Valve Cover Bolt Kit Merlin Block, Brodix Head SB 1/4-20 thread, 4.500in UHL, Black Oxide Hex Head

Valve Cover Bolt Kit Merlin Block, Brodix Head SB 1/4-20 thread, 4.500in UHL, Black Oxide Hex HeadTo 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 polished ARP Stainless. You have a choice between conventional hex head bolts and nuts or compact,

The engineers at ARP spent quite a bit of time developing these highly effective

and copy down the length of the fastener prior to and after installation

Far superior to OEM fasteners

and precision J-form threads rolled after heat-treat to create a fastener that has threads 2000% stronger than others

Following heat-treat

you may choose betweenconventional hex style or the space-saving 12-point nuts

Whether you’re mounting your fan directly to the water pump

Washers and nuts included where applicable

Excellent for E

marine and drag racing engines – including those with superchargers and/ or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

It costs a lot more to do it this way

Because factory connecting rods (or aftermarket versions of OEM rods) are used in a variety of applications from rebuilt stock motors to modified powerplants used in circle track