12-Pt Head Stainless Intake Manifold Bolts for Ford 351C, 351-400M

12-Pt Head Stainless Intake Manifold Bolts for Ford 351C, 351-400MPrevent 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

Special ARP Pro Series NASCAR type stud kits have one of the studs drilled to facilitate sealing the carburetor in the engine by race officials

Specialfeatures include 1/4

ARP uses a unique manufacturingprocess where the alignment sleeve is roll formed onto the shaft(not welded or pinned)

has been applied

Finish: Alumotef

the correct preload

Our kits come in 8470 or polished ARP Stainless and cover spacers up to 3

It has approximately 200% the fatigue life of 8740 chrome moly steel and has a tensile strength of 220

Designed for competition applications

ARP sprint car drive pins feature a broached hex for ease of installation and proper pre-load while the rounded end facilitates quick

The high cobalt content of this alloy

000 psi and are able to easily handle the tremendous acceleration shock loads (shear) and lateral forces (elongation) found in racing