Main Bolt Kit for Ford 390-428 cid FE Series, 12-pt

Main Bolt Kit for Ford 390-428 cid FE Series, 12-ptFar superior to any other main bolts available for use in competition engines, ARP main bolts are designed to meet the exacting standards and demands of professional engine builders. Forged from 8740 chrome moly steel, all ARP main bolts feature a reduced renching head, large underhead radius and rolled threads for the utmost in reliability. The threads are rolled after heat treating which gives them about 2000% better fatigue strength than most main

ARP Pro Series head bolt kits are application specific and designed to deliversuperior strength typically associated with competition engines

reciprocating and valve train components

ARP offers two styles of Flywheel/Flexplate bolts: The premium grade Pro Series

heat-treated in-house to 190

Following heat-treat

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

If there is a permanent increase of

Complete with washers and nuts where applicable

Both are available in black oxide finished chrome moly steel or polished ARP Stainless

000 lbs clamping force

ARP offers studs and bolts in a choice of chrome moly steel with a black oxide finish or polished ARP Stainless

increments