1. Pistons, Rings & Piston Kits Products
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  3. JIMS CP PISTONS 1561

JIMS BY CP PISTONS 1561 Stroker

fits model: Evo. make: Harley.

1561 Jims By Cp Pistons Harley Evo Stroker

( Brand: Jims By Cp Pistons ), ( Manufacturer Part Number: 1561 ), ( Engine Type: 4-stroke ), ( Type: Piston ), ( Machine Type: Street Motorcycle ), ( Piston Diameter: 3.495 )

Review JIMS BY CP PISTONS Harley Stroker fits EVO

Introducing the 1561 Harley-Davidson Evo Stroker Piston: a high-performance upgrade for your Harley-Davidson engine. This piston is specifically designed for the Harley-Davidson Evolution series engines, providing an exceptional power boost and improved engine performance.

The 1561 Evo Stroker Piston is manufactured using a forged aluminum alloy construction, ensuring maximum strength and durability. The piston crown is engineered with a dish shape and a domed design, which optimizes combustion efficiency and enhances power output. The piston skirt is designed with an optimized shape and ring grooves, allowing for a proper seal with the engine cylinder and reducing the frictional losses.

The piston also features a low-friction skirt coating to minimize friction between the piston and the cylinder wall. This coating not only reduces wear and tear but also helps to improve engine efficiency and horsepower.

Additionally, the piston rings are made from a high-quality material that ensures a proper seal in the cylinder bore, reducing the compression losses and improving the engine's overall performance. The piston rings also have a nitrided surface treatment, which enhances their durability and reduces the risk of ring groove scuffing.

The 1561 Harley-Davidson Evo Stroker Piston is designed to provide a stroke length increase, allowing for increased combustion volume and power output. The piston is also designed to work in harmony with other performance upgrades, such as camshafts, intake systems, and exhaust systems, to deliver maximum power gains.

This piston is a direct replacement for the original Harley-Davidson Evo piston and is easy to install. It comes with all necessary hardware and installation instructions. By upgrading to the 1561 Harley-Davidson Evo Stroker Piston, you'll experience improved engine performance, increased horsepower, and a more exhilarating riding experience.

Buying a Harley-Davidson Evo Stroker piston upgrade can provide several benefits for Harley-Davidson motorcycles with Evo engines. Here are some pros and cons to consider before making a purchase.

Pros:

1. Increased Power: One of the primary reasons for upgrading to stroker pistons is to increase the power output of your Harley-Davidson. This can lead to improved acceleration and overall performance.

2. Improved Engine Durability: Stroker pistons are designed to handle more power and heat than stock pistons. This can lead to increased engine durability and a longer lifespan for your engine.

3. Customization: Installing stroker pistons is a popular modification among Harley-Davidson enthusiasts. It allows riders to customize their bikes and stand out from the crowd.

Cons:

1. Cost: Upgrading to stroker pistons can be a costly modification. The pistons themselves can cost several hundred dollars, and you may also need to purchase other components, such as connecting rods and crankshafts, to ensure compatibility.

2. Installation Complexity: Installing stroker pistons requires a significant amount of expertise and experience. It is not a DIY project and should be left to a professional mechanic.

3. Potential for Engine Damage: If not installed correctly, stroker pistons can cause engine damage. This is why it is essential to use a reputable manufacturer and installer.

Conclusion:

Upgrading to stroker pistons can provide several benefits, including increased power, improved engine durability, and customization. However, it also comes with some drawbacks, such as cost, installation complexity, and the potential for engine damage if not installed correctly. Ultimately, the decision to buy stroker pistons for your Harley-Davidson Evo engine depends on your budget, technical expertise, and desired level of performance.

Recommendation:

If you are considering purchasing stroker pistons for your Harley-Davidson Evo engine, it is essential to do your research and work with a reputable manufacturer and installer. Look for a company that has a proven track record of quality work and positive customer reviews. Additionally, consider the cost and potential risks before making a purchase. If you have the budget, technical expertise, and desire for increased performance, then stroker pistons may be a worthwhile investment for your Harley-Davidson.

Details:

Excellent condition almost new only 417 miles on the Pistons. Built for use with std bore and 4 5/8 stroke.

part #: 1561 price

  • $135.00

specifications pistondon:

  • for models: Evo
  • for makes: Harley
  • brand: Jims By Cp Pistons
  • mpn: 1561
  • engine type: 4-stroke
  • type: Piston
  • machine type: Street Motorcycle
  • piston diameter: 3.495

payments pistondon:

  • wallet: Paypal
  • other
  • credit card: Diners-club

seller pistondon:

  • city: Covington, Georgia
  • rating: 100.0%
  • # reviews: 68

shipping pistondon:

  • service: USPS Priority Mail
  • type: Calculated
  • class: Expedited
  • cost: $29.43
  • carrier: USPS
  • transit: 4-13 Days

offer pistondon:

  • started: August 26, 2025
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • best offers: True
  • sold: 0

returns pistondon:

  • policy: No Returns

general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: Used
for models: evo, for makes: harley, engine type: 4-stroke, type: piston, machine type: street motorcycle, piston diameter: 3.495,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 7968101929647623,

Jims By Cp Pistons 1561 Is Similar To:

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1 offer $135.00 USD
  • Offer #1: $135.00 price + $15.00 shipping estimate = $150.00* total. High-performance forged design for strength and durability under high compression. JIMS USA FORGED ALUMINUM 89 STROKER PISTONS PART# B.+$15.00 shipping

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