MAXPEEDINGRODS W31D4R Forged Beam Connecting Rods 4340 EJ20 2.0L 2.5L

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: W31D4R ), ( Big End Diameter: 55mm/2.165 ), ( Big End Width: 21.38mm/0.840 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Pin Type: Bronzed Bushing Floating Pin ), ( Rod Length: 130.5mm/5.137 ), ( Small End Diameter: 23mm/0.905 ), ( Type: Connecting Rod Set ), ( Weight Tolerance: Balanced To / 1 Gram In Set )

Review MAXPEEDINGRODS Forged 4340 H beam Connecting Rods Subaru 2.0l 2.5l fits IMPREZA EJ25 STI

The Maxpeedingrods W31D4R Forged 4340 H-Beam Connecting Rods are a high-performance upgrade for your Subaru Impreza STI (both EJ20 and EJ25 2.0L and 2.5L engines). These connecting rods are meticulously crafted to deliver unparalleled strength, durability, and reliability, making them an excellent choice for track days, competition, or any enthusiast seeking a power upgrade.

The connecting rods are forged from 4340 chromoly steel, a material known for its exceptional strength and fatigue resistance. This ensures the rods can withstand the increased stress and torque generated by modified engines, particularly during high-performance driving or racing. The H-beam design further enhances the rod's strength and stiffness, reducing deflection and promoting better power transfer.

The W31D4R rods feature a precision-machined big-end and small-end, ensuring a perfect fit and reducing the risk of failure. The polished journals provide a smooth, friction-reducing surface for the pistons, enhancing engine efficiency and reducing heat buildup. The rod bolts are grade 8.8, offering superior strength and resilience.

Each rod is meticulously inspected and balanced to ensure the highest standards of quality. The W31D4R Forged 4340 H-Beam Connecting Rods are designed to provide you with the confidence and performance you need to take your Subaru Impreza STI to the next level. Upgrade your engine today with these high-quality connecting rods from Maxpeedingrods.

Maxpeedingrods W31D4R Forged 4340 H-Beam Connecting Rods for Subaru Impreza STI (EJ20, EJ25, 2.0L, 2.5L) - Analysis

1. Forged 4340 Steel: This material is known for its high strength and durability. It can withstand extreme pressure, making it an ideal choice for high-performance applications.

2. H-Beam Design: The H-beam design increases the stiffness of the rod, reducing deflection under load and improving overall engine performance.

3. Compatibility: These rods are designed to fit Subaru Impreza STI models with EJ20 and EJ25 engines, as well as the 2.0L and 2.5L variants.

4. Reputation: Maxpeedingrods is a well-respected brand in the automotive aftermarket industry, known for producing high-quality performance parts.

1. Cost: Forged rods tend to be more expensive than their cast counterparts. The Maxpeedingrods W31D4R rods may not be affordable for all enthusiasts.

2. Installation: Installing forged rods requires more precision and skill compared to regular rods. It is recommended to have a professional mechanic perform the installation.

3. Clearance Issues: Depending on the specific model and modifications, there might be clearance issues with other components in the engine bay.

4. Break-in Period: Forged rods may require a break-in period to achieve their full potential, which can be a concern for those looking for immediate performance gains.

The Maxpeedingrods W31D4R Forged 4340 H-Beam Connecting Rods offer several benefits for high-performance Subaru Impreza STI engine builds, including increased strength, improved stiffness, and a reputation for quality. However, the high cost, potential installation challenges, clearance issues, and break-in period are factors to consider.

If you're looking to upgrade your Subaru Impreza STI engine for high-performance applications and have the budget, the Maxpeedingrods W31D4R Forged 4340 H-Beam Connecting Rods could be a worthy investment. However, it's crucial to weigh the benefits against the potential drawbacks and ensure that your specific application and budget align with the requirements of these rods. If you're unsure, consider consulting with a professional mechanic or performance parts specialist.

Details:

Boxes, APO/FPO addresses, or Military Mail Boxes. H-Beam Design: helps improve Stiffness, reduce stress risers and weight. One Year Unlimited Mileage Quality Guarantee. Bores finished to: /- .005mm or .0002.

Pin Type: Floating Piston. Horsepower Rating: Advertised horsepower rating: 600HP-800HP. Our representatives will provide you with detailed instructions on how to proceed. Pam's Forged 4340 H-Beam Connecting Rods for Subaru Impreza STI EJ20 EJ25 2.0L 2.5L.

High Precision Control: Balanced within: /- 1 gram per rod.

part #: w31d4r price

• $232.00

specifications pistonrinro:

• for models: Ej25, Sti, Impreza
• for makes: Subaru
• brand: Maxpeedingrods
• mpn: W31d4r
• big end diameter: 55mm/2.165
• big end width: 21.38mm/0.840
• california prop 65 warning: California Prop 65 Warning
• manufacturer warranty: 2 Years
• material: Steel
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part
• pin type: Bronzed Bushing Floating Pin
• rod length: 130.5mm/5.137
• small end diameter: 23mm/0.905
• type: Connecting Rod Set
• weight tolerance: Balanced To / 1 Gram In Set

shipping pistonrinro:

• transit: 3-8 Days
• class: Standard
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• cost: $0.00

seller pistonrinro:

• # reviews: 13210
• rating: 99.1%
• city: Dayton, New Jersey

general pistonrinro:

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

returns pistonrinro:

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

offer pistonrinro:

• best offers: True
• options: Ship-to-home
• started: December 1, 2025
• availability: In Stock
• sold: 0

payments pistonrinro:

• other
• wallet: Apple-pay
• credit card: Discover

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