ARP 400-7508 Valve Cover Bolt Kit for Cast aluminum. SS. hex ymm_81 The optional Akrapovič Sound Kit

The optional Akrapovič Sound Kit enables owners of selected Akrapovič car exhausts to control the sound of the system from the cockpit of their machine

At low rpm the system produces a characteristic flat-six rumble

500˝ Knurl Length 1

Marauder 1963-1970

ARP 400-7508 Valve Cover Bolt Kit for Cast aluminum. SS. hex ymm_81 The optional Akrapovič Sound KitTo 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