Porsche Mechanical Chain Tensioners - 911 SR011 99337505570 The front wood bow is

The front wood bow is not included

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Porsche Mechanical Chain Tensioners - 911 SR011 99337505570 The front wood bow isPorsche Upgrade your cam timing or substitute unreliable pressure fed hydraulic tensioners with these durable mechanical chain tensioners made from 6061 aluminum and anodized for added protection. Includes tensioning bolts, locking nuts, and spacers all essentials for your toolbox or race engine. Sold in a set of 2.