ARP Black Oxide Valve Cover Bolt Kit - For Stamped Steel Covers - 1/4"- 20 - 12-Point (8 Pieces) HYPLMED11 The Perimeter Seal system is

The Perimeter Seal system is the latest technology from Racing Optics which allows for a tighter seal to visor

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ARP Black Oxide Valve Cover Bolt Kit - For Stamped Steel Covers - 1/4"- 20 - 12-Point (8 Pieces) HYPLMED11 The Perimeter Seal system isTo ensure proper sealing of valve covers, ARP manufactures a variety of special application specific bolt and stud kits. Many professional engine builders prefer to use studs because of their ability to properly position the gasket and guide the cover into position. ARP offers studs and bolts in a choice of chrome moly steel with a black oxide finish or stainless steel. You have a choice between conventional hex head bolts and nuts or compact, easy