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01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 07-150 Rocker box gasket kits 750141 Fits S&S billet aluminum rocker boxes on Evolution Big Twin and Evolution Sportster 750143 Fits S&S billet aluminum rocker boxes on Twin Cam models 750142 Fits S&S die cast rocker boxes on Evolution Big Twin and Evolution Sportster 750144 Fits S&S die cast rocker boxes on S&S SSW+ engines and Twin Cam models 780110 Set of 2 rocker base gaskets for stock style rocker boxes on S&S heads (S&S 90-4120) Complete engine gasket kits 750886 Fits 3 1/2" bore S&S SH-Series 750887 Fits 3 5/8" bore S&S P- and SH-Series 750885 Fits 3 5/8" bore S&S V-Series and Evolution Big Twin engines with Hot Set up kit 750884 Fits 4" bore S&S V-Series and Evolution Big Twin engines with Hot Set up kit 750883 Fits 4 1/8" bore S&S V-Series and Evolution Big Twin engines with Hot Set up kit 752483 Fits 4 1/8" bore Twin Cam with stock base bolt patern 750882 Fits 4 1/8" bore S&S T-Series and Twin Cam engines with Hot Set up kit, S&S base bolt patern 752484 Fits 4.425" S&S T143 engines 750881 Fits 4 1/8" bore S&S X114 & X117 X-Wedge engines (S&S 106-1030) 750880 Fits 4 1/4" bore S&S X121 X-Wedge engines (S&S 106-1029) 750879 Fits 4 3/8" bore S&S X128 & X132 X-Wedge engines (S&S 106-1031) SPECIAL GASKETS FOR S&S ENGINES & BIG BORE KITS S&S gasket kits to rebuild the top end of an S&S engine or any other engine with S&S cylinders and cylinder heads. Rocker box gaskets are included in Top end gasket kits and complete engine kits when not mentioned differently. Top end gasket kits 750892 Fits 3 1/2" bore S&S SH series engines 750891 Fits 3 5/8" bore S&S SH series engines 750889 Fits 4 1/8" bore S&S X114 & X117 X-Wedge engines (S&S 106-1262) 750888 Fits 4 1/4" bore S&S X121 X-Wedge engines (S&S 90-9701) Cylinder gasket kits These kits do not contain rocker cover gaskets as there are various styles of rocker covers available. Rocker cover gasket kits must be ordered separately. 750890 Fits 3 1/2" bore S&S V-Series and Evolution Big Twin 750145 Fits 3 5/8" bore S&S V-series, Evolution Big Twin and Big Bore kits 750138 Fits 3 7/8" bore Twin Cam Big Bore kits 750139 Fits 4" bore S&S T-series, Twin Cam engines and Big Bore kits 750140 Fits 4" bore S&S V-series, Evolution Big Twin, S&S X-series, XL engines and Big Bore kits 750137 Fits 4 1/8" bore S&S V124 SSW+, S&S T-series, and Twin Cam engines (non-stock base pattern) 750792 Fits 4 1/8" Big Bore Twin Cam engines with stock base pattern. Includes MLS head gaskets E�G�N� GASKETS & SEAL SETS