MAXPEEDINGRODS K17Q4T Beam Forged Connecting Rods Arp Bolts 6X 2JZ-GE Engine

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: K17Q4T ), ( Big End Diameter: 55mm ), ( Big End Width: 26mm ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Center Length: 142mm ), ( Fitment Type: Performance/custom ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part., California Prop 65 Warning., This Is Aftermarket Replcement Part ), ( Pin Diameter: 22mm ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Quantity: Set Of 6 Pieces ), ( Surface Finish: Extra Cost For Upgrading To Arp L19 Bolts ), ( Type: Connecting Rod Set ), ( Weight Tolerance: Balanced To / 1 Gram In Set )

Review MAXPEEDINGRODS 6x I beam Forged Connecting Rods Arp Bolts Toyota 2jz Engine fits SUPRA

The **Maxpeeding Rods K17Q4T 6x I-Beam Forged Connecting Rods with ARP Fasteners** represent the pinnacle of performance engineering for the legendary **Toyota 2JZ-GE and 2JZ engine**, delivering a relentless blend of strength, precision, and reliability that elevates these already formidable powerplants to new heights. Crafted from **high-grade, fully forged 4340 chromoly steel**, these rods are not merely upgraded components but meticulously designed replacements that address the inherent limitations of stock OEM rods while introducing a level of rigidity and durability that stock parts simply cannot match. The **6x I-Beam design** is a hallmark of Maxpeeding Rods philosophy, offering an optimal balance between weight reduction and structural integrity each rod features a **thicker, wider beam section** that enhances torsional stiffness, reducing rod bounce and minimizing stress concentrations during extreme power outputs. This design philosophy ensures that the rods maintain their shape under the most demanding conditions, whether you're pushing the limits at the drag strip or chasing high RPMs in a high-revving turbocharged setup.

Beyond their structural superiority, these rods are paired with **ARP 10000 psi fasteners**, a pairing that underscores Maxpeeding Rods commitment to safety and performance. The **ARP 7/16" x 2.50" bolts** are not only stronger than stock hardware but are also **pre-loaded with a precise torque specification**, ensuring consistent clamping force across the rod caps and crankshaft journals. This eliminates the risk of bolt stretch or loosening under high loads, a critical consideration for engines running elevated boost levels or aggressive camshaft profiles. The **ARP washers** included in the kit feature a **high-friction coating** that prevents rotation, further securing the bolts in place and reducing the likelihood of catastrophic failure. The entire assembly is backed by Maxpeeding Rods reputation for **precision machining**, with each rod and bolt meticulously inspected for dimensional accuracy, surface finish, and metallurgical integrity before leaving the factory.

For the **Toyota 2JZ-GE and 2JZ engine**, these rods are particularly well-suited to applications where stock components are pushed beyond their intended limits whether it s a **high-boost turbocharged build**, a **nitrous oxide injection setup**, or a **high-revving naturally aspirated engine** with aggressive camshafts. The **fully balanced kit** ensures smooth operation across the entire RPM range, reducing vibration and eliminating the "rod knock" that can plague stock rods under heavy loads. Additionally, the **lightweight yet robust construction** of the 4340 steel rods contributes to improved engine balance, allowing for higher RPM stability and reduced stress on the crankshaft and bearings. Whether you're building a **street-legal monster**, a **track-focused race engine**, or a **high-performance street machine**, the **Maxpeeding Rods K17Q4T 6x I-Beam Forged Connecting Rods with ARP Fasteners** provide the foundation for an engine that is not only stronger but also more refined and reliable than ever before. This isn t just an upgrade it s a **performance-enhancing transformation** that turns a good 2JZ into a **true powerhouse**.

**Pros and Cons of Buying Maxpeedingrods K17Q4T 6x I-Beam Forged Connecting Rods with ARP Bolts for the Toyota Supra 2JZ/2JZ-GE Engine**

### **Pros**

1. **Superior Strength and Durability** The forged I-beam design distributes stress more evenly than cast rods, reducing the risk of catastrophic failure under high loads. This is particularly beneficial for engines running high RPMs, forced induction, or aggressive tuning.

2. **Lightweight Construction** Forged rods are significantly lighter than cast equivalents, improving engine balance and reducing reciprocating mass. This can enhance high-RPM performance and reduce stress on the crankshaft and bearings.

3. **Precision Machining and Fitment** Maxpeedingrods rods are designed to fit the 2JZ-GE with exacting tolerances, ensuring proper clearance and alignment. The 6x pitch (vs. stock 5.75x) reduces reciprocating mass further while maintaining strength.

4. **ARP Bolts Included** The inclusion of ARP 12-point bolts (instead of stock bolts) provides superior clamping force and resistance to loosening under extreme conditions. This is critical for engines running nitrous, big turbos, or high boost.

5. **Compatibility with Aggressive Modifications** These rods are well-suited for engines with nitrous, large turbos, superchargers, or high-performance camshafts. They can handle the increased stress from these modifications better than stock rods.

6. **Warranty and Reputation** Maxpeedingrods is a well-respected brand in the high-performance aftermarket, offering warranties on their products. Their rods are often recommended by tuners and builders for serious builds.

7. **Improved Reliability** Forged rods are less prone to fatigue failure compared to cast rods, which can crack under prolonged high-stress conditions. This makes them a safer choice for long-term reliability, especially in high-mileage or heavily modified engines.

8. **Better Heat Dissipation** The I-beam design allows for better heat dissipation compared to solid rods, reducing thermal stress on the rod journals and bearings.

---

### **Cons**

1. **High Cost** Forged rods with ARP bolts are significantly more expensive than stock or aftermarket cast rods. The price point may be prohibitive for casual or budget-conscious builders.

2. **Installation Complexity** Installing forged rods requires careful attention to torque specifications, gapping, and alignment. Improper installation can lead to premature wear or failure. This may necessitate professional installation, adding to costs.

3. **Limited Availability of Parts** While Maxpeedingrods rods are high-quality, some supporting parts (e.g., custom pistons, crankshafts, or bearings) may need to be sourced separately, adding to the overall build cost.

4. **Potential Overkill for Mild Builds** If the engine is only being modified with mild tuning (e.g., mild turbo, stock camshaft, no nitrous), the cost and complexity of forged rods may not be justified. Stock or upgraded cast rods (e.g., JE or Scat) could suffice.

5. **Maintenance and Inspection Requirements** Forged rods, while durable, still require regular inspection for cracks, wear, or damage. Unlike cast rods, which may show visible cracks, forged rods can fail catastrophically without warning, so vigilance is essential.

6. **Compatibility with Non-Stock Components** If the engine has non-standard components (e.g., oversized crankshaft, custom pistons, or modified block), additional machining or custom work may be needed to ensure proper fitment.

7. **Learning Curve for Tuning** Forged rods allow for more aggressive tuning, but this also means the engine may require more precise tuning (e.g., ignition timing, fueling) to avoid stressing the rods beyond their limits. Inexperienced builders may need to invest in professional tuning support.

---

### **Conclusion**

Maxpeedingrods K17Q4T 6x I-beam forged connecting rods with ARP bolts are one of the best choices for a Toyota Supra 2JZ-GE engine that is being heavily modified, particularly for builds involving forced induction, nitrous, or high-RPM applications. Their strength, lightweight design, and compatibility with aggressive tuning make them a top-tier option for reliability and performance. However, the high cost, installation complexity, and potential overkill for mild builds mean they are not suitable for every project.

If the goal is a **serious high-performance or competition engine** with a focus on reliability and longevity, these rods are an excellent investment. For **milder builds** or budget-conscious projects, stock rods or upgraded cast rods may be a more practical choice.

---

### **Recommendation**

- You are building a **high-RPM, forced-induction, or nitrous-equipped** 2JZ-GE.

- You prioritize **maximum reliability and durability** over cost.

- You are willing to invest in **professional installation and tuning** to ensure optimal performance.

- Your engine will see **aggressive use** (e.g., track, drifting, or high-mileage daily driver with heavy mods).

- Your build is **mildly modified** (e.g., mild turbo, stock cam, no nitrous).

- You are working with a **tight budget** and can achieve similar performance with cast rods (e.g., JE or Scat).

- You lack experience with **high-performance engine builds** and prefer a simpler, lower-cost upgrade.

For most **serious 2JZ-GE builds** pushing 500 HP or running nitrous, these rods are a **highly recommended** upgrade. For everything else, weigh the cost against the expected gains and consider whether the investment aligns with your project s goals.

Details:

Center to length :142mm/5.591, Big end diameter:55mm/2.165, Small diameter:22mm/0.866, width :26mm/1.024, width :26mm/1.024. Advertised Horsepower Rating:200HP/piece, Top acceleration: 9000rpm, package size 28CM 21CM 14CM. Manufacturer.guaranteed Fitment.

Each rod is magnetic particle tested to ensure free of flaws, 10.Use X-rated, sonic tested, 11.Custom Service. Always the correct part. 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. Quick, Simple.

Fast Shipping.

part #: k17q4t prices

• $240.00-$589.99

specifications pistonrinro:

• for models: Supra
• for makes: Toyota
• brand: Maxpeedingrods
• mpn: K17q4t
• big end diameter: 55mm
• big end width: 26mm
• california prop 65 warning: California Prop 65 Warning
• center length: 142mm
• fitment type: Performance/custom
• manufacturer warranty: 2 Years
• material: Steel
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part., California Prop 65 Warning., This Is Aftermarket Replcement Part
• pin diameter: 22mm
• pin type: Bronzed Bushing Floating Pin
• quantity: Set Of 6 Pieces
• surface finish: Extra Cost For Upgrading To Arp L19 Bolts
• type: Connecting Rod Set
• weight tolerance: Balanced To / 1 Gram In Set

payments pistonrinro:

• wallet: Paypal
• credit card: Diners-club
• other

returns pistonrinro:

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

offer pistonrinro:

• started: March 18, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock
• best offers: True
• quantity: 2

general pistonrinro:

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

shipping pistonrinro:

• transit: 3-7 Days
• carrier: FedEx
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• type: Fixed

seller pistonrinro:

• city: Rowland height, California
• rating: 99.1%
• # reviews: 872

Maxpeedingrods K17Q4T Is Similar To:

• Maxpeedingrods Rgo24q Titanizing Racing 4340 Connecting Rods For Toyota Auris E180 Nr 8nr-fts 1.2t (49.7% 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 (61% 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 (47.3% 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 (58% 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 (60.7% 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 (54.5% similar) Best costumer service. It begins from the date purchased. V certification con rods, type: forged 4340 aircraft chrome Molly 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 (52% 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 (53.3% 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 (61.4% 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)