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The Cometic Revolution XL base kit for 3 3/4- and 3 13/16-inch applications includes a .020-inch base gasket and a 4-inch spigot to match specific bore sizes. This replacement kit supports precise top-end assembly. The MLS-influenced design requires less clamp load, conforms load across the sealing area, reduces bore distortion and eliminates the need for additional sealants or re-torquing after installation.
Cometic Revolution Xl 3 3/4 & 3 13/16 Base Kit, .020inBase, 4in Spigot
