Stainless Gen III/IV LS Series, rear motor cover for Chevrolet 12-Pt Head

Stainless Gen III/IV LS Series, rear motor cover for Chevrolet 12-Pt HeadARPs 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

They’re application-specific

L19 is a very high strength material compared to 8740 and ARP2000 and is capable of delivering a clamp load at 260

Now available for all popular applications

ARP’s got you covered

Lengths are exact – designed to provide positive seating every time

making it ideal for the pplication

All Pro Series head bolts have areduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate the need for valve train removal during cylinder head retorquing

It costs a lot more to do it this way

Similar improvements over factory TTY bolts are provided by high strength ARP main studs

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

They’re made from premium grade aerospace chrome moly and centerless ground to precise diameter

but the results are well worth the extra effort