LS3 Exhaust Manifold Flanges Stainless Steel
(SOLD AS A PAIR)
These exhaust manifold flanges are made in the USA from 304 stainless steel for corrosion resistance. They're 3/8″ thick for protection against warping. The holes are tapped for a 7/16″-20 bolt for easy installation from above. They are available in 2.25″ or 2.5″. Contact us if you need a different size hole.
NOTE: If your manifolds have studs in them, you can either drill out our threaded holes, or remove the stud.
These flanges have a 3.75″ center-to-center dimension. If yours are 4.60″ please call to order.
Uses ROL gasket number EG24685 or equivalent, for all hole sizes. Not included.