1 is used as a jam nut to secure stud while the other is used directly under lid to adjust preload and prevent overtightening of aluminium lid
Valve Cover Breather Adaptor Hose End To -06AN
These Aeroflow flywheel bolts are made from chrome moly 8740 for high strength compatibilities
120 Degree Hose End Hose End -10AN For PTFE Hose
Proflow Cylinder Heads SuperMax 225, Assembled, Aluminum, SB Ford 302,351 Clevel Distributors and Leads 1 is used as aPart Number : Proflow Cylinder Heads, SuperMax 225, SB Ford 302, 351C, Assembled Proflow does not sacrifice quality for a low price you get both with our aluminium cylinder heads. The lightweight heads are cast from A 356 aluminium alloy with a large choice of Engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289 351W, 302,351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB, phosphorous bronze valve guides, and ductile iron valve seats for use