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 Engine Case - Super Stock® Alternator Style - 3.500" - 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 Engine Case - Super Stock® Big Bore - 3.625" - Big Twin
S&S CYCLE_small.png?v=24178208168894044801761686708)
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 Tappet Block / Oil Pump Alignment Tool
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features Big Twin Evolution tappet blocks do not have counter-bored bolt holes; therefore, when a tappet block is removed (or even just loosened) ...
View full detailsS&S CYCLE Heavy-Duty Connecting Rod Set - - Evolution Big Twin '84-'99
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features High-quality, heavy duty rod sets come complete and ready to install Set includes front and rear rods, crankpin and nuts, steel cages and...
View full detailsS&S CYCLE Billet Oil Pump Kit
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features Kit includes an oil pump with cover, mounting bolts, supply and return gears, drive shaft with keys and snap rings, check ball and spring...
View full detailsS&S CYCLE Billet Oil Pump Kit
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features Kit includes an oil pump with cover, mounting bolts, supply and return gears, drive shaft with keys and snap rings, check ball and spring...
View full detailsS&S CYCLE Billet Oil Pump Kit - Standard Cover - '36-'69 Big Twin
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Features Kit includes oil pump, universal cover with top and bottom feeds, mounting bolts, supply and return gears, drive shaft with keys and snap...
View full detailsS&S CYCLE Steel Breather Gear Kit
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features Kit comes with gear and spacer Require the use of corresponding cam and pinion gear Made in the U.S.A. Specs Product Name Gear Kit ...
View full detailsS&S CYCLE Oil Pump Drive Gear - 24 Tooth - '73-'89 Big Twin
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Features Made in the USA Notes Must be used as a set with S&S part number 33-4232 or with OEM equivalents. Specs Product Name Drive Gear...
View full detailsS&S CYCLE Pinion Gear - 1.4737" - 1.4745" - Yellow - Big Twin L'77-'89
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features High-quality pinion gears are carefully machined, heat-treated and then finish ground Made in the USA Replacement Part for OEM Number(s)...
View full detailsS&S CYCLE Engine Case - Super Stock® Alternator Style - 3.500" - Evolution Big Twin
S&S CYCLE_small.png?v=24178208168894044801761686708)
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 Steel Breather Gear Kit
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features Kit comes with gear and spacer Require the use of corresponding cam and pinion gear Made in the U.S.A. Specs Product Name Gear Kit ...
View full detailsS&S CYCLE Steel Breather Gear Kit - +.030"
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features Kit comes with gear and spacer Require the use of corresponding cam and pinion gear Made in the U.S.A. Specs Product Name Gear Type...
View full detailsS&S CYCLE Pinion Gear - 1.4470" - 1.4475" - Blue - Big Twin 54-E'77
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features High-quality pinion gears are carefully machined, heat-treated and then finish ground Made in the USA Replacement Part for OEM Num...
View full detailsS&S CYCLE Pinion Gear - 1.4465" - 1.4470" - Green - Big Twin 54-E'77
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features High-quality pinion gears are carefully machined, heat-treated and then finish ground Made in the USA Replacement Part for OEM Num...
View full detailsS&S CYCLE Pinion Gear - 1.4460" - 1.4465" - White - Big Twin '54-E'77
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features High-quality pinion gears are carefully machined, heat-treated and then finish ground Made in the USA Replacement Part for OEM Num...
View full detailsS&S CYCLE Pinion Gear - 1.4715" - 1.4721" - Green - Big Twin L'77-'89
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features High-quality pinion gears are carefully machined, heat-treated and then finish ground Made in the USA Replacement Part for OEM Num...
View full detailsS&S CYCLE Heavy-Duty Connecting Rod Set - Big Twin '41-E'81
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features High-quality, heavy duty rod sets come complete and ready to install Set includes front and rear rods, crankpin and nuts, steel cages and...
View full detailsS&S CYCLE Heavy-Duty Connecting Rod Set - Big Twin L'81-84
S&S CYCLE_small.png?v=24178208168894044801761686708)
Features High-quality, heavy duty rod sets come complete and ready to install Set includes front and rear rods, crankpin and nuts, steel cages and...
View full detailsS&S CYCLE Heavy-Duty Connecting Rod Set - XL '86-'99
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Features High-quality, heavy duty rod sets come complete and ready to install Set includes front and rear rods, crankpin and nuts, steel cages and...
View full detailsS&S CYCLE Dual-Cable Throttle Assembly Kit - 39" - E&G Carbs
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Features Each kit includes a two-cable throttle assembly with matching grips, throttle sleeve, OEM-style throttle and idle cables and hardware Des...
View full detailsS&S CYCLE Dual-Cable Throttle Assembly Kit - 42" - E&G Carbs
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Features Each kit includes a two-cable throttle assembly with matching grips, throttle sleeve, OEM-style throttle and idle cables and hardware Des...
View full detailsS&S CYCLE Dual-Cable Throttle Assembly Kit - 48" - E&G Carbs
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Features Each kit includes a two-cable throttle assembly with matching grips, throttle sleeve, OEM-style throttle and idle cables and hardware Des...
View full detailsS&S CYCLE Universal Throttle Assembly Kit - 48"
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Features Includes a dual cable throttle assembly with cables, matching grips and hardware Designed for use with S&S series B, D or two-throat ...
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