Explore Lifestyle Cycles' Engine collection, which features high-quality parts designed to enhance your engine's power, speed, and capability.
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S&S CYCLE Roller Rocker Arms - 1.725 Rocker Ratio - Twin Cam / XL / XR1200 / Buell
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Features Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability 3/4" long bushings instead of 1/2" long bush...
View full detailsS&S CYCLE Rocker Arm Shaft - Twin Cam / XL
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Features Replacement for forged rocker arms Made in the USA Notes Four required per motor. Not for RH Sportster. Will also work with S&S V...
View full detailsS&S CYCLE Engine Case - 4.125" Bore w/Stock Stud Pattern - Wrinkle Black - Twin Cam '07-'16
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Features Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI) Features greater overall strength than stock crankcases S...
View full detailsS&S CYCLE Breather Valve - Crankcase - A Motor - Twin Cam '03-'06
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Features Solves the problem of oil carryover in Twin Cam "A" motors with stock oil pump Oil carryover is oil that comes out of your breather and a...
View full detailsS&S CYCLE Engine Case - 3.750" Bore w/Stock Stud Pattern - Wrinkle Black - Twin Cam
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Features Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI) Features greater overall strength than stock crankcases S...
View full detailsS&S CYCLE Crankcase - 3.937" Bore - Alternator Style - Wrinkle Black - Dyna '06-'16
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Features 4.125" bore crankcase can be used as a foundation for a custom engine or replacement for T111, T124, or T143 Stock looking, but stronger;...
View full detailsS&S CYCLE Crankcase - 4.125" Bore w/Stock Bolt Pattern - Wrinkle Black - Dyna '06-'17
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Features 4.125" bore crankcase can be used as a foundation for a custom engine or replacement for T111, T124, or T143 Stock looking, but stronger;...
View full detailsS&S CYCLE Engine Case - 3.750" Bore w/Stock Stud Pattern - 88A Engine Type - Wrinkle Black -Twin Cam '99-'06
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Features Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI) Features greater overall strength than stock crankcases S...
View full detailsS&S CYCLE Engine Case - 4.125" Bore w/Stock Stud Pattern - 88A Engine Type - Wrinkle Black - Twin Cam
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Features Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI) Features greater overall strength than stock crankcases S...
View full detailsS&S CYCLE Flywheel Assembly - 4-5/8" - w/o Sprocket Bearing Race - Twin Cam "B" w/124" S&S Motor '00 -'06
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Features S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin Fits...
View full detailsS&S CYCLE Crankpin Assembly - +0.002" Oversize - Big Twin L'81-'99 (except '99 Twin Cam)
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Features For use in stock and S&S flywheels Includes crankpin, nuts and key Made in the USA Specs Product Name Crankpin Assembly Style O...
View full detailsS&S CYCLE Rod Race and Bushing Set - Big Twin '41-'99 (except Twin Cam)
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Features Used to rebuild Big Twin and S&S V96, V107 and V113 connecting rods Contains hardened steel rod bearing races for front and rear rods...
View full detailsS&S CYCLE Camshaft Outer Ball Bearing - Twin Cam
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Features Superior-quality OE replacement bearings Sold each Made in the U.S.A. Replacement Part for OEM Number(s) 8990A Specs Product ...
View full detailsS&S CYCLE Billet Tappet Covers - Polished - Twin Cam
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Features CNC-machined from 6061 T-6 billet aluminum Billet material provides extra strength and dimensional stability over a wide temperature rang...
View full detailsS&S CYCLE Crankpin Assembly - Standard - Big Twin L'81-'99 (except '99 Twin Cam)
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Features For use in stock and S&S flywheels Includes crankpin, nuts and key Made in the USA Specs Product Name Crankpin Assembly Style S...
View full detailsS&S CYCLE Crankpin Assembly - +0.001" Oversize - Big Twin L'81-'99 (except '99 Twin Cam)
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Features For use in stock and S&S flywheels Includes crankpin, nuts and key Made in the USA Specs Product Name Crankpin Assembly Style O...
View full detailsS&S CYCLE Sprocket Shaft Assembly - for S&S SE/SL Flywheels - Big Twin '70-'99 (except '99 Twin Cam)
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Features Includes tapered shaft, nut and keys For use with standard diameter bearing Made in the USA Notes Fits S&S® SE or SL flywheels only...
View full detailsS&S CYCLE Right Main Pinion Shaft Bearing - Twin Cam
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Features Made in the U.S.A. Replacement Part for OEM Number(s) 2460400D Specs Product Name Bearing Application Pinion Shaft Units Each ...
View full detailsS&S CYCLE T143 Top Engine Mount Bracket - Touring '09-'16
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Features Front top mount bracket for T143 engine Specs Product Name Bracket Type Engine Mount Color/Finish Zinc Finish Zinc Mounting P...
View full detailsS&S CYCLE 107" Big Bore Cylinder Kit - Silver - Twin Cam '07-'17
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Features Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the ...
View full detailsS&S CYCLE 98" Big Bore Cylinder Kit - Wrinkle Black - Twin Cam - '99-'06
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Features Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the ...
View full detailsS&S CYCLE 98" Big Bore Cylinder Kit - Silver - Twin Cam '99-'06
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Features Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the ...
View full detailsS&S CYCLE 117" Big Bore Cylinder Kit - Stone Gray - Twin Cam '07-'17
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Features Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the ...
View full detailsS&S CYCLE 117" Big Bore Cylinder Kit - Wrinkle Black - Twin Cam - '07-'17
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Features Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the ...
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