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M57 Valve Springs

Regular price $319.00 Sale

Upgraded valve springs for the BMW M57, designed and manufactured in Norway. These are not simply OEM springs from another application that have been repackaged.

An in house 3D printed valve spring compressor is included with the spring set for easy install. The tool is made from MatterHackers NylonX which is a carbon fiber reinforced nylon filament. 

Seat pressure is ~44lb compared to the stock ~34lb. Open pressure at .315" lift is ~92lb compared to the stock pressure of ~55lb.