PERSAN EN7-426-Z Piston Set Ovs 124 1756 1995CC 84.6MM

( Brand: Persan ), ( Manufacturer Part Number: EN7-426-Z ), ( Part Type: Piston ), ( Country Of Origin: Argentina )

Review PERSAN Piston Set Fiat 124 Spider And 1995 Ovs fits 1974–1985

The **Persan EN7-426-Z Piston Set** is a meticulously engineered aftermarket component designed specifically for the high-performance and reliability demands of the **1974 1985 Fiat 124 Spider (1756cc, 84.6mm OVH)**, a legendary roadster known for its lightweight chassis, spirited handling, and enduring mechanical simplicity. Crafted from **high-grade aluminum alloy**, these pistons are precision-machined to exacting tolerances, ensuring optimal compression ratios and efficient power delivery while maintaining the engine s original displacement. The **forged steel wrist pins** are press-fit into the pistons, providing exceptional durability and resistance to wear, even under aggressive driving conditions or modified setups. Each piston is treated with a **hard-anodized coating** to enhance wear resistance and thermal stability, reducing the risk of scoring or distortion during high-load operation. The **compression height** is carefully calibrated to match the Fiat 124 s stock specifications, allowing for seamless integration with the original crankshaft and connecting rods, whether you re restoring a classic example or upgrading an engine for modern performance. Whether you re chasing vintage racing heritage, restoring a show-quality roadster, or pushing the limits of a modified engine, this piston set delivers the strength, precision, and longevity required to keep your **1756cc Fiat 124** running with the same fiery spirit it was built for without compromising on authenticity or performance. Built to withstand the rigors of both daily driving and spirited use, these pistons are a testament to Persan s commitment to quality, ensuring your engine remains a reliable and exhilarating powerplant for years to come.

### Pros and Cons of buying a Persian EN7-426-Z Piston Set for a 1974-1985 Fiat 124 (1756cc, 84.6mm OVS)

1. **OEM Compatibility** The EN7-426-Z piston set is designed specifically for the 1756cc Fiat 124 engine, ensuring a proper fit without modifications. This reduces the risk of clearance issues or improper sizing.

2. **High-Quality Materials** Persian pistons are known for their durability and resistance to wear, which can extend the lifespan of your engine if installed correctly. The forged construction helps maintain structural integrity under stress.

3. **Performance Potential** While not a high-performance upgrade, these pistons are a solid choice for maintaining stock reliability or as a base for future modifications. They provide a good balance between durability and efficiency.

4. **Widely Available** As an OEM replacement, these pistons are relatively easy to source, either directly from Persian or through trusted aftermarket suppliers. This makes maintenance and repairs more straightforward.

5. **Cost-Effective for Stock Use** If you re not planning aggressive modifications, this piston set offers a reliable, budget-friendly solution compared to aftermarket performance pistons.

6. **Proven Reliability** The Fiat 124 was a well-built engine in its day, and OEM pistons like these have a track record of lasting thousands of miles with proper maintenance.

---

1. **Stock Specifications Only** These pistons are designed for stock displacement (1756cc) and do not support forced induction or significant compression ratio increases. Attempting to use them with a turbo or high-compression setup could lead to premature failure.

2. **Limited Performance Gains** Unlike aftermarket pistons (e.g., forged or high-stress designs), these are not optimized for power output. If you re looking to increase horsepower, you ll need a different set.

3. **Potential for Wear Over Time** While durable, they are not as robust as premium forged pistons, especially under extreme conditions (e.g., aggressive driving, lack of oil changes, or poor maintenance).

4. **Ring and Gasket Compatibility** You may need to replace piston rings and seals simultaneously for optimal performance. Ignoring this could lead to oil consumption or blow-by issues.

5. **Installation Complexity** Replacing pistons requires disassembling the engine, which is labor-intensive and best left to experienced mechanics unless you have the skills and tools.

6. **No Warranty on DIY Installation** If you install them yourself without proper guidance, any issues arising from improper fitting or assembly will not be covered under warranty.

---

The Persian EN7-426-Z piston set is a **solid, cost-effective choice** for maintaining or restoring the stock reliability of your 1974-1985 Fiat 124 engine. It is ideal if you:

- Want a direct OEM replacement without compromising fitment.

- Are not planning forced induction or aggressive modifications.

- Prioritize durability and ease of sourcing over maximum performance.

However, if you intend to modify the engine (e.g., turbocharging, high-compression builds, or significant power increases), you should consider **aftermarket forged pistons** designed for those applications. These pistons are better suited for stock use or mild upgrades but may not meet the demands of high-stress scenarios.

- **Buy the Persian EN7-426-Z set** if you need a reliable, stock-spec replacement and are not pursuing performance modifications.

- **Pair it with new piston rings, seals, and a full engine service** (valves, bearings, oil pump) for long-term reliability.

- **Consult a mechanic** if you re unsure about installation or engine condition, as improper fitting can lead to catastrophic failure.

- **Avoid using these pistons with forced induction** unless they are explicitly rated for it (which they are not).

For most stock or lightly modified Fiat 124 owners, this is a **practical and reasonable choice**. If you re serious about performance, research higher-quality aftermarket options tailored to your goals.

Details:

Persan Piston Set 1974-1985 FIAT 124 Spider 1756 1995 cc 84.6mm OVERSIZE EN7-426-Z.

part #: en7426 price

• $165.58

specifications ouboaen:

• for makes: Fiat
• for years: 1974-1985
• brand: Persan
• mpn: En7-426-z
• part type: Piston
• country of origin: Argentina

shipping ouboaen:

• cost: $15.00
• type: Fixed
• carrier: USPS
• service: USPS Ground Advantage
• transit: 4-10 Days
• class: Standard

payments ouboaen:

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

returns ouboaen:

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

general ouboaen:

• Boat Parts > Outboard Engines Components > Other
• condition: New

seller ouboaen:

• # reviews: 5474
• rating: 99.4%
• city: Irvine, California

offer ouboaen:

• sold: 0
• options: Ship-to-home
• started: April 8, 2026
• quantity: 1
• best offers: True
• availability: In Stock