Proflow Exhaust Manifold Stud Kit, Titanium, For Honda, Civic, B, D, H Series, M Weld on These Holley unions convert 7/8”-20

These Holley unions convert 7/8”-20 to 5/8”-18 inverted flares

Set of guide plates to suit Aeroflow Ford Windsor Heads

Part Number : PFEOS-OB2010

Valve Covers Ford Block V8 Late Model 5

Lower cylinder head temperatures means advanced ignition and more horsepower

Proflow Exhaust Manifold Stud Kit, Titanium, For Honda, Civic, B, D, H Series, M Weld on These Holley unions convert 7/8”-20Part Number : Manufactured from Ti 6Al 4V Grade 5 titanium, Proflow's titanium exhaust manifold stud kits for most popular engines are a perfect upgrade over your factory studs when chasing some big power! It is common for the factory manifold studs to come loose and fail over time due to the heat cycles produced by the cylinder head, and this can become a bigger issue especially when you are using aftermarket bolt ons such as upgraded turbochargers.