TA Performance offers quality head stud kits to replace stock head bolts on your Buick. Our head studs improve cylinder head sealing and ensure consistent torque values while saving the threads in the block from damage. In addition, studs help position the cylinder head and gasket during installation. Studs are made of heat treated 8740 chrome moly steel, hardened parallel-ground washers and heat treated nuts. Black oxide finish. Recommended for both street and competition.
- Hex Broached for Easy Installation
Please Note: TA 1134NH does not incorporate the original type bolt head, these studs secure the head and accessory brackets with the same nut or you may reuse your original head bolt to secure accessory brackets.
Undercut Note: TA offers undercut head studs, doing so increases the clamping force applied to the cylinder head. By undercutting the shank, the stud is allowed to stretch when torqued to specification, thus creating a consistent clamping load under all hot and cold conditions. The fastener is constantly trying to return to its original state (like stretching a rubber band, the farther you stretch it, the harder it pulls back). Only the shorter bolts are under cut, the longer bolts already have a stretch factor, this way all of the head studs stretch at a similar rate. TA Performance is the only one offering this type of fastener for the older Buicks. This type of fastener is highly recommended and is used in all types of high tech automotive racing engines world wide.