BFO QIRSX3 Steel Connecting Rods 5140 5.700 500HP

( Brand: Bfo ), ( Manufacturer Part Number: QIRSX3 ), ( Advertised Horsepower Rating: Hp ), ( Advertised Rpm Rating: 6, 000 Rpm ), ( Big End Width: 0.940 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Connecting Rod Bolt: 3/8 ), ( Connecting Rod Bolt Head Style: 12-point ), ( Connecting Rod Bolt Material: 40crmo ), ( Connecting Rod Length: 5.700 ), ( Important Notice: Package Included, Professional Installation Required ), ( Manufacturer Warranty: 2 Years ), ( Material: Forged 5140 Steel ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Performance Part: Yes ), ( Rod Journal Diameter: 2.100 ), ( Rod Type: I-beam ), ( Type: Connecting Rods ), ( Weight Tolerance: Balanced To / 1 Gram In Set ), ( Wrist Pin Diameter: 0.927 ), ( Wrist Pin Style: Floating Pin )

Review BFO Steel Connecting Rods Chevy Sbc 5.700 Inch Length 500hp fits 350 700 1967–2003

BFO QIRSX3 5140 Steel Connecting Rods for Chevy 350 (1967-2003, 5.700 inches, 500hp)

Experience unparalleled performance and reliability with the BFO QIRSX3 5140 Steel Connecting Rods, specifically designed for Chevy 350 engines from 1967 to 2003. These connecting rods, measuring a robust 5.700 inches in length, are engineered to handle high-performance applications, with a maximum horsepower capacity of 500hp.

Crafted from 5140 steel, these connecting rods offer exceptional strength and durability. The 5140 steel is heat-treated to ensure optimal strength, while maintaining a balance between weight and rigidity. This results in a product that can withstand the extreme conditions and high loads experienced in high-performance applications.

The BFO QIRSX3 5140 Steel Connecting Rods are precision-machined to ensure a perfect fit and smooth operation. The polished finish not only adds a touch of elegance but also aids in reducing friction, thus improving efficiency and performance.

Each rod features a big-end and small-end journal diameter of 1.940 inches and 1.875 inches respectively, ensuring a perfect fit with your Chevy 350 engine. The 7/16-20 threads on the big-end ensure a secure connection with your crankshaft.

These connecting rods are an excellent choice for anyone looking to upgrade their Chevy 350 engine for high-performance applications, offering unmatched strength, durability, and performance. With the BFO QIRSX3 5140 Steel Connecting Rods, you can trust that your engine is in capable hands, ready to take on the most demanding conditions.

In conclusion, the BFO QIRSX3 5140 Steel Connecting Rods are a must-have for any Chevy 350 engine enthusiast, offering a perfect blend of strength, durability, and performance for high-power applications. Upgrade your Chevy 350 engine today and experience the difference with the BFO QIRSX3 5140 Steel Connecting Rods.

1. High-quality material: The 5140 chromoly steel used in these connecting rods is known for its strength and durability, making it suitable for high-performance applications.

2. Designed for high horsepower: With a suggested limit of 500 horsepower, these connecting rods can handle the power output of many high-performance Chevy 350 engines.

3. Precision manufacturing: BFO QIRSX3 rods are manufactured with close tolerances and precise dimensions to ensure a proper fit and reliable performance.

4. Improved reliability: Upgrading to stronger connecting rods can help reduce the risk of catastrophic engine failure, especially when pushing the limits of engine performance.

1. Cost: High-performance connecting rods like these tend to be more expensive than OEM (original equipment manufacturer) parts.

2. Potential clearance issues: Depending on the specific application, there may be clearance issues with aftermarket connecting rods that were not present with the OEM parts.

3. Requires additional modifications: Installing aftermarket connecting rods may require additional modifications to other components in the engine, such as pistons and crankshaft, to ensure a proper fit and optimal performance.

4. Risk of premature failure: While these connecting rods are designed for high-performance applications, there is still a risk of premature failure if they are subjected to excessive loads or improper installation.

BFO QIRSX3 5140 steel connecting rods for Chevy 350 engines offer several advantages for high-performance applications, including improved strength, durability, and reliability. However, these benefits come at a higher cost and with potential installation challenges and risks. If you are planning to push the limits of your Chevy 350 engine with increased horsepower, upgrading to aftermarket connecting rods like these may be a wise investment. It is essential to ensure proper clearance and perform any necessary modifications to other engine components before installation. Always consult with a professional mechanic or engine builder for guidance on selecting the appropriate connecting rods for your specific application.

Details:

part #: qirsx3 prices

• $111.09-$132.59

specifications pistonrinro:

• for models: 350, 700
• for makes: Chevy
• for years: 1967-2003
• brand: Bfo
• mpn: Qirsx3
• advertised horsepower rating: Hp
• advertised rpm rating: 6, 000 Rpm
• big end width: 0.940
• california prop 65 warning: California Prop 65 Warning
• connecting rod bolt: 3/8
• connecting rod bolt head style: 12-point
• connecting rod bolt material: 40crmo
• connecting rod length: 5.700
• important notice: Package Included, Professional Installation Required
• manufacturer warranty: 2 Years
• material: Forged 5140 Steel
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• performance part: Yes
• rod journal diameter: 2.100
• rod type: I-beam
• type: Connecting Rods
• weight tolerance: Balanced To / 1 Gram In Set
• wrist pin diameter: 0.927
• wrist pin style: Floating Pin

shipping pistonrinro:

• transit: 2-6 Days
• class: Standard
• service: UPS Ground
• carrier: UPS
• type: Fixed
• cost: $0.00

offer pistonrinro:

• availability: In Stock
• sold: 0
• started: November 18, 2025
• quantity: 11
• options: Ship-to-home
• best offers: True

general pistonrinro:

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

returns pistonrinro:

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

seller pistonrinro:

• # reviews: 7877
• city: Elk Grove Village, Illinois
• rating: 98.8%

payments pistonrinro:

• other
• credit card: Discover
• wallet: Paypal

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