MAXPEEDINGRODS ZYQ1CJ Beam Connecting Rods Arp Bolts 4PCS 4340 EN24 SR20

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: ZYQ1CJ ), ( Part Type: Rod Bolt ), ( Big End Diameter: 51mm ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center Length: 136.3mm ), ( 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 Diameter: 22mm ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: 4 Pieces Balanced To / 1 Gram In Set ), ( Surface Finish: Extra Cost For Upgrading To Arp L19 Bolts ), ( Width: 22.8mm )

Review MAXPEEDINGRODS 4pcs 4340 H beam Connecting Rods Arp Bolts Nissan Infiniti fits 2000

The **Maxpeedingrods ZYQ1CJ 4-Piece 4340 EN24 H-Beam Connecting Rods with ARP 2000 Bolts for Nissan/Infiniti SR20** represent a premium, high-performance upgrade designed to transform the durability, strength, and reliability of your SR20 engine. Crafted from **4340 alloy steel**, these rods are forged to exacting standards, ensuring superior fatigue resistance and structural integrity under extreme stress ideal for high-revving applications, forced induction builds, or aggressive daily driving. The **EN24 H-beam design** provides an optimal balance between stiffness and weight, reducing rod deflection while minimizing reciprocating mass, which translates to improved power delivery, smoother operation, and enhanced longevity compared to stock OEM rods. Each rod is meticulously machined to precise tolerances, featuring **ARP 2000-grade bolts** a legendary choice in the aftermarket for their unmatched strength and reliability. These bolts, with their **100% thread-locked, high-strength steel construction**, eliminate the risk of bolt stretch or failure, even under the most demanding conditions, such as nitrous applications or extreme boost levels. The kit includes **four fully matched rods** and **four ARP 2000 bolts**, ensuring a seamless fitment with minimal assembly hassle. Whether you're building a street-legal monster, a track-focused powerhouse, or simply seeking to future-proof your SR20 for higher performance, these rods deliver a robust foundation for serious power gains. Backed by Maxpeedingrods reputation for precision engineering and customer satisfaction, this upgrade is a game-changer for enthusiasts demanding the best in performance and durability.

**Pros and Cons of Buying Maxpeedingrods ZYQ1CJ 4-Piece 4340 EN24 H-Beam Connecting Rods with ARP 2000 Bolts for Nissan/Infiniti SR20**

### **Pros**

1. **Material Quality and Strength**

- The rods are forged from **4340 chromoly steel**, a high-grade alloy known for its strength-to-weight ratio, durability, and resistance to fatigue. This material is superior to cast rods, making it ideal for high-performance applications.

- The **EN24 (En48) steel** used in the bolts further enhances reliability, as it is a high-strength, heat-treated alloy commonly used in racing and high-performance automotive parts.

2. **H-Beam Design**

- The **H-beam cross-section** provides superior strength and rigidity compared to traditional I-beam or D-beam rods. This design distributes stress more evenly, reducing the risk of rod failure under extreme loads, such as those encountered in forced induction or high-RPM applications.

- The H-beam also offers better resistance to bending and torsional forces, which is critical for engines running at high power levels.

3. **ARP 2000 Bolts**

- The inclusion of **ARP 2000 bolts** is a significant upgrade over stock bolts. ARP bolts are **pre-loaded, heat-treated, and designed for high clamping force**, reducing the risk of bolt stretch or failure. This is particularly important for engines under heavy loads, such as turbocharged or supercharged SR20s.

- The **ARP 2000 series** is known for its reliability in extreme conditions, making it a safer choice than aftermarket bolts that may not meet the same standards.

4. **Precision Machining and Fitment**

- Maxpeedingrods is a reputable manufacturer that specializes in high-performance engine components. Their rods are **precisely machined** to fit the SR20 block perfectly, ensuring minimal clearance and optimal performance.

- The rods are **balanced and polished** to reduce friction and improve engine smoothness, which is beneficial for high-RPM applications.

5. **Compatibility and Support**

- These rods are **directly designed for the Nissan/Infiniti SR20 engine**, ensuring compatibility with stock and modified versions of the engine. This reduces the risk of fitment issues that can arise with generic rods.

- Maxpeedingrods provides **detailed installation instructions and customer support**, which can be invaluable for builders who may not have extensive experience with rod replacement.

6. **Longevity and Durability**

- The combination of **4340 steel rods and ARP bolts** is a robust setup that can handle **significant power increases**, including forced induction setups. This makes the rods suitable for both street and track applications.

- Properly installed, these rods can last the lifetime of the engine, provided maintenance and inspection are performed regularly.

7. **Value for Money**

- While these rods are not the cheapest option on the market, they offer a **high-quality alternative to custom-built or premium aftermarket rods** (e.g., those from companies like JE or Manley). For buyers who want a balance between cost and performance, this is a strong choice.

- The inclusion of ARP bolts adds significant value, as these bolts are often sold separately and can be expensive.

---

### **Cons**

1. **Cost**

- The **price of these rods is higher than stock or basic aftermarket options**. A full set of 4340 H-beam rods with ARP bolts can cost several hundred dollars, which may be a significant investment for builders on a tight budget.

- If the engine is not heavily modified or not running extreme power levels, some builders might opt for less expensive rods (e.g., forged I-beam rods) to save money without sacrificing too much performance.

2. **Installation Complexity**

- Replacing connecting rods is a **labor-intensive process** that requires disassembling the engine, removing the crankshaft, and carefully installing the new rods. This job is best left to experienced mechanics or builders with access to proper tools (e.g., rod bearing pullers, dial indicators for checking clearance).

- Improper installation (e.g., incorrect rod spacing, improper bearing clearance, or overtightening bolts) can lead to **engine damage or failure**. Buyers must be prepared to invest time or money in professional installation.

3. **Potential for Overkill**

- If the engine is not running **high power levels (e.g., >400-500 hp with forced induction)**, the **H-beam rods may be more robust than necessary**. In such cases, slightly less expensive forged I-beam rods (e.g., from companies like Scat or Manley) might suffice without the extra cost.

- The **ARP 2000 bolts** are excellent but may be overkill for naturally aspirated or lightly modified engines. Some builders might opt for high-quality aftermarket bolts (e.g., ARP 1000 series or similar) to save money.

4. **Weight**

- While the **4340 steel rods are strong, they are heavier than some aluminum or lighter steel rods**. This added weight can slightly reduce the engine s responsiveness, though the difference is minimal in most applications.

- For high-revving engines (e.g., turbocharged SR20s), the weight may not be a significant concern, but it s worth noting for those prioritizing lightweight components.

5. **Availability and Lead Times**

- As with many high-performance parts, **lead times can be variable**, especially if the product is in high demand. Buyers should check inventory and order in advance to avoid delays.

- If the rods are not available locally, shipping costs may add to the overall expense.

6. **Maintenance Requirements**

- Regular inspection of rod bolts for signs of stretch or corrosion.

- Checking bearing clearance periodically.

- Ensuring the crankshaft is in good condition (e.g., no cracks or excessive wear).

- Neglecting maintenance can lead to **premature failure**, negating the benefits of the high-quality rods.

---

### **Conclusion**

The **Maxpeedingrods ZYQ1CJ 4340 EN24 H-Beam connecting rods with ARP 2000 bolts** are an **excellent choice for builders looking to significantly increase the reliability and power potential of their Nissan/Infiniti SR20 engine**. The **H-beam design, 4340 steel construction, and ARP bolts** provide a robust foundation for high-performance applications, including forced induction setups. These rods are particularly well-suited for engines running **400 hp or those subjected to aggressive modifications**, where failure is not an option.

However, the **higher cost, installation complexity, and potential overkill for lower-power applications** are factors to consider. Buyers should weigh their budget, power goals, and engine build plans before committing. If the engine is heavily modified or intended for high-power use, these rods are a **strong recommendation**. For less demanding applications, slightly less expensive options may be sufficient.

---

### **Recommendation**

- You are running a **turbocharged, supercharged, or nitrous-boosted SR20** with **400 hp**.

- You prioritize **maximum strength, durability, and reliability** over cost savings.

- You plan to **build the engine for longevity** and are prepared for professional installation.

- You want a **premium, off-the-shelf solution** without custom machining.

- Your engine is **naturally aspirated or running

- You are **working with a limited budget** and can find a reputable aftermarket rod kit at a lower price.

- You are **not experienced with engine disassembly/reassembly** and may need to pay for professional installation (which could offset some cost savings).

For **high-performance SR20 builds where reliability is paramount**, the Maxpeedingrods H-beam rods with ARP 2000 bolts are a **top-tier choice**. They strike a balance between **strength, precision, and compatibility**, making them ideal for serious builders. However, buyers should ensure they are prepared for the **cost and installation effort** required. If the engine s power goals and budget align with these rods, they are a **highly recommended upgrade**.

Details:

Fast Shipping. Advertised Horsepower Rating:200HP/piece, Top acceleration: 9000rpm, package size 28CM 21CM 10CM. Product 4pcs 4340 EN24 H-Beam Connecting Rods ARP 2000 Bolts for Nissan Infiniti SR20. Guaranteed Fitment Always the correct part.

Telephone number. Shot-preened finish to remove potential for stress risers, 6.High precision CNC machined,Precision rod cap alignment dowels, 7.Bores finished /- .005mm, 8.Balanced within 1per rod, 9. V PRODUCT TEST AND ISO 9001 CERTIFIED, 2.

part #: zyq1cj prices

• $349.99-$375.99

specifications pistonrinro:

• for makes: Nissan, Infiniti
• for years: 2000
• brand: Maxpeedingrods
• mpn: Zyq1cj
• part type: Rod Bolt
• big end diameter: 51mm
• california prop 65 warning: California Prop 65 Warning
• center length: 136.3mm
• 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 diameter: 22mm
• pin type: Bronzed Bushing Floating Pin
• quantity: 4 Pieces Balanced To / 1 Gram In Set
• surface finish: Extra Cost For Upgrading To Arp L19 Bolts
• width: 22.8mm

general pistonrinro:

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

returns pistonrinro:

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

shipping pistonrinro:

• type: Fixed
• class: Standard
• transit: 2-6 Days
• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• carrier: FedEx

payments pistonrinro:

• credit card: Visa
• wallet: Paypal
• other

offer pistonrinro:

• quantity: 8
• started: May 7, 2026
• options: Ship-to-home
• best offers: True
• sold: 0
• availability: In Stock

seller pistonrinro:

• rating: 99.7%
• city: Elk Grove Village, Illinois
• # reviews: 13722

Maxpeedingrods ZYQ1CJ Is Similar To:

• Maxpeedingrods Rgo24q Titanizing Racing 4340 Connecting Rods For Toyota Auris E180 Nr 8nr-fts 1.2t (47.7% similar) 7TH, . All big and small ends are finished with sunken 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...(August 12th, 2023)
• Maxpeedingrods Sl8ozy 8 Pcs En24 4340 Forged Connecting Rods Arp 8740 Bolts For Chevrolet Small Block (62% similar) 215,000-220,000 psi. Shot-preened finish to remove potential for stress risers, 6.HIGH precision CBC machined,precision rod cap alignment dowels, 7.BORES finished /- .01MM, 8.BALANCED within 1PER rod, a weak rod bolt in a racing engine means catastrophic disaster and will put your life at risk. Each...(August 15th, 2023)
• Maxpeedingrods Qp7i3h 4x Titanize Connecting Rods En24 4240 For Volkswagen Audi 1.4 Tsi tfsi Ea211 (50.8% similar) For Volkswagen pasta RSI 3G5, 3G2, 3C5, 3C2, 365, 362 1.4. 100% x-rated, sonic tested and . For Volkswagen for Audi 1.4 RSI/TVs EA211 engine. We established cooperation's with em tron, mote, link, cartel, him, etc. Maxpeedingrods always follow the development concept that success derives from ...(August 17th, 2023)
• Maxpeedingrods 0y7otf Connecting Rods For Nissan S13 Silvia 180sx Bluebird Sunny Ca18 Ca18de Ca18det (47.2% similar) The fake bolts will never last under 400HP or higher. 180,000 - 210,000 psi. It effectively avoid reload scatter phenomenon. All big and small ends are finished with sunken honing machine, - precision alignment sleeves positively locate the rod cap, maintaining end bore size eliminating cap walk, ...(August 19th, 2023)
• Maxpeedingrods P1xyc7 4pcs Connecting Rods For 4g63 2nd Gen And Lancer Evo 7 Bolt Conrod Bielle Arp 2000 (46.3% similar) Full physical. Applications. 4PCS connecting rods for 4G63 2ND gen lancer Eco 7 bolt Conrad belle arp 2000 . For 4G63 2ND gen lancer Eco 7 bolt, note to length :156MM/6.142. Will not fit 1g 4G63 6 bolt engines. Telephone number. For talon for RSI 1993 -1998, Mitsubishi eclipse gs 1993 -1994, GST...(August 28th, 2023)
• Maxpeedingrods 0i3fmy New 4340 Forged Connecting Rods Arp Bolts For Honda Civic L15b7 L15b9 Vtc Turbo (61% similar) For Honda L15B7 Tc turbo, 2016 for civic turbo us, Canada, china, 2017 Si Canada m Rico, cr-v, non-LX aura CDC china, 2018 accord us Canada, please double confirm the dimensions to ensure get right parts, -, pin type: floating piston. Best costumer service. V product test and ISO 9001 ...(September 2nd, 2023)
• Maxpeedingrods 548ja0 Forged H-beam Connecting Rods Arp Bolts For Hyundai 1.6 Gamma T-gdi G4fj 130.8mm (59.7% similar) All big and small ends are finished with sunken 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 ...(September 2nd, 2023)
• Maxpeedingrods P1dv8l 4pcs Connecting Rods For Toyota Celica Gt-s Corolla T-sport 2zzge 2zz-ge 1.8l (46.5% similar) Best costumer service. It begins from the date purchased. V certification con rods, type: forged 4340 aircraft chrome moly quality steel for racing, h-beam Conrad's quantity: 4 pieces a set, bolts:including genuine arp 2000 bolts, note: extra cost upgrading to L19 bolts size: 3/8 tolerance: ...(September 18th, 2023)
• Maxpeedingrods G4n3if 4340 Connecting Rod arp 2000 Bolt For Bmw 1 Series F20 2010-2018 Hatchback 120i (59% similar) Fastener yield psi. A weak rod bolt in a racing engine means catastrophic disaster and will put your life at risk. V product test and ISO 9001 certified, us Facebook account: . It secure the connecting rod and bearing to crankshaft. Advertised horsepower RATING:200HP/PIECE, top acceleration: ...(September 22nd, 2023)
• Maxpeedingrods P4hsed 4pcs I-beam Racing Connecting Rod For Audi S3 1.8 20vt Apy Amk 1999 2001 144mm (51.3% similar) 4PCS i-beam racing connecting rod for Audi s3 1.8 20VT pay amok 1999 2001 144MM. Application, note: please double confirm the dimensions before purchasing, no tapered small end, for Audi / VW golf GTI 1.8T 2.0L 16V 20V 4 Cl. Advertised horsepower RATING:200HP/PIECE, top acceleration: 9000RPM, ...(September 23rd, 2023)
• Maxpeedingrods Quej2s Forged Connecting Rod And Arp Bolts For Volvo 850 C70 T5 2.3l B5234t Conrod 800hp (50.5% similar) Fastener yield psi. A weak rod bolt in a racing engine means catastrophic disaster and will put your life at risk. us Facebook account: . We care about your engine as much you do. Shot-preened finish to remove potential for stress risers, 6.HIGH precision CBC machined,precision rod cap alignment ...(September 24th, 2023)