ARP 155-7402 Thermostat Housing Bolt Kit for FORD Big Block FE. 8740. hex ymm_47 325˝ Nose Length 0

325˝ Nose Length 0

but it is compatible with both OPF and non-OPF versions

Fits Following Engines: 351M Ford Small Block V8

It protects the working parts of the water/methanol system and the engine from particulates in the water/methanol mixture when installed in-line before the water/methanol pump

Sport-oriented styling

ARP 155-7402 Thermostat Housing Bolt Kit for FORD Big Block FE. 8740. hex ymm_47 325˝ Nose Length 0Now you can use premium quality ARP stainless steel or chrome moly fasteners to install most anything on a car, boat or trailer. The specially alloyed ARP 300 stainless steel and heat treated 8740 chrome moly bolts (black oxide finish) are nominally rated at 180, 000 psi tensile strength to provide a substantial extra margin of safety over Grade 8 hardware. Whats more, you cant beat the gorgeous looks of ARPs specially polished stainless steel