Valve Cover Bolt Kit Merlin Block, Brodix Head SB 1/4-20 thread, 4.250in UHL, Black Oxide Hex Head

Valve Cover Bolt Kit Merlin Block, Brodix Head SB 1/4-20 thread, 4.250in 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,

All of them are substantially better than the stock OEM and most aftermarket bolts

large underhead radius and rolled threads for the utmost in reliability

Both models feature a large diameter

and is capable of more than 12

Measure the fastener prior to starting

the correct preload

while bolt kits are shipped with the required flat washers

Our kits come in 8470 or polished ARP Stainless and cover spacers up to 3

Because of this

each stud is placed verticallyinto special racks and precisely heat-treated to 190

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

Prevent intake manifold leaks with ARP’s quality fasteners