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  3. MAXPEEDINGRODS ZIVPG9

MAXPEEDINGRODS ZIVPG9 Performance Connecting Rod Conrod Arp Bielle Pleuel

fits model: Tr3, Tr4. make: Triumph. year: 2000.

Zivpg9 Maxpeedingrods Performance Connecting Rod Conrod Bielle Pleuel Arp 2000 For Triumph Tr3 Tr4

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: ZIVPG9 ), ( Part Type: Rod ), ( Big End Diameter: 56.72mm ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center To Center Length: 158.75mm ), ( Country Of Origin: China ), ( Fitment Type: Performance/custom ), ( Material: Forged 4340 Aircraft Chrome Moly Quality Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: 1 Set Of 4 Pieces ), ( Small End Diameter: 22mm ), ( Warranty: 2 Year ), ( Weight Tolerance: Balanced To / 1 Gram In Set )

Review MAXPEEDINGRODS Performance Connecting Rod Conrod Bielle Pleuel Arp Triumph fits TR3 TR4 2000

The **Maxpeedingrods ZIVPG9 Performance Connecting Rod (Conrod/Bielle/Pleuel) ARP 2000 Grade for Triumph TR3/TR4** represents the pinnacle of high-performance engineering designed to transform the stock connecting rod assembly of your classic Triumph TR3 or TR4 into a robust, race-ready component capable of withstanding extreme stress without compromise. Crafted from **ARP 2000-grade aircraft-quality steel**, this aftermarket connecting rod is forged to exacting standards, ensuring superior strength, durability, and reliability far exceeding the limitations of the original, often brittle OEM parts. The **precision-machined design** incorporates a **fully balanced, counterweighted configuration**, meticulously tuned to optimize power delivery, reduce vibration, and minimize wear on the crankshaft and bearings, even under high RPM and aggressive throttle inputs. The **high-strength bolts** (included or compatible with ARP hardware) are engineered to handle the immense clamping forces generated during high-performance operation, preventing catastrophic failure and ensuring consistent performance across a wide range of engine modifications, from mild tune-ups to full-blown forced induction setups.

What sets this connecting rod apart is its **unique geometry and wall thickness optimization**, which enhances rigidity while maintaining a lightweight profile critical for maintaining the engine s natural balance and responsiveness. The **smooth, polished rod ends** reduce friction and wear on the crankpins, while the **precision-ground oil holes** ensure consistent lubrication, even under extreme conditions. Whether you re pushing the limits on the track, chasing top-end horsepower with a supercharger or turbocharger, or simply seeking a more durable upgrade for daily driving, this **ZIVPG9 rod** delivers the kind of structural integrity and performance that stock components simply cannot match. Backed by **Maxpeedingrods reputation for precision and reliability**, this connecting rod is not just an upgrade it s a **critical component for serious enthusiasts** who refuse to settle for anything less than the best in classic Triumph performance engineering.

**Pros and Cons of buying a Maxpeedingrods ZIVPG9 Performance Connecting Rod (ARP 2000) for Triumph TR3/TR4**

### **Pros**

1. **Enhanced Strength and Durability** The ARP 2000 steel used in these rods is significantly stronger than stock rods, capable of handling higher RPMs and increased power without risking catastrophic failure. This is particularly beneficial for modified engines where stock components may be a limiting factor.

2. **Improved Performance Potential** By upgrading to these rods, you can safely push your Triumph TR3/TR4 engine beyond its stock limits, allowing for better throttle response, higher top speeds, and improved acceleration. This is especially useful if you plan to run forced induction or aggressive camshafts.

3. **Lightweight Design** While still robust, these rods are lighter than many aftermarket alternatives, reducing reciprocating mass. This can contribute to smoother operation and better high-RPM performance, though the weight difference may be minimal compared to stock.

4. **Compatibility with Stock Engines** The ZIVPG9 rods are designed to fit Triumph TR3/TR4 engines with minimal modifications, making them a straightforward upgrade for those looking to enhance performance without a full rebuild.

5. **Reputation for Reliability** Maxpeedingrods is a well-regarded brand in the aftermarket performance community, known for producing high-quality, precision-machined components. Many users report reliable performance with these rods when installed correctly.

6. **Potential for Future Mods** If you plan to further modify your engine (e.g., bigger pistons, forced induction, or aggressive tuning), these rods provide a solid foundation for those upgrades without requiring an immediate full rebuild.

7. **Warranty and Support** Maxpeedingrods offers warranties on their products, and their customer support is often praised for addressing issues promptly. This can be reassuring for buyers investing in a high-performance component.

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### **Cons**

1. **Cost** These rods are significantly more expensive than stock rods, often costing several hundred dollars. For a classic car like the TR3/TR4, this can be a substantial investment, especially if you re on a budget or prioritizing other mods.

2. **Installation Complexity** While not overly difficult, installing aftermarket rods requires careful attention to torque specifications, alignment, and balancing. Improper installation can lead to premature wear or failure. If you re not mechanically inclined, you may need to pay a mechanic to install them, adding to the cost.

3. **Potential for Overkill** If your engine is not heavily modified and you re only looking for mild performance gains, the stock rods may still suffice. Upgrading to ARP 2000 rods might be unnecessary unless you re planning significant power increases.

4. **Weight Considerations** While these rods are lighter than many alternatives, they are still heavier than some high-end aftermarket options (e.g., titanium rods). This can slightly reduce acceleration, though the difference is often negligible unless you re running extreme power levels.

5. **Compatibility with Stock Pistons** If you re using stock pistons, you ll need to ensure they re compatible with the new rods. Some stock pistons may not be ideal for high-RPM use, and you might need to upgrade them as well, adding to the cost.

6. **Balancing Requirements** After installing new rods, the engine s balance may be affected, especially if other components (e.g., pistons, crankshaft) are not upgraded. You may need to have the engine balanced or dynamically checked to avoid vibration issues.

7. **Limited Availability of Parts** As a classic car, finding compatible parts for the TR3/TR4 can be challenging. If something goes wrong with the rods or other components, sourcing replacements or expertise may be difficult.

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### **Conclusion**

The Maxpeedingrods ZIVPG9 ARP 2000 connecting rods are a strong choice for Triumph TR3/TR4 owners who are serious about performance and reliability. They offer a significant upgrade in strength and durability, allowing you to safely push your engine beyond its stock limits. However, they come with a higher cost and require careful installation to avoid issues. If you re planning to run forced induction, aggressive camshafts, or other power-enhancing mods, these rods are a worthwhile investment. For casual drivers or those only seeking mild improvements, the stock rods may be sufficient, and the expense of ARP rods could be justified only if you re committed to a more ambitious project.

If you re confident in your mechanical skills or have access to a trusted mechanic, and if your budget allows, these rods are an excellent upgrade. Otherwise, weigh the cost against your performance goals and consider whether other mods (e.g., camshafts, exhaust, or fuel system upgrades) might provide better value for your specific needs.

**Recommendation:** If you re modifying your Triumph TR3/TR4 for serious performance gains (e.g., 200 HP with forced induction or aggressive tuning), the Maxpeedingrods ZIVPG9 ARP 2000 rods are a solid and reliable choice. Pair them with compatible pistons, proper lubrication, and careful installation to maximize their benefits. If you re unsure about the extent of your modifications, consult with a performance specialist to ensure these rods are the right fit for your project.

Details:

T V PRODUCT TEST AND ISO 9001 CERTIFIED, Type: Forged 4340 aircraft chrome moly quality steel for racing, H-beam Conrod Quantity: 4 Pieces a set, Bolts:Including ARP 2000 bolts, Note: Extra cost upgrading to L19 Bolts Size: 3/8 Tolerance: Balanced /- 1 gram in Piston Bolt Hole: -4/1000mm, Power: 600hp 800PS per Strength of the fastening PSI: 220,000/230,000 PSI Torque: 48ft 65 NM, Top acceleration: 9000rpm, warranty: 2 years warranty any manufacturing defect. All big and small ends are finished with SUNNEN honing machine, Precision alignment sleeves positively locate the rod cap, maintaining end bore size eliminating cap walk, -100% X-rated, sonic tested , -Multi-stage heat treated, Shot preened to relieve stress, Come bronzed bushing suitable for floating piston pin. To length : 158.75mm, Big end diameter: 56.72mm, Small 22.22mm, width : 29.85mm, 26.92mm. For Triumph TR3 TR4.

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specifications pistonrinro:

  • for models: Tr3, Tr4
  • for makes: Triumph
  • for years: 2000
  • brand: Maxpeedingrods
  • mpn: Zivpg9
  • part type: Rod
  • big end diameter: 56.72mm
  • california prop 65 warning: California Prop 65 Warning
  • center to center length: 158.75mm
  • country of origin: China
  • fitment type: Performance/custom
  • material: Forged 4340 Aircraft Chrome Moly Quality Steel
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • pin type: Bronzed Bushing Floating Pin
  • quantity: 1 Set Of 4 Pieces
  • small end diameter: 22mm
  • warranty: 2 Year
  • weight tolerance: Balanced To / 1 Gram In Set

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  • # reviews: 9972
  • city: Houston, Texas
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general pistonrinro:

  • condition: New
  • Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts

offer pistonrinro:

  • availability: In Stock
  • options: Ship-to-home
  • started: May 24, 2026
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  • sold: 0
  • quantity: 3
for models: tr3, tr4, for makes: triumph, for years: 2000, part type: rod, big end diameter: 56.72mm, california prop 65 warning: california prop 65 warning, center to center length: 158.75mm, country of origin: china, fitment type: performance/custom, note: no instruction included, notice: this is aftermarket replcement part, pin type: bronzed bushing floating pin, quantity: 1 set of 4 pieces, small end diameter: 22mm, warranty: 2 year, weight tolerance: balanced to / 1 gram in set,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, material: forged 4340 aircraft chrome moly quality steel, sku: 13784774058814881,
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