KSP 408 Housing Extension

April 28, 2026

Convert current KSP 408 Convertible Housings (Mortise/Rim) SFIC or LFIC into longer lengths. KSP offers the 408 Convertible Housings in the SFIC (KSP) and LFIC (Schlage, Sargent, Corbin Russwin, Yale & Medeco formats). We have created these extensions to be easily stackable, guided by secure drive pins. Increase the length of a 408 Housing mortise or rim without effort.  

Extension sizes available are .75”, .5”, 1” and 2”. Extension pieces come assembled with pins and drive extensions for users to easily assemble to a 408 housing. Available individually or in kit form, either SFIC or LFIC; all 4 sizes: .75”, .5”, 1”, and 2”, with different-length screws. The longest screw size is 4.25”.

LFIC Spacing Part Numbers:  408EXT-L-75, 408EXT-L-5, 408EXT-L-1, 408EXT-L-2

SFIC Spacing Part Numbers:  408EXT-S-75, 408EXT-S-5, 408EXT-S-1, 408EXT-S-2

More info: www.iccore.com       

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