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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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...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'
$135.63Qty in Cart: 0Quantity:Price:$135.63Subtotal: -
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...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...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
$135.63Qty in Cart: 0Quantity:Price:$135.63Subtotal: -
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...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
$151.53 -
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...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...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
$157.89 -
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...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...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...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...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...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
$180.15Qty in Cart: 0Quantity:Price:$180.15Subtotal: -
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...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...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
$180.15Qty in Cart: 0Quantity:Price:$180.15Subtotal: -
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...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,...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...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
$108.07Qty in Cart: 0Quantity:Price:$108.07Subtotal: -
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...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...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...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...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
