1. Pistons, Rings & Piston Kits Products
  2. sku: 7238931902650713
  3. KB PERFORMANCE KB921C.020

KB PERFORMANCE KB921C.020 Piston Evolution 800745247506

Kb921c.020 Kb Performance Pistons Piston Fits H-d Evolution

( Brand: Kb Performance ), ( Manufacturer Part Number: KB921C.020 ), ( Part Type: Piston ), ( Bore Oversize: 0.020 ), ( Bore Size: 3.498 ), ( Compression Ratio 2: 10.5 ), ( Piston Material: 4032 Aluminum Alloy ), ( Piston Size: 0, 020 ), ( Units: Kit ), ( Alt Mpn 1: 0910-5060 ), ( Category 1: Cylinders / Heads ), ( Category 2: Top End Kits / Pistons / Rings ), ( Ride Type 1: Motorcycle V-twin Cruiser ), ( Average Delivery Time: 2-3 Days ), ( Package Weight: 2.7000 ), ( Package Length: 8.00 ), ( Manufacturer Warranty: 90 Days ), ( UPC: 800745247506 )

Review KB PERFORMANCE Pistons Piston Fits H d Evolution

The KB Performance KB921C.020 pistons are a high-performance upgrade for Harley-Davidson Evolution engines. These pistons are designed to deliver increased power and torque, making them an excellent choice for riders who want to take their motorcycle's performance to the next level.

Each piston is meticulously crafted from forged aluminum alloy, ensuring superior strength and durability. The piston crown is engineered with a high-performance dome shape, which provides better combustion efficiency and increases power output. The skirt of the piston is ribbed, which reduces piston-to-cylinder wall friction and improves engine breathing.

The KB921C.020 pistons also feature a low compression height, which allows for a more efficient transfer of power from the piston to the crankshaft. This results in smoother engine operation and improved throttle response.

Additionally, these pistons come with rings included, which are designed to provide excellent sealing and reduce engine blowby. The piston pin is also included and is made from high-strength steel, ensuring a secure fit and reliable performance.

These pistons are suitable for use in Harley-Davidson Evolution engines, including those found in Softail, Dyna, and Sportster models. They are recommended for use in high-performance applications and are ideal for riders who are looking to increase the horsepower and torque output of their motorcycle.

In conclusion, the KB Performance KB921C.020 pistons are a top-quality, high-performance upgrade for Harley-Davidson Evolution engines. They are expertly crafted from forged aluminum alloy, feature a high-performance dome shape, and come with rings and a piston pin included. These pistons are designed to deliver increased power and torque, making them an excellent choice for riders who want to take their motorcycle's performance to the next level.

Buying KB Performance KB921C.020 pistons for your Harley-Davidson Evolution engine comes with several pros and cons that you should consider before making a decision.

Pros:

1. Enhanced Performance: KB Performance pistons are designed to provide improved combustion efficiency and power output, which can lead to better engine performance.

2. Durability: These pistons are made from high-quality materials and are designed to withstand the rigors of high-performance riding.

3. Customizable: KB Performance offers various piston options to suit different riding styles and engine configurations, allowing you to tailor the performance of your Harley-Davidson.

Cons:

1. Cost: KB Performance pistons can be more expensive than OEM (original equipment manufacturer) pistons.

2. Installation: Installing aftermarket pistons requires specialized knowledge and tools, which may add to the cost and complexity of the project.

3. Warranty: OEM pistons often come with warranties that cover manufacturing defects, while aftermarket pistons may not have the same level of coverage.

Conclusion:

The decision to buy KB Performance KB921C.020 pistons for your Harley-Davidson Evolution engine ultimately depends on your riding style, budget, and desired level of performance. If you're looking for improved power and efficiency, these pistons can be a worthwhile investment. However, if you're on a tight budget or prefer the peace of mind that comes with an OEM warranty, you may want to consider other options.

Recommendation:

If you're serious about enhancing the performance of your Harley-Davidson Evolution engine and are willing to invest in high-quality aftermarket parts, KB Performance pistons are a solid choice. However, be prepared for the added cost and complexity of the installation process. If you're unsure about the installation process or the long-term benefits of aftermarket pistons, it may be worth consulting with a Harley-Davidson dealer or experienced mechanic before making a decision.

Details:

Combined shipping available. KB Pistons Piston fits H-D Evolution KB921C.020:: and Ring Kit Pistons forged from 4032 aluminum alloy. 100% satisfaction guaranteed. New superior coated skirts.

PART TYPE Other. Each kit contains two pistons, pins, spiral-lock pin clips and Hastings Molly rings. PISTON MATERIAL4032 Aluminum Alloy. Offset pin design for quiet operation.

part #: kb921c020 prices

  • $112.99-$243.55

specifications pistondon:

  • brand: Kb Performance
  • mpn: Kb921c.020
  • part type: Piston
  • bore oversize: 0.020
  • bore size: 3.498
  • compression ratio 2: 10.5
  • piston material: 4032 Aluminum Alloy
  • piston size: 0, 020
  • units: Kit
  • alt mpn 1: 0910-5060
  • category 1: Cylinders / Heads
  • category 2: Top End Kits / Pistons / Rings
  • ride type 1: Motorcycle V-twin Cruiser
  • average delivery time: 2-3 Days
  • package weight: 2.7000
  • package length: 8.00
  • manufacturer warranty: 90 Days
  • upc: 800745247506

returns pistondon:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer

payments pistondon:

  • wallet: Apple-pay
  • other
  • credit card: Diners-club

general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New

shipping pistondon:

  • type: Calculated
  • carrier: FedEx
  • class: Standard, Expedited, One-day
  • service: FedEx Ground or FedEx Home Delivery, FedEx 2Day, FedEx Standard Overnight
  • cost: $0.00
  • transit: 5-8 Days

seller pistondon:

  • city: Hilliard, Ohio
  • rating: 99.0%
  • # reviews: 471468

offer pistondon:

  • started: July 4, 2025
  • sold: 0
  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
part type: piston, bore oversize: 0.020, bore size: 3.498, compression ratio 2: 10.5, piston material: 4032 aluminum alloy, piston size: 0, 020, units: kit, alt mpn 1: 0910-5060, category 1: cylinders / heads, category 2: top end kits / pistons / rings, ride type 1: motorcycle v-twin cruiser, average delivery time: 2-3 days, package weight: 2.7000, package length: 8.00, manufacturer warranty: 90 days,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 7238931902650713,

Kb Performance KB921C.020 Is Similar To:

pistondon logo
5 offers $112.99–$243.55 USD
  • Offer #1: $243.55 price + $15.00 shipping estimate = $258.55* total.+$15.00 shipping
  • Offer #2: $112.99 price + $0.00 shipping estimate = $112.99* total.FREE SHIPPING
  • Offer #3: $232.00 price + $15.00 shipping estimate = $247.00* total.+$15.00 shipping
  • Offer #4: $262.99 price + $0.00 shipping estimate = $262.99* total.FREE SHIPPING
  • Offer #5: $170.99 price + $24.80 shipping estimate = $195.79* total.+$24.80 shipping

Copyright © pistondon.com