Questions & Answers
Questions: I need a piston to fit a bore size 3.290. Can you tell me if this is available and if so what are the piston dimentions ane wrist pin dianeter.
Question By: Harold R. Moore on Jul 9 2019 3:40 AM
Standard bore is 3.125 on the 4-134 motor. Please keep in mind your gap for rings as well. Email firstname.lastname@example.org and I can send you some links.
Answer By: Willys Jeep Parts Tech on Jul 9 2019 6:51 AM
Questions: Hello Kaiser, Please, what is the maker from, for this piston ??? Does it's Federal Mogul ? or who else ? All the Best. Mike.
Question By: MIKE HESSMANN on Nov 15 2016 7:53 AM
Currently Sealed Power
Answer By: Willys Jeep Parts Tech on Nov 15 2016 5:55 AM
Questions: I woud like to change the piston in my Willis 1967 coud you tell me if i shoud take the mesure on top of the piston or in the bottum to see if they are oversize.
Question By: Guy on Apr 7 2015 12:00 AM
A lot of times your piston will be stamped on the top of it. Standard bore for the 4-134 engine is 3-1/8.
Answer By: Willys Tech on Apr 7 2015 12:00 AM
Questions: What is the size of a standard piston for a 1947 cj2a?
Question By: Mitch on Sep 30 2014 12:00 AM
The 4-134 engine had a standard bore of 3-1/8 originally.
Answer By: Willys Tech on Oct 1 2014 12:00 AM
Questions: What's the best piston size for todays unleaded petrol (88 octane)?
Question By: Anonymous on Nov 14 2011 12:00 AM
It really is more what size the bore of your block is. We carry standard thru .080
Answer By: Willys Tech on Nov 15 2011 12:00 AM
Questions: does the replacement piston for the 134 engine come with rings?
Question By: david on Feb 24 2011 12:00 AM
This is piston and pin only. You will need to order part number: 941885 for the piston ring set.
Answer By: Willys Tech on Feb 25 2011 12:00 AM