Valve Cover Bolts for Chevy Duramax 6.6L (LLY/LBZ.LMM/LML)

Valve Cover Bolts for Chevy Duramax 6.6L (LLY/LBZ.LMM/LML)To 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

For those who prefer bolts

ARP has you covered with our 180

Nuts not included

Simply followmanufacturer’s instructions

ARP offers two styles of Flexplate bolts: premium grade Pro Series rated at 190

Washers and nuts included where applicable

Not to be used with OEM-style

It’s important to note that lesser quality studsare not even centerless ground – the material is thread rolled inbar stock form (mostly before heat-treat

Both are nominally rated at 180

when the material iseasier to machine)

Features extra heavy springs for consistent repetition