Cylinder Head Seal 61-27215-20 Viktor Reinz

A precision‑crafted gasket for BMW cylinder heads, engineered to match the 85 mm bore of M40B18 and similar blocks. Its flexible silicone core ensures a tight seal under high pressure, while heat‑resistant properties maintain integrity during combustion cycles. This replacement restores engine performance by preventing coolant or oil leaks, offering reliable protection after rebuilds.

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