the plastic intercooler pipe can withstand, it will rupture. Therefore, aluminum alloy pipes are used for upgrading. 2. Silver Pipe & Black Silicone Connection Tube Upgrade from factory plastic tubeSilver Pipe: Constructed of mandrel bent aluminum with a polished finish. A 100% CNC machined 6061