Exhaust Manifold rings.  Tired of the useless worn out exhaust manifold spring holes!  Prorc.shop has this item that will let you still use the manifold if one of the hole blows out.  Sold in packs of 2.  

Made for REDS and Picco manaifolds.

Exhaust Manifolds Rings (REDS)

SKU: REDS Ring
$5.99Price