This Is A Factory Original Air Injection Manifold Pipe Bolt That Is Hollow On The Inside That Allows Air That Is Pumped From The Air Or Smog Pump Which Then Passes Through The Divertor Valve & Then Goes Through The Air Injection Manifold Pipes Through A Set Of 7-Of These Hardened Hollow Bolts To Cool Down The Exhaust Manifold To Keep The HC Levels Lower For Emissions & To Run Your Engine Cooler Over All Which Helps In Performance & Mileage Through Time & As The Engine Runs For Longer Periods Of Time While Driving.
These Air Injection Pipe Bolts Are Located On Both Sides Of The Engine.
The Air Injection Manifold Pipe Has 3-Air Injection Manifold Bolts Mounted Through The Holes That Attach To The Driver & 4 Bolts In The Passenger Side Exhaust Manifolds.
These OE Air Injection Pipe Hollow Bolts Will Fit All Jeep Grand Wagoneers, Full Size Wagoneers, Full Size Cherokees, Cherokee Chief, J10 & J20 Pick-Up Trucks From 1974-1991 WITH THE V8-360 & 401 ENGINES ONLY.
THESE WILL NOT FIT THE 4.2 LITER AS THEY ARE A DIFFERENT SIZE.
WE HIGHLY RECOMMEND YOU CHANGE THE AIR INJECTION PIPE HOLLOW BOLT AT THE SAME TIME WHICH WE ALSO HAVE ON THIS PAGE OF THE WEB SITE AS THIS IS ON THE DRIVER SIDE OF THE MANIFOLD PIPE AS WELL.
We Are Selling This Bolt For Less Than The Dealer List Price & You Get An Even Better Price When Purchasing All 7 Bolts.
OE V8-AIR INJECTION PIPE BOLT PART# J3229425
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Bolts fit perfect, and mounted without a hitch. A bit confusing as to how the seal washers properly went on, but figured it out after the cleaning the old rusty bolts off. This site is the only place that still has these bolts. Jeep apparently stopped manufacture of these; dealers don't have them, and Napa thinks they are brake bolts.
I was able to find parts that no one thought I could find. They all fit perfect and it was so easy to order from you web site. Thanks