Main Bolt Kit, 2-Bolt Main Hex Head 355 Suits: All currrent Haltech ECUs

Suits: All currrent Haltech ECUs via CAN

Sold in a Set which is enough to do both engine mounts on the vehicle

Note: Leg sizes are approximate and may vary

Make sure your Turbosmart CompGate40 External Wastegate is always running at its peak with Turbosmart's spare Valve Seat

Main Bolt Kit, 2-Bolt Main Hex Head 355 Suits: All currrent Haltech ECUsfits SB Chev With Small Journal Part Number : AR134 5002 Far superior to any other main bolt kit offered 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, all bolts feature generous under head radius and rolled threads for the utmost reliability. The threads are rolled after heat treating, which makes them about 1000% longer fatigue life