Harley Pistons Only
Upgrade your engine’s performance with heavy-duty Harley pistons that offer durability and reliability for sustained power output during long rides or high-speed conditions.
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- Price
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DRAG SPECIALTIES Piston - Twin Cam 21988-07+.005
DRAG SPECIALTIES
$135.63Twin Cam engine rebuilds demand pistons that balance OEM reliability with cost-effectiveness—and this Drag Specialties piston delivers both. The cast aluminum alloy construction with friction-reducing coating keeps operating temperatures down while...09110018- SKU:
- 09110018
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- BORE - OVERSIZE:
- +0,005'
- COMPRESSION RATIO IMPERIAL:
- 9.2:1
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.755'
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- PISTON DIAMETER IMPERIAL:
- 3.755'
- PRODUCT NAME:
- PISTON
- STROKE LENGTH IMPERIAL:
- 4-3/8'
$135.63 -
DRAG SPECIALTIES Piston - Twin Cam 21988-07+.010
DRAG SPECIALTIES
$135.63OEM-quality piston replacement is essential for maintaining engine integrity and performance in your Twin Cam build. This cast aluminum alloy construction delivers the durability you need for reliable street or track operation, while the...09110019- SKU:
- 09110019
- Availability:
- Ships Same Business Day
- Weight:
- 2.51 LBS
- BORE - OVERSIZE:
- +0,010'
- COMPRESSION RATIO IMPERIAL:
- 9.2:1
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
- PISTON DIAMETER IMPERIAL:
- 3.760'
- BORE SIZE IMPERIAL:
- 3.760'
- PRODUCT NAME:
- PISTON
- STROKE LENGTH IMPERIAL:
- 4-3/8'
$135.63 -
DRAG SPECIALTIES Piston - Twin Cam 21988-07
DRAG SPECIALTIES
$135.63Twin Cam engines demand pistons that balance OEM reliability with measurable performance gains. This DRAG SPECIALTIES piston set delivers cast aluminum construction with a low-friction coating that reduces wear, lowers operating temperatures, and extends...09110017- SKU:
- 09110017
- Availability:
- Ships Same Business Day
- Weight:
- 2.61 LBS
- BORE SIZE IMPERIAL:
- 3.750'
- PISTON DIAMETER IMPERIAL:
- 3.750'
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- COMPRESSION RATIO IMPERIAL:
- 9.2:1
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PRODUCT NAME:
- PISTON
$135.63 -
DRAG SPECIALTIES Piston - Twin Cam 21989-07+.005
DRAG SPECIALTIES
$151.53Twin Cam engines demand pistons that balance OEM reliability with cost-effectiveness, and this Drag Specialties offering delivers both without compromise. The cast aluminum alloy construction paired with a friction-reducing coating ensures cooler running...09110022- SKU:
- 09110022
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- PISTON DIAMETER IMPERIAL:
- 3.875'
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.875'
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- BORE - OVERSIZE:
- +0,005'
- COMPRESSION RATIO IMPERIAL:
- 9.6:1
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- PRODUCT NAME:
- PISTON
$151.53Qty in Cart: 0Quantity:Price:$151.53Subtotal: -
DRAG SPECIALTIES Piston - Twin Cam 21930-99-005
DRAG SPECIALTIES
$157.89Twin Cam engines demand pistons engineered for high-RPM reliability and consistent performance across extended race sessions. The DRAG Specialties piston delivers the precision fit and material quality necessary to maintain ring seal integrity under...09110042- SKU:
- 09110042
- Availability:
- Ships Same Business Day
- Weight:
- 2.76 LBS
- BORE - OVERSIZE:
- +0,005'
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.750'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.005'
$157.89 -
DRAG SPECIALTIES Piston - Twin Cam 21930-99-010
DRAG SPECIALTIES
$157.89Twin Cam engines demand pistons engineered for extreme combustion pressures and sustained high RPM operation. The DRAG Specialties Piston delivers the precision fit and durability required to maintain peak performance and reliability in demanding riding...09110043- SKU:
- 09110043
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.750'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,010'
- UNITS:
- EACH
$157.89Qty in Cart: 0Quantity:Price:$157.89Subtotal: -
DRAG SPECIALTIES Piston - Twin Cam 21930-99-020
DRAG SPECIALTIES
$157.89Twin Cam motors demand pistons engineered for high-revving reliability and consistent ring seal under extreme combustion pressures. The DRAG Specialties piston delivers OEM-quality construction with the precision tolerances required for forced induction...09110044- SKU:
- 09110044
- Availability:
- Ships Same Business Day
- Weight:
- 2.76 LBS
- BORE SIZE IMPERIAL:
- 3.750'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- +0,020'
- UNITS:
- EACH
$157.89 -
DRAG SPECIALTIES Pistons - Big Bore 22661-99A-STD
DRAG SPECIALTIES
$173.79If you're running a Twin Cam engine and need reliable big bore performance, these Drag Specialties pistons deliver the precision fit and durability demanded by serious riders. Built to handle elevated compression and sustained high-RPM demands, they're...09110045- SKU:
- 09110045
- Availability:
- Ships Same Business Day
- Weight:
- 2.76 LBS
- BORE SIZE IMPERIAL:
- 3.875'
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- UNITS:
- EACH
$173.79 -
DRAG SPECIALTIES Pistons - Big Bore 22661-99A-005
DRAG SPECIALTIES
$173.79If you're running a Twin Cam engine and demand maximum displacement without compromising reliability, big bore pistons are non-negotiable. DRAG Specialties' 22661-99A-005 pistons deliver the increased swept volume you need for serious top-end power while...09110046- SKU:
- 09110046
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,005'
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- PRODUCT NAME:
- PISTON
- STYLE:
- BIG BORE
- BORE SIZE IMPERIAL:
- 3.875'
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- UNITS:
- EACH
$173.79 -
DRAG SPECIALTIES Pistons - Big Bore 22661-99A-010
DRAG SPECIALTIES
$173.79If you're running a Twin Cam engine and demand reliability at high RPM, stock pistons won't cut it. DRAG Specialties Big Bore pistons are engineered to handle the demands of aggressive tuning while maintaining structural integrity under sustained power...09110047- SKU:
- 09110047
- Availability:
- Ships Same Business Day
- Weight:
- 2.76 LBS
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- +0,010'
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- STYLE:
- BIG BORE
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.875'
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$173.79 -
DRAG SPECIALTIES Pistons - Standard - M8 21900049-STD
DRAG SPECIALTIES
$180.15The piston is the powerhouse of your engine's combustion cycle—it converts fuel ignition into mechanical force, and worn or damaged pistons directly compromise compression, power output, and reliability. DRAG Specialties pistons are engineered to OEM...09110049- SKU:
- 09110049
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- BORE SIZE IMPERIAL:
- 3.937'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 107'
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
$180.15 -
DRAG SPECIALTIES Pistons - M8 21900049-005
DRAG SPECIALTIES
$180.15The M8 engine demands pistons engineered for high-revving reliability and consistent power delivery across extended racing seasons. DRAG Specialties pistons are precision-manufactured to OEM specifications, ensuring proper ring seal, minimal blow-by, and...09110050- SKU:
- 09110050
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- BORE SIZE IMPERIAL:
- 3.937'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- BORE - OVERSIZE:
- +0,005'
- DISPLACEMENT:
- 107'
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
$180.15 -
DRAG SPECIALTIES Pistons - M8 21900049-010
DRAG SPECIALTIES
$180.15Whether you're building a high-revving M8 or restoring one to factory specifications, quality pistons are the foundation of reliable power delivery. DRAG Specialties pistons are engineered to withstand the demands of aggressive riding and track use while...09110051- SKU:
- 09110051
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.937'
- DISPLACEMENT:
- 107'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,010'
- PISTON MATERIAL:
- ALUMINUM ALLOY
$180.15 -
DRAG SPECIALTIES Pistons - M8 21900048-STD
DRAG SPECIALTIES
$180.15High-performance pistons are the foundation of reliable engine output, and Drag Specialties has engineered these M8 pistons for maximum durability under sustained load. Whether you're rebuilding after a race or performing preventive maintenance on a...09110053- SKU:
- 09110053
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- BORE SIZE IMPERIAL:
- 4.000'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- DISPLACEMENT:
- 114'
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
$180.15 -
DRAG SPECIALTIES Piston - XL 750751-BX-LB1
DRAG SPECIALTIES
$108.07Stock piston wear is a direct path to reduced compression, power loss, and engine degradation. The DRAG SPECIALTIES XL 750751-BX-LB1 delivers OEM-quality construction at an economical price point, making it the sensible choice for riders who need...DS750751- SKU:
- DS750751
- Availability:
- Ships Same Business Day
- Weight:
- 2.18 LBS
- BORE - OVERSIZE:
- +0,010'
- BORE SIZE IMPERIAL:
- 3.197'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- RIDING STYLE:
- STREET
- PISTON DIAMETER IMPERIAL:
- 3.197'
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- UNITS:
- PAIR
$108.07 -
DRAG SPECIALTIES Piston - XL 750752-BX-LB1
DRAG SPECIALTIES
$108.07If your XL 750 is running original pistons, you're leaving performance and reliability on the table. This DRAG SPECIALTIES piston kit delivers OEM-equivalent quality with a friction-reducing coating that keeps temperatures down and extends piston...DS750752- SKU:
- DS750752
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
- BORE SIZE IMPERIAL:
- 3.207'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- BORE - OVERSIZE:
- +0,020'
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PISTON DIAMETER IMPERIAL:
- 3.207'
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- UNITS:
- PAIR
$108.07 -
DRAG SPECIALTIES Piston - XL 750753-BX-LB1
DRAG SPECIALTIES
$108.07Your engine's pistons are the workhorses that convert combustion into power—when they wear out, performance and efficiency suffer. The DRAG SPECIALTIES XL 750753-BX-LB1 delivers OEM-quality construction at an economical price point, making it the smart...DS750753- SKU:
- DS750753
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- PISTON DIAMETER IMPERIAL:
- 3.217'
- RIDING STYLE:
- STREET
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- UNITS:
- PAIR
- BORE - OVERSIZE:
- +0,030'
- BORE SIZE IMPERIAL:
- 3.217'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
$108.07Qty in Cart: 0Quantity:Price:$108.07Subtotal: -
DRAG SPECIALTIES Piston - XL 750754-BX-LB1
DRAG SPECIALTIES
$108.07Your engine's pistons are critical to reliable power delivery and longevity. Whether you're rebuilding after wear or replacing factory parts, the DRAG SPECIALTIES XL 750754-BX-LB1 delivers OEM-equivalent quality without the premium price tag. The...DS750754- SKU:
- DS750754
- Availability:
- Ships Same Business Day
- Weight:
- 2.31 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.040'
- BORE SIZE IMPERIAL:
- 3.227'
- BORE - OVERSIZE:
- +0,040'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- PISTON DIAMETER IMPERIAL:
- 3.227'
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- UNITS:
- PAIR
$108.07 -
DRAG SPECIALTIES Piston 750701-BX-LB1
DRAG SPECIALTIES
$119.73Stock piston wear compromises compression, increases friction losses, and degrades engine efficiency—replacing them with quality OEM-spec pistons restores your engine's baseline performance and reliability. The DRAG SPECIALTIES 750701-BX-LB1 delivers...DS750701- SKU:
- DS750701
- Availability:
- Ships Same Business Day
- Weight:
- 3.06 LBS
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- +0,010'
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- PISTON DIAMETER IMPERIAL:
- 3.447'
- STROKE LENGTH IMPERIAL:
- 3-31/32'
- BORE SIZE IMPERIAL:
- 3.437'
- COMPRESSION RATIO IMPERIAL:
- 8.5:1
$119.73 -
DRAG SPECIALTIES Piston 750702-BX-LB1
DRAG SPECIALTIES
$119.73OEM-quality pistons are the foundation of engine reliability and performance—especially when you need a direct replacement without compromising on durability. The DRAG SPECIALTIES 750702-BX-LB1 delivers cast aluminum construction with a friction-reducing...DS750702- SKU:
- DS750702
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- +0,020'
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH IMPERIAL:
- 3-31/32'
- UNITS:
- PAIR
- BORE SIZE IMPERIAL:
- 3.437'
- COMPRESSION RATIO IMPERIAL:
- 8.5:1
- RIDING STYLE:
- STREET
- PISTON DIAMETER IMPERIAL:
- 3.457'
$119.73
