1. Pistons, Rings & Piston Kits Products
  2. sku: 10231031994451663
  3. TWIN 11-0310

V-TWIN 11-0310 Piston Kit Big Mfg. .030

fits make: Harley. year: 1941–1978.

11-0310 V-twin Mfg. Piston Kit For Harley Big 1941-1978 .030 Inch

( Brand: V-twin ), ( Manufacturer Part Number: 11-0310 ), ( Type: Motorcycle / Harley-davidson )

Review V TWIN Mfg. Piston Kit For Harley Big .030 Inch fits 1941–1978

Introducing the V-Twin 11-0310 Mfg Piston Kit, an essential upgrade for Harley-Davidson Big Twin engines from 1941 to 1978 (model years 030 included). This piston kit is meticulously crafted to provide superior performance and reliability for your vintage motorcycle.

Each piston is engineered using high-quality forged aluminum alloy, ensuring a strong and durable construction. The piston crown is designed with a perfectly balanced dome shape, optimizing combustion efficiency and power output. The skirt of the piston is treated with a special coating to minimize friction and wear, while the piston pin bore is precision-machined to ensure a perfect fit.

The piston rings included in this kit are manufactured using a high-performance alloy, ensuring a tight seal and improved compression. The top ring design features a split-ring groove, making installation easier and more precise. The piston rings are also designed to minimize friction and wear, ensuring optimal engine performance over time.

This V-Twin Mfg Piston Kit also includes new piston pins, made of high-strength steel. The pins are precision-machined to ensure a perfect fit and are designed to minimize wear and friction, providing a smoother engine operation.

The piston kit comes complete with all necessary hardware, including piston clips, piston pin bushings, and retaining clips. Each component is carefully inspected to ensure the highest quality and fitment.

Installing this piston kit is a straightforward process, making it an ideal upgrade for Harley-Davidson Big Twin enthusiasts looking to enhance the performance of their vintage motorcycle. With its high-quality materials, precision engineering, and comprehensive design, the V-Twin 11-0310 Mfg Piston Kit is the perfect solution for those seeking reliable and powerful performance from their classic Harley-Davidson engine.

V-Twin 11-0310 Mfg Piston Kit for Harley Big Twin 1941-1978: A Comprehensive Analysis

Introduction:

The V-Twin 11-0310 Mfg piston kit is designed to fit Harley-Davidson Big Twin engines from 1941 to 1978. This piston kit is an aftermarket option and promises improved engine performance. In this analysis, we will discuss the pros and cons of purchasing this piston kit.

Pros:

1. Enhanced Engine Performance: The piston kit is designed to provide better engine performance by reducing friction, improving compression, and increasing power output.

2. High-Quality Material: The pistons are made of forged aluminum alloy, ensuring durability and resistance to wear and tear.

3. Improved Fuel Efficiency: The piston kit can help improve fuel efficiency by reducing engine drag and improving the power stroke.

4. OEM Quality: The piston kit is designed to meet or exceed OEM specifications, ensuring a proper fit and reliable operation.

5. Affordable: Compared to other aftermarket piston kits, the V-Twin 11-0310 Mfg piston kit is relatively affordable.

Cons:

1. Installation Complexity: Installing the piston kit can be a complex process that requires specialized tools and expertise.

2. Potential Engine Damage: Installing the piston kit incorrectly can cause damage to the engine.

3. Additional Costs: The piston kit does not include all the necessary hardware for installation, requiring additional purchases.

4. Limited Warranty: The piston kit comes with a limited warranty, which may not cover all potential issues.

Conclusion:

The V-Twin 11-0310 Mfg piston kit offers several benefits, including improved engine performance, high-quality materials, and fuel efficiency. However, it also comes with some drawbacks, such as installation complexity, potential engine damage, additional costs, and a limited warranty.

Recommendation:

If you have the necessary expertise and tools to install the piston kit correctly, and you are willing to accept the potential risks, then the V-Twin 11-0310 Mfg piston kit can be a worthwhile investment for those seeking to enhance the performance of their Harley-Davidson Big Twin engine. However, for those who are less experienced or lack the necessary resources, it may be wiser to consider alternative options or to consult a professional mechanic for advice.

Details:

Open box return. Electra Glide Sport FLHS 1977, 1978. FLF 1953-1964. Good condition.

FL 1941-1965. One piston has a discoloration spot on it but is not scratch. EL 1941-1952. Most parts still in original sealed packaging.

part #: 110310 prices

  • $99.99-$148.73

specifications pistondon:

  • for makes: Harley
  • for years: 1941-1978
  • brand: V-twin
  • mpn: 11-0310
  • type: Motorcycle / Harley-davidson

general pistondon:

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

seller pistondon:

  • # reviews: 12869
  • city: Phoenix, Arizona
  • rating: 99.7%

offer pistondon:

  • availability: In Stock
  • started: January 27, 2026
  • sold: 0
  • quantity: 1
  • options: Ship-to-home

returns pistondon:

  • policy: No Returns

payments pistondon:

  • other
  • credit card: Visa
  • wallet: Google-pay

shipping pistondon:

  • cost: $0.00
  • type: Fixed
  • transit: 2-6 Days
  • service: FedEx Ground Economy
  • class: Economy
  • carrier: FedEx
for makes: harley, for years: 1941-1978, type: motorcycle / harley-davidson,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 10231031994451663,

V-twin 11-0310 Is Similar To:

pistondon logo
5 offers $99.99–$148.73 USD
  • Offer #1: $99.99 price + $0.00 shipping estimate = $99.99* total. FLHF 1955-1972. Good condition.FREE SHIPPING
  • Offer #2: $148.73 price + $9.98 shipping estimate = $158.71* total. 030 oversize with compression ratio of 7.5:1 Piston set 3-7/16 bore.+$9.98 shipping
  • Offer #3: $99.99 price + $0.00 shipping estimate = $99.99* total. FLH 1955-1978 FLHB 1965, 1966, 1967, 1968, 1969. Piston rings have been opened but all are included.FREE SHIPPING
  • Offer #4: $80.00 price + $0.00 shipping estimate = $80.00* total. Pistons have a steel expansion control strut.**Note:Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings.Fits Vtwins:FL 1941-1977FX 1971-1977 Part # Piston set 3-7/16" bore .030 oversize with compression ratio of 7.5:1.FREE SHIPPING
  • Offer #5: $149.95 price + $25.35 shipping estimate = $175.30* total. Regarding the parts. "A picture speaks a thousand words" and the condition of these parts is best represented by our photographs.+$25.35 shipping

Copyright © pistondon.com