Hex Head Black Oxide Intake Manifold Bolts for AMC 290-343-390 cid, uses 3/8˝ socket

Hex Head Black Oxide Intake Manifold Bolts for AMC 290-343-390 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

ARP offers High Performance Series bolts that aremade from a premium grade chrome moly and hardened to a nominal tensile strength of 180

in length or more

Now available for all popular applications

ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12-point nuts

you may choose betweenconventional hex style or the space-saving 12-point nuts

all ARP main bolts feature a reduced renching head

000 psi bolts that let you exert maximum clamping force

This material is heat-treated to provide a tensile strength in the 200

marine and drag racing engines – including those with superchargers and/ or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

substantially stronger than Grade 8 hardware

Prevent intake manifold leaks with ARP’s quality fasteners

Features extra heavy springs for consistent repetition