Harley Engine
Power your bike with precision-engineered engine components like crankshafts, connecting rods, and complete engine systems. Check out our high-performance Harley engine parts for peak reliability and output.
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On Sale
S&S CYCLE Cam with Plate - 551 Series - Easy Start 330-0544
S&S CYCLE
MSRP: $2,225.95Now: $2,003.36Was: $2,225.95S&S CYCLE Cam with Plate 551 Series Easy Start 330-0544Upgrade to S&S bolt-in performance camshafts, Improves engine performance - higher lift and optimized cam timing, S&S Quickee pushrods - easy installation, without removing rocker covers, Replaces...09251109- SKU:
- 09251109
- Availability:
- Ships Same Business Day
- Weight:
- 11.15 LBS
- APPLICATION:
- EXHAUST
- EXHAUST CLOSE IMPERIAL:
- 17°
- EXHAUST LIFT IMPERIAL:
- 0.550'
- INTAKE CLOSE IMPERIAL:
- 19°
- INTAKE OPEN IMPERIAL:
- 17°
- TYPE:
- CHAIN
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 237°
- MODEL:
- EASY START
- RIDING STYLE:
- STREET
- EXHAUST OPEN IMPERIAL:
- 41°
- GRIND:
- 551 SERIES
- INTAKE DURATION IMPERIAL:
- 215°
- INTAKE LIFT IMPERIAL:
- 0.550'
- PRODUCT NAME:
- CAMSHAFT
- UNITS:
- KIT
MSRP: $2,225.95Now: $2,003.36Was: $2,225.95 -
On Sale
S&S CYCLE Inner Cam Bearing - Twin Cam 31-4080
S&S CYCLE
MSRP: $16.95Now: $15.26Was: $16.95S&S CYCLE Inner Cam Bearing Twin Cam 31-4080Superior quality OE replacement bearings, Made in the U.S.A.09240387- SKU:
- 09240387
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- CAM
- PRODUCT NAME:
- BEARING
- UNITS:
- EACH
- TYPE:
- NEEDLE
- RIDING STYLE:
- STREET
MSRP: $16.95Now: $15.26Was: $16.95 -
On Sale
S&S CYCLE Springs - .585" - Twin Cam 900-0593
S&S CYCLE
MSRP: $163.95Now: $147.56Was: $163.95S&S CYCLE Springs .585" Twin Cam 900-0593Unique S&S design dual-spring kit reduces the risk of valve float, For valve lift with 1.800"/130 lb. installed height, 325 lb. at max lift, Includes springs, top and bottom collars, keeper shims and valve seals,...09262722- SKU:
- 09262722
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- STREET
- SPRING OPEN PRESSURE:
- 325 LB
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- SPRING LIFT:
- 0,585'
- TYPE:
- VALVE
- PRODUCT NAME:
- SPRING KIT
- SPRING LIFT IMPERIAL:
- 0.585'
- UNITS:
- KIT
MSRP: $163.95Now: $147.56Was: $163.95 -
On Sale
S&S CYCLE Chain Drive Cam - 510C - Twin Cam 33-5182A
S&S CYCLE
MSRP: $399.95Now: $368.96Was: $399.95S&S CYCLE Chain Drive Cam 510C Twin Cam 33-5182ACamshaft gear drive kits increase valve timing accuracy in Twin Cam engines by eliminating timing chain lash and loosely fit stock chain drive, Reverses the rear cam's direction of rotation, providing...09250532- SKU:
- 09250532
- Availability:
- Ships Same Business Day
- Weight:
- 4.12 LBS
- GRIND:
- 510 SERIES
- PRODUCT NAME:
- CAM KIT
- TYPE:
- CHAIN
- APPLICATION:
- EXHAUST
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.187'
- INTAKE LIFT IMPERIAL:
- 0.510'
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- EXHAUST LIFT IMPERIAL:
- 0.510'
- INTAKE LIFT AT TDC IMPERIAL:
- 0.187'
MSRP: $399.95Now: $368.96Was: $399.95 -
On Sale
S&S CYCLE CAM KIT 475C M8 17- 330-0641
S&S CYCLE
MSRP: $299.95Now: $269.96Was: $299.95S&S CYCLE CAM KIT 475C M8 17- 330-0641Designed for 107"/114" motors, compatible with all stock valve train components, Kits include all required bearings, O-rings, and hardware, Capable of producing triple-digit horsepower when coupled with performance...09251171- SKU:
- 09251171
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- EXHAUST CLOSE IMPERIAL:
- 28.5° FRONT, 20.2° REAR
- EXHAUST OPEN IMPERIAL:
- 55.5° FRONT, 52.2° REAR
- INTAKE DURATION IMPERIAL:
- 213.5°
- INTAKE OPEN IMPERIAL:
- 6.2° FRONT, 2.2° REAR
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- EXHAUST LIFT IMPERIAL:
- 0.475'
- GRIND:
- 475C
- INTAKE LIFT IMPERIAL:
- 0.475'
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 263.9° FRONT, 252.5° REAR
- INTAKE CLOSE IMPERIAL:
- 27.2° FRONT, 31.2° REAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CAM
- TYPE:
- CHAIN
MSRP: $299.95Now: $269.96Was: $299.95 -
On Sale
S&S CYCLE Cylinder Heads 106-4277
S&S CYCLE
MSRP: $2,149.95Now: $1,934.96Was: $2,149.95S&S CYCLE Cylinder Heads 106-4277High port flow gives great performance now, and more later when additional upgrades are done, Heads are fully assembled with springs and valves, Compression ratios vary depending on cylinder heads chosen, pistons used and...09300062- SKU:
- 09300062
- Availability:
- Ships Same Business Day
- Weight:
- 28.65 LBS
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- CYLINDER HEAD KIT
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- SILVER
- UNITS:
- PAIR
- DISPLACEMENT:
- 79 CC
MSRP: $2,149.95Now: $1,934.96Was: $2,149.95 -
On Sale
S&S CYCLE Cylinder Heads - Twin Cam 106-3227
S&S CYCLE
MSRP: $2,149.95Now: $1,934.96Was: $2,149.95S&S CYCLE Cylinder Heads Twin Cam 106-3227High port flow gives great performance now, and more later when additional upgrades are done, Heads are fully assembled with springs and valves, Compression ratios vary depending on cylinder heads chosen, pistons...09300063- SKU:
- 09300063
- Availability:
- Ships Same Business Day
- Weight:
- 28.50 LBS
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- CYLINDER HEAD KIT
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 79 CC
- COLOR/FINISH:
- SILVER
- UNITS:
- PAIR
MSRP: $2,149.95Now: $1,934.96Was: $2,149.95 -
On Sale
S&S CYCLE Cylinder Heads - Twin Cam 106-3233
S&S CYCLE
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95S&S CYCLE Cylinder Heads Twin Cam 106-3233High port flow gives great performance now, and more later when additional upgrades are done, Heads are fully assembled with springs and valves, Compression ratios vary depending on cylinder heads chosen, pistons...09300064- SKU:
- 09300064
- Availability:
- Ships Same Business Day
- Weight:
- 28.65 LBS
- COLOR/FINISH:
- WRINKLE BLACK
- DISPLACEMENT:
- 79 CC
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- PRODUCT NAME:
- CYLINDER HEAD KIT
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- SUPER STOCK
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95 -
On Sale
S&S CYCLE Cylinder Heads - Twin Cam 106-3255
S&S CYCLE
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95S&S CYCLE Cylinder Heads Twin Cam 106-3255High port flow gives great performance now, and more later when additional upgrades are done, Heads are fully assembled with springs and valves, Compression ratios vary depending on cylinder heads chosen, pistons...09300065- SKU:
- 09300065
- Availability:
- Ships Same Business Day
- Weight:
- 28.65 LBS
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPER STOCK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- DISPLACEMENT:
- 89 CC
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- CYLINDER HEAD KIT
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95Qty in Cart: 0Quantity:Price:MSRP: $1,995.95Now: $1,796.36Was: $1,995.95Subtotal: -
On Sale
S&S CYCLE Cylinder Heads - Twin Cam 106-3240
S&S CYCLE
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95S&S CYCLE Cylinder Heads Twin Cam 106-3240High port flow gives great performance now, and more later when additional upgrades are done, Heads are fully assembled with springs and valves, Compression ratios vary depending on cylinder heads chosen, pistons...09300066- SKU:
- 09300066
- Availability:
- Ships Same Business Day
- Weight:
- 28.50 LBS
- COLOR/FINISH:
- WRINKLE BLACK
- DISPLACEMENT:
- 89 CC
- UNITS:
- PAIR
- PRODUCT NAME:
- CYLINDER HEAD KIT
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- SUPER STOCK
- RIDING STYLE:
- STREET
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95 -
On Sale
S&S CYCLE Headbolt Kit 93-3070
S&S CYCLE
MSRP: $142.95Now: $128.66Was: $142.95S&S CYCLE Headbolt Kit 93-3070Includes eight 3.374" headbolts and eight .100" washers, For use with S&S Twin Cam-style heads and custom applications that require equal length headbolts, Made in the U.S.A.09300023- SKU:
- 09300023
- Availability:
- Ships Same Business Day
- Weight:
- 1.64 LBS
MSRP: $142.95Now: $128.66Was: $142.95 -
On Sale
S&S CYCLE Cylinder Heads - Twin Cam 90-1293
S&S CYCLE
MSRP: $1,815.95Now: $1,634.36Was: $1,815.95S&S CYCLE Cylinder Heads Twin Cam 90-1293High port flow gives great performance now, and more later when additional upgrades are done, Heads are fully assembled with springs and valves, Compression ratios vary depending on cylinder heads chosen, pistons...09300058- SKU:
- 09300058
- Availability:
- Ships Same Business Day
- Weight:
- 28.70 LBS
- COLOR/FINISH:
- WRINKLE BLACK
- DISPLACEMENT:
- 79 CC
- PRODUCT NAME:
- CYLINDER HEAD KIT
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- SUPER STOCK
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
MSRP: $1,815.95Now: $1,634.36Was: $1,815.95 -
On Sale
S&S CYCLE Tappet Roller Kit 330-0377
S&S CYCLE
MSRP: $163.95Now: $147.56Was: $163.95S&S CYCLE Tappet Roller Kit 330-0377High-quality tappet roller kit, Made from 52100 bearing material, Includes 4340 chromoly axles, Made in the U.S.A.09290049- SKU:
- 09290049
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- PRODUCT NAME:
- ROLLER KIT
- TYPE:
- TAPPET
- MATERIAL:
- 52100 STEEL
- MATERIAL:
- CHROMOLY STEEL
MSRP: $163.95Now: $147.56Was: $163.95 -
On Sale
S&S CYCLE Lifters - Standard 330-0380
S&S CYCLE
MSRP: $699.95Now: $629.96Was: $699.95S&S CYCLE Lifters Standard 330-0380Precision-machined and heat-treated bodies, Premium-quality anti-pump-up hydraulic inserts, Eliminate noise from the mechanical valve train, Made in the U.S.A.09290051- SKU:
- 09290051
- Availability:
- Ships Same Business Day
- Weight:
- 1.14 LBS
- SIZE IMPERIAL:
- STANDARD
- UNITS:
- SET OF 4
- RIDING STYLE:
- STREET
- STYLE:
- HYDRAULIC
- PRODUCT NAME:
- TAPPET
- SIZE:
- STANDARD
MSRP: $699.95Now: $629.96Was: $699.95 -
On Sale
S&S CYCLE Lifters - +.003 330-0381
S&S CYCLE
MSRP: $835.95Now: $752.36Was: $835.95S&S CYCLE Lifters +.003 330-0381Precision-machined and heat-treated bodies, Premium-quality anti-pump-up hydraulic inserts, Eliminate noise from the mechanical valve train, Made in the U.S.A.09290052- SKU:
- 09290052
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- RIDING STYLE:
- STREET
- STYLE:
- HYDRAULIC
- PRODUCT NAME:
- TAPPET
- SIZE:
- OVERSIZE (+0,003')
- SIZE IMPERIAL:
- OVERSIZE (+0.003')
- UNITS:
- SET OF 4
MSRP: $835.95Now: $752.36Was: $835.95 -
On Sale
S&S CYCLE High-Quality Tappet Roller Kit 330-0378
S&S CYCLE
MSRP: $183.95Now: $165.56Was: $183.95S&S CYCLE High-Quality Tappet Roller Kit 330-0378Made from 52100 bearing material, Include 4340 chromoly axles09290053- SKU:
- 09290053
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- TYPE:
- TAPPET
- PRODUCT NAME:
- ROLLER KIT
- MATERIAL:
- 52100 STEEL
- MATERIAL:
- CHROMOLY STEEL
MSRP: $183.95Now: $165.56Was: $183.95 -
On Sale
S&S CYCLE Lifter - Standard - XL 330-0288
S&S CYCLE
MSRP: $226.95Now: $204.26Was: $226.95Features precision-hardened ball-type check valve to provide superior sealing and lash control, Valve seal is self-cleaning, making it less susceptible to noise caused by oil contamination, Lifter body and roller are heat-treated for improved strength...09290055- SKU:
- 09290055
- Availability:
- Ships Same Business Day
- Weight:
- 20.00 LBS
MSRP: $226.95Now: $204.26Was: $226.95 -
On Sale
S&S CYCLE Lifters with HL‚²T Kit 33-5353
S&S CYCLE
MSRP: $409.95Now: $368.96Was: $409.95S&S CYCLE Lifters with HL²T Kit 33-5353Rollers have a larger-than-stock inner bearing race that reduces stress and increases axle life, Each lifter body and plunger assembly is hand-fit and pressure-tested to ensure correct operation, Redesigned plunger...09290061- SKU:
- 09290061
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PRODUCT NAME:
- LIFTER
- UNITS:
- SET OF 4
- RIDING STYLE:
- STREET
- STYLE:
- HYDRAULIC
MSRP: $409.95Now: $368.96Was: $409.95 -
On Sale
S&S CYCLE Lifter Guide 330-0741
S&S CYCLE
MSRP: $81.95Now: $73.76Was: $81.95S&S CYCLE Lifter Guide 330-0741Hard anodized black coating for maximum wear resistance, Billet aluminum construction, Stronger material eliminates distortion, Improve tappet stability in high lift and high rpm situations, An easy upgrade when changing...09290087- SKU:
- 09290087
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- TAPPET CUFFS
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
MSRP: $81.95Now: $73.76Was: $81.95 -
On Sale
S&S CYCLE Cylinder Head Kit - Big Twin 90-1004
S&S CYCLE
MSRP: $1,949.95Now: $1,754.96Was: $1,949.95S&S CYCLE Cylinder Head Kit Big Twin 90-1004S&S heads give great performance, and work with additional upgrades, Kits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift), Intake manifold, pistons and gasket...09300007- SKU:
- 09300007
- Availability:
- Ships Same Business Day
- Weight:
- 24.55 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ALUMINUM
- UNITS:
- PAIR
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- CYLINDER HEAD KIT
MSRP: $1,949.95Now: $1,754.96Was: $1,949.95
