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Does anyone have any ARP head studs for sale? There is a significant shortage and these are on back order. I have a blown head gasket and factory head bolts, and since I have to pull the motor to fix and clean the engine of debris I would like to fix it with studs. Please help! Car is stuck in...

Brian Lorenz at Lorenz Performance is absolutely phenomenal! He has worked on my GNX to not only help keep it on the road for many years to come, but also provide some performance upgrades and tuning so that it can compete with modern sports cars! The quality of his work is second to none...

I have a high mileage GNX that has been driven and enjoyed by previous owners. I bought it 3 years ago. Since my purchase, I have enjoyed it very much with my wife and kids. It is probably the only GNX with a car seat in the back! However, after much driving and fun, it was clear my GNX...

I'm not sure the Garrett intercooler sticker on my GNX is original as I can't feel a raised serial number. Are there any extra NOS available?

I bought Buick GNX last fall, sold to me as non-modified. I later discovered the chip was not original. Does anyone have an original GNX chip for sale? I have seen pics on a few threads on this site, has part number 27E8-2644 on label. Thanks!