Main Bolt Kit, 2-Bolt Main Hex Head AR134-5001 289-302W The breather helps aerate the

The breather helps aerate the fuel which improves atomisation

it has a filter neck welded on

AF777-10BLK

Includes Aeroflow 550 series AN Fittings (one straight hose end

AF208-08DS

Main Bolt Kit, 2-Bolt Main Hex Head AR134-5001 289-302W The breather helps aerate theMain Bolt Kit, 2 Bolt Main Hex Headfits SB Chev With Large Journal AR134 5001 134 5001 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