Hex Head Black Oxide Intake Manifold Bolts for Pontiac 350-455 cid, uses 3/8˝ socket

Hex Head Black Oxide Intake Manifold Bolts for Pontiac 350-455 cid, uses 3/8˝ socketPrevent intake manifold leaks with ARPs quality fasteners. Theyre nominally rated at 180,000 psi and precision machined for optimum thread engagement. Wide underhead flange and companion washers provide even load distribution. Precision rolled threads prevent galling while promoting more consistent torque loading. Facilitates optimum sealing of gasket surfaces. Available in choice of black oxide finish chrome moly or corrosion resistant stainless

while the compact head is easily accessed

The engineers at ARP spent quite a bit of time developing these highly effective

For the most severe applications

enabling the sleeve to float

Specially drilled “NASCAR” models are available for those who wish to safety wire their header bolts to prevent loosening

High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing

000 psi tensile strength material where noted

and monitor overall length during installation

Nuts not included

Your choice of chrome moly steel or polished stainless (nominally rated at 180

or if there is deformation

000 psi and High Performance Series that are rated at 180