Hex Head Stainless Intake Manifold Bolts for Ford SVO 351 cid, Jack Roush design, drilled

Hex Head Stainless Intake Manifold Bolts for Ford SVO 351 cid, Jack Roush design, drilledNot only will these premium quality ARP fasteners help prevent intake manifold leaks, but one is drilled to allow for a seal wire. Whats more, theyre nominally rated at 180,000 psi and feature precision rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading. Wide underhead flange design and companion flat washers provide even load distribution and facilitates optimum sealing of gasket surfaces. Made of

The threads are rolled after heat-treating which gives them about 2000% better fatigue strength than most main bolts that are threaded prior to heat-treating

The studs are sold in 4 or 5 packs and are cadmium plated for extra durability

A polished finish makes them an

Specially hardened

All 8740 chrome moly steel nuts are black oxide finished and all ARP Stainless nuts are polished to a briliant luster

Features an exclusive 12-point cap screw design and appropriate grip length per the application

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

ARP’s Pro Series rocker arm studs are made of premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 190

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

All Pro Series head bolts have are reduced 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

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

The high cobalt content of this alloy