Gen III/IV LS Series, water pump with thermostat housing bolts for Chevrolet Black Oxide Hex Heads

Gen III/IV LS Series, water pump with thermostat housing bolts for Chevrolet Black Oxide Hex HeadsARPs timing cover bolts are available in both polished stainless steel or black oxide finish chrome moly. You also can choose between standard hex head bolts or compact 12 point fasteners. Studs are preferred by many Pro engine builders because they eliminate the chance of pinching gaskets and contribute to easier engine assembly. You will note that ARP studs feature a special bullet nose to guide the nut accurately into place. Available in black

which requires less energy to operate

are stronger and ratedat 190

as well as protecting the threads in your engine block

ARP only uses premium grade 8740 alloy anda proprietary ARP2000® alloy that are rated far superior to “aircraft”quality alloy steels

square drive forged into bolt head

000 psi to ensure extended service life of this valuable tool

You can forget about the problem of shearing a torque converter bolt after you install these super strong 190

Cycle testing hows ARP High Performance rod bolts to be nearly five times more reliable than stock bolts

Bracket Racing

You will note that ARP studs feature a special “bullet nose” to guide the nut accurately into place

If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in – you knew from the beginning that the rocker geometry was going to be inconsistent all over the place

This procedure (done only to the shorter studs)more equalizes the “stretch” of both studs