Twin Power 99-17 Twin Cam Big Twin Lower Rocker Box Gaskets Replaces

Twin Power™ lower rocker box gaskets provide reliable sealing between the rocker box and head on Twin Cam and Evolution Big Twin engines, helping reduce top-end oil leaks. Direct fit replacements for OEM lower rocker box gaskets on listed Twin Cam and Evo Big Twins Help maintain proper sealing at a common leak point Includes Rocker, Lower, Housing Sold as a pair Made in USA