CSR Performance Manifold Expansion Filler

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CSR Performance Products has the solution you've been looking for! The Manifold Expansion Filler is recommended for dragsters with rear-mounted radiators. This new design helps eliminate the common problem of air in your cooling system. Advanced technology for a variety of applications, available in two different heights, 3 inch or 6 inch, with your choice of #10AN, #12AN, #16AN, #20AN, 1-