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7/16 Exhaust Stud Kit
7/16 Exhaust Stud Kit


 
Our Price: $70.00
Part Number: 7/16 Exhaust Stud Kit

Availability:: Usually Ships in 2 to 3 Business Days
Product Code: DM139


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Description
 
7/16 Exhaust Stud Kit for 7M. Most of you know that there is a big problem when you go to replace a manifold and the studs strip before you get even close to 29ft/lbs. Some people have them start to back out on their own creating a big exhaust leak. I have seen engines where a stud is just completely missing So I came up with a fix/upgrade. We go up to a 7/16 stud with coarse thread on the head side and fine on the manifold side with a 7/16 helicoil in the head. The coarse side has larger diameter threads that will not strip out of the head. The fine side lets you get accurate torque like stock. We use metal locknuts like stock too. I have had helicoils of the origional stud size pull out because the aluminum gets brittle and weak after all those years of heat cycles. Kit includes: Eight helicoils (one extra just in case), seven studs, seven metal lock nuts, one 29/64 drill bit (standard length), one tap holder tool, one tube of cutting fluid, one tube of antiseize. We added an option to purchase a new set of studs and nuts without the other items in the kit, for people who are rebuilding an engine that was previously upgraded to 7/16" studs.

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