Fastener Kit - External Primary/Transmission - 12-Point - FL ENGINE AND COMPONENTS_TWIN POWER *If available on our website

*If available on our website it means we have the kit in stock

We recommend replacing your worn out factory well nuts available HERE

Really Pulls Hard From 2500 up

0 connectivity

Safe to use anywhere you can use water

Fastener Kit - External Primary/Transmission - 12-Point - FL ENGINE AND COMPONENTS_TWIN POWER *If available on our websiteTensile strength rated @ 170,000 psi superior & stronger than OEM & stronger than grade 8 fasteners Features precision rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide underhead flange design provides even load distribution for optimum sealing of surfaces preventing leaks Top engine builders demand quality fasteners! Secure your engine with complete confidence. Manufactured by ARP to Feulings