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 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 Teardrop Air Cleaner Kit - Chrome - XL '91-'06
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Features Includes a S&S cover, backing plate and high-quality filter element and hardware kit Available for most OEM carburetors and S&S p...
View full detailsS&S CYCLE Super Stock™ Stealth Air Cleaner Kit - Black
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Features Built-in stinger cone directs air smoothly into the bore of the carburetor or EFI throttle body and reduces turbulence and increases flow...
View full detailsS&S CYCLE Replacement CV Adapter Backplate Gasket - 0.0625" - Super E/G
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Features Backplate Gasket for S&S Super E/G and CV Adapter Made in the U.S.A. Specs Product Name Gasket Type Backplate Style Super E /...
View full detailsS&S CYCLE Teardrop Air Cleaner Kit - Gloss Black
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Features Includes a S&S cover, backing plate and high-quality filter element and hardware kit Available for most OEM carburetors and S&S p...
View full detailsS&S CYCLE Teardrop Air Cleaner Kit - Gloss Black - XL '91-'06
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Features Includes a S&S cover, backing plate and high-quality filter element and hardware kit Available for most OEM carburetors and S&S p...
View full detailsS&S CYCLE Replacement Air Cleaner Screw - Backplate - 1/4"-20 x 1/2"
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Features For original S&S Teardrop air cleaners Made in the USA Specs Product Name Screw Model Breather Material Alloy Steel / Zinc Pl...
View full detailsS&S CYCLE Super Stock* Stealth Air Cleaner Kit - Black - For S&S 66 mm Throttle Hog
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Features Built-in stinger cone directs air smoothly into the bore of the carburetor or EFI throttle body and reduces turbulence and increases flow...
View full detailsS&S CYCLE Engine Case - Super Stock® Big Bore - 3.625" - Evolution Big Twin '92-'00
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Features 3.625" big bore cylinder case for any stroke up to and including 5" and most stock length connecting rods Machined to accept an oil filte...
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 Engine Case - Super Stock® Generator - Big Twin '48-'64
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Features Include crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug, magnetic drain plug, assorted breather and oil line...
View full detailsS&S CYCLE Engine Case - Super Stock Alternator Style - 3.500" - Evolution Big Twin
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Features 3.5" stock bore cylinder case for any stroke up to and including 5" and most stock length connecting rods Machined to accept an oil filte...
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 Magnetic Oil Drain Plug
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Features Used on S&S crankcases manufactured after 05/01/2000 Made in the USA Replacement Part for OEM Number(s) 6034865 6034865A 6034865B ...
View full detailsS&S CYCLE Crankpin Nut For S&S Flywheels - Black
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Features Designed to fit L'81-'99 S&S® flywheels Made in the U.S.A. Specs Product Name Nut Type Crankpin Base Color Black Finish Mat...
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 - +4.000" Bore - Special Application - Evolution Big Twin '84-'99
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Features Designed for high performance engines with cylinder bores 4.000" Cam chest is moved outward 0.250" to allow crankcases to handle large cy...
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 Flywheel Assembly - 4-5/8" - 124" Big Twin '84-'99
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Features Replaces the original flywheels in S&S® 124" V124 engine for '84-'99 Big Twin Pinion and sprocket shafts are forged as part of the fl...
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 Flywheel Assembly - 4-3/8" Stroke - Tapered Wrist Pin - 107" M8
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Features Perfect for gear drive camshafts Consistent balance and precision machining Balance gear is installed for easy installation Strong assemb...
View full detailsS&S CYCLE Flywheel Assembly - 4-3/8" Stroke - Full Wrist Pin - 107" M8
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Features Perfect for gear drive camshafts Consistent balance and precision machining Balance gear is installed for easy installation Strong assemb...
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