ARP 434-1202 Stainless Steel Header Bolt Kit
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A LS1 will have no problems fitting them. It is assumed you are installing headers rather than a stock exhaust system.
GM gen III/gen IV ls based small blocks can be used. you have a 4-cylinder vortec engine, you just need to replace the oil filter. Three months out. When the threads are 0 then they will fit fine. You will need a 10mm 12 point socket to fit them.
This brand is the only one I use. It has good quality.
Selected User Reviews For ARP 434-1202 Stainless Steel Header Bolt Kit
It was marked "3/8" on the label, but it was 5/16 on the bolt. The holes appeared to be stripped to me. The items were returned to the store. It costs me a lot of time and money to deal with you, ARP! I spent far too much time on that!.
Prior to having long tube headers installed on my GTO, I made sure to order these. I found the OEM header bolts very difficult to remove in the course of installing the car, even though my mechanic hadn't removed them in over 135,000 miles. Another hour of labor was needed after the head of the bolt sheared off, to remove it by welding a nut on. As much as I wished I had handled this job myself, I was glad I trusted the shop with it. It's more than worth the investment to have a good set of stainless bolts going forward to avoid any issues with header removal and installation in the future.
That's a good read.
ARP is hard to beat! Used for less than 200 miles at a time. Whenever there are any issues to be addressed, I will update this review.
Item is just as described, and I was surprised at the price and the speed of the delivery.
This is the quality you are used to with ARP. It fitted my 2003 LQ4 with LS1.
The ARP BOLTS I have been using have usually fit right on LS3 Kaos Headers, but these were TOO LONG (4 1/4") for the header.
Consumers can often find some of the best bolts on the market at an affordable price. ARP also provides washers with their bolts, which is appreciated.