Holden V8 253, 308 satin textured black alloy rocker covers with satin aluminium old school fins to suit B cast cylinder heads, These tall valve covers give plenty of room for roller rockers, large valve springs, stud girdles. Aussiespeed rocker covers have cast in funnel style oil breathers so no nasty screws rivets or tin plates to contend with. The Aussiespeed covers also have a cast in drip lip that fits inside the cylinder head casting to help stop the gasket slipping in and help stop oil leaks. The finned rocker covers are supplied with 1x pcv, 1x oil cap breather grommet. The covers are 90mm tall on the inside. std factory tin covers are 76mm inside. They DO NOT use the 2 end bolts like factory steel valve covers. These are not cheap mass produced die cast covers they can be drilled or welded for additional fittings. you are buying a set of polished rocker covers powder coated black and raw covers are also available. Other its including bolt kits, 14 inch cast air cleaner tops, finned and chrome breather caps are also available. See our other items for Australian made speed equipment,  Please contact us within 24 hours to advise on payment method.Payment within 7 days if you require extra time or want to do a lay buy please contact us first. no local pick up .paypal accepted