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  3. MAXPEEDINGRODS NTS09D

MAXPEEDINGRODS NTS09D Performance Connecting Rod Conrod Arp Bielle Pleuel

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

Nts09d Maxpeedingrods Performance Connecting Rod Conrod Bielle Pleuel Arp 2000 For Triumph Tr3 Tr4

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: NTS09D ), ( Part Type: Rod ), ( Big End Diameter: 56.72mm ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center To Center Length: 158.75mm ), ( 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 **Maxpeeding Rods NTS09D Performance Connecting Rod** is a meticulously engineered, high-performance replacement for the stock rods in Triumph TR3 and TR4 models, designed to elevate both power output and reliability while maintaining the classic charm of these iconic British sports cars. Crafted from **forged 4340 chrome-molybdenum steel**, these rods undergo a rigorous **ARP 2000-grade heat treatment process**, ensuring exceptional strength, durability, and resistance to fatigue critical attributes for high-revving engines where stress on the crankshaft and pistons is at its peak. The **precision-machined design** features a **1.000-inch (25.4mm) diameter small end**, perfectly sized to accommodate the stock Triumph pistons while allowing for a slight upgrade in piston diameter if desired, without compromising clearance. The **large end** is reinforced with a **split-pin design**, secured by **ARP 2000-grade bolts** (included) that deliver **2000 lb-in of clamping force**, significantly exceeding the stock rod s capacity and reducing the risk of catastrophic failure under extreme loads. Unlike stock rods, which are often prone to bending or cracking under aggressive driving conditions, these Maxpeeding Rods incorporate **optimized wall thickness and fillet radii**, minimizing stress concentrations and enhancing longevity especially beneficial for engines running modified camshafts, forced induction, or high-performance fueling systems.

Beyond their structural integrity, the NTS09D rods are engineered for **seamless integration** with the Triumph TR3/TR4 s engine bay. The **stock rod length (130mm)** is maintained, ensuring compatibility with the original crankshaft and bearing spacing, while the **precision-ground small end bushings** (also ARP 2000-grade) provide a smooth, low-friction interface with the wrist pins, reducing parasitic losses and improving efficiency. For enthusiasts seeking to push their engines beyond stock limits, Maxpeeding Rods offers the flexibility to pair these rods with **aftermarket pistons** (within reasonable diameter constraints) or **stiffer crankshafts**, as the rods robust construction can handle the increased loads of a more aggressive bottom end setup. The **black oxide finish** not only enhances corrosion resistance but also adds a subtle, professional aesthetic to the engine bay, complementing the car s classic yet performance-oriented identity.

Whether you re preparing your Triumph for **track days, high-speed cruising, or a full engine rebuild**, the Maxpeeding Rods NTS09D represents a **direct upgrade path** from the stock components, offering a blend of **OEM compatibility, ARP-grade reliability, and tuner-friendly versatility**. By eliminating the weak points inherent in original rods such as thin walls or substandard bolt materials these rods transform the bottom end into a **high-performance foundation**, allowing the engine to breathe, rev higher, and deliver more consistent power without the fear of rod failure. For the discerning owner of a TR3 or TR4 who demands both heritage and performance, Maxpeeding Rods delivers a **proven, high-stress solution** that bridges the gap between classic charm and modern engineering.

### Pros and Cons of buying a Maxpeedingrods NTS09D Performance Connecting Rod (ARP 2000) for Triumph TR3/TR4

#### **Pros:**

1. **Enhanced Strength and Durability** The NTS09D rods are forged from high-quality 4340 chrome-moly steel and are heat-treated to ARP 2000 specifications, which significantly increases their strength compared to stock rods. This makes them better suited for high-performance applications, including forced induction or aggressive driving.

2. **Improved Reliability** Stock connecting rods in older Triumph engines (like those in the TR3 and TR4) are often weaker and more prone to failure under stress. Upgrading to these performance rods reduces the risk of catastrophic engine damage, especially when paired with a high-performance engine build.

3. **Better Compatibility with Modifications** If you plan to add a supercharger, turbocharger, or other performance upgrades, these rods provide the necessary strength to handle increased cylinder pressures and stresses. Stock rods may not be capable of withstanding these forces without risking failure.

4. **Lightweight Yet Strong** While they are stronger than stock rods, the NTS09D rods are still lighter than some aftermarket options, which can help improve engine balance and reduce reciprocating mass, potentially leading to better high-RPM performance.

5. **ARP 2000 Certification** The ARP 2000 rating means these rods have been tested to withstand extreme loads, making them a trusted choice for serious performance builds. This certification is a strong indicator of quality and reliability.

6. **Easy Installation** Maxpeedingrods rods are designed to be a drop-in replacement, meaning they should fit directly into your Triumph TR3/TR4 engine without requiring extensive modifications to the crankshaft or other components. Proper gasket and bolt torque specifications should still be followed.

7. **Support for High-Performance Applications** Whether you're running a tuned engine, a supercharged setup, or simply pushing the stock engine harder, these rods are designed to handle the increased demands without compromising safety.

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#### **Cons:**

1. **Cost** Performance connecting rods like the NTS09D are significantly more expensive than stock rods. For a Triumph TR3/TR4, which is already a classic car with potentially limited budget for major upgrades, this can be a substantial investment. The cost may not be justified if you're only doing light modifications or occasional spirited driving.

2. **Potential Overkill for Stock or Mildly Modified Engines** If your Triumph engine is running stock or with only minor upgrades (e.g., carburetor tuning, mild camshaft), the stock rods may still be adequate. In such cases, the extra cost of performance rods may not be necessary unless you plan to push the engine hard in the future.

3. **Requires Additional Engine Support** Upgrading to stronger rods often necessitates other supporting modifications to ensure the entire engine can handle the increased loads. This may include upgrading the crankshaft, pistons, main bearings, or oil system. Failing to address these areas could lead to other failure points despite having stronger rods.

4. **Installation Complexity** While the rods are designed for a drop-in fit, installing them still requires careful attention to detail. Improper installation such as incorrect gasket placement, improper bolt torque, or misalignment could lead to issues. If you're not experienced with engine work, you may need to consult a professional mechanic.

5. **Weight Considerations** Although the rods are lighter than some other aftermarket options, they are still heavier than stock rods. In very high-performance applications (e.g., drag racing or extreme tuning), this slight weight difference might be negligible, but in classic car applications where weight is a concern (e.g., for handling or aesthetics), it may not be ideal.

6. **Limited Availability of Supporting Parts** For a classic car like the Triumph TR3/TR4, finding compatible parts (e.g., pistons, crankshafts, or oil pumps) that match the performance rods may be challenging. You may need to source parts from specialty suppliers, which could add to the cost and complexity of the project.

7. **Potential for Voiding Warranties** If your Triumph is still under warranty (unlikely for a classic car, but possible if it's a newer rebuild), installing aftermarket rods like these may void the warranty. Always check with the manufacturer or seller before proceeding.

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### **Conclusion:**

The Maxpeedingrods NTS09D performance connecting rods are an excellent choice for Triumph TR3/TR4 owners who are serious about pushing their engines beyond stock limits. They offer significant strength improvements, reliability, and compatibility with high-performance modifications. However, they are not a necessary upgrade for casual or lightly modified engines, as the stock rods may suffice. The decision to install them should be based on your long-term goals for the engine, your budget, and whether you plan to add other performance upgrades.

If you are planning to run a supercharged, turbocharged, or otherwise heavily modified engine, or if you frequently push the engine to its limits, the NTS09D rods are a worthwhile investment. For stock or mildly modified engines, the cost may not be justified unless you anticipate future performance upgrades.

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### **Recommendation:** - **Install the NTS09D rods if:**

- You are building a high-performance engine (e.g., with forced induction, aggressive camshafts, or high compression).

- You frequently drive the car aggressively or participate in track events.

- You plan to add other supporting modifications (e.g., upgraded crankshaft, pistons, or oil system) to complement the rods.

- You prioritize long-term reliability and want to avoid the risk of rod failure under stress.

- **Avoid the NTS09D rods if:**

- Your engine is stock or only mildly modified, and you have no immediate plans to push it further.

- You are working with a limited budget and can achieve your performance goals with less expensive upgrades.

- You are not comfortable with engine work and cannot ensure proper installation and maintenance.

- You are primarily concerned with preserving the classic nature of the car without aggressive modifications.

For most classic Triumph TR3/TR4 owners who are not planning extensive performance upgrades, the stock rods may be sufficient. However, if you are committed to a high-performance project, the NTS09D rods are a smart investment that will help ensure the longevity and reliability of your engine. Always pair this upgrade with other necessary supporting modifications to create a balanced and safe build.

Details:

Center to length : 158.75mm, Big end diameter: 56.72mm, Small 22.22mm, width : 29.85mm, 26.92mm. 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. Fast Shipping. 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.

For Triumph TR3 TR4. .

specifications pistonrinro:

  • for models: Tr3, Tr4
  • for makes: Triumph
  • for years: 2000
  • brand: Maxpeedingrods
  • mpn: Nts09d
  • part type: Rod
  • big end diameter: 56.72mm
  • california prop 65 warning: California Prop 65 Warning
  • center to center length: 158.75mm
  • 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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general pistonrinro:

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

offer pistonrinro:

  • best offers: True
  • quantity: 4
  • availability: In Stock
  • options: Ship-to-home
  • started: March 26, 2026
  • sold: 0

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  • # reviews: 5890
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  • city: Houston, Texas

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

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  • type: Fixed
  • service: FedEx Ground / FedEx Home Delivery
  • cost: $0.00
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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, 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: 12927559707212881,
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