Valve Cover Bolt Kit Merlin Block, Brodix Head SB 1/4-20 thread, 4.000in UHL, Black Oxide 12-Pt Head

Valve Cover Bolt Kit Merlin Block, Brodix Head SB 1/4-20 thread, 4.000in UHL, Black Oxide 12-Pt 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,

in conjunction with aftermarket I-beam rods

are stronger and ratedat 190

including the elimination of main cap walk and fretting

They feature a special billet aluminum sleeve that accurately positions the shaft and keeps it from wobbling

This procedureinvolves about ten very slight cuts and results in an exceptionallystraight part

choice of hex or 12-bolt head

Finish: Polished

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

wide area washer and an extra tall 12-point head that accepts a deep socket and eliminates the worry ofstripping the head

A sample chart is as follows: ARP offers a highly accurate stretch gauge with a dial indicator that reads in increments of

Measure the fastener prior to starting

The popular High Performance Series is rated at 180