As said above, ONLY use GM OEM Gaskets whether you are using a stock exhaust system, cheap or expensive exhaust manifolds. Fix leaks and pay for the right things the first time. Do not do that. cheap, don't do your project twice.
๐ง FEL-PRO OS 34308 R Oil Pan Gasket Set: High-quality, Leak-proof Solution for Optimal Engine Performance
9 Review
Synthetic motor oil MOBIL SUPER 3000 X1 5W-40, 208L
61 Review
๐ช FEL-PRO VS 50569 R Valve Cover Gasket Set: Superior Performance and Durability
9 Review
5W-40FS A3/B4
24 Review