What type of bolts are included with these connecting rods?

You can choose between ARP 8740 or ARP 2000 bolts when ordering this connecting rod set. Both are well-regarded options for high-performance engine builds.

Are these connecting rods suitable for a stock engine?

While these rods are built to higher standards than stock, they are most commonly used in performance-oriented builds where increased horsepower is expected. They are designed to handle more stress than factory components.

What does 'exacting tolerances' mean for these connecting rods?

It means each rod is machined to very precise measurements for size, straightness, and twist. This level of precision is critical for proper engine balance, smooth operation, and long-term reliability, especially in a turbocharged engine.

Specifications

Brand: Manley Performance
Part #: 15032-4
UPC: 807298097633

Manley Mazdaspeed 3 MZR 2.3L DISI Turbo H Tuff Connecting Rod Set

Name: Manley Mazdaspeed 3 MZR 2.3L DISI Turbo H Tuff Connecting Rod Set
Brand: Manley Performance
SKU: manley-performance-manley-mazdaspeed-3-mzr-2-3l-disi-turbo-h-tuff-connecting-rod-t14-4398377
Price: 651.01 USD
Availability: InStock

$651.01

Only 5 left in stock

Fits 2007-2013 Mazda 3. Manley H Tuff Connecting Rod Set for MZR 2.3L DISI Turbo engines, built to exacting tolerances.

Key Features

Fits 2007-2013 Mazda 3.
Manley H Tuff connecting rods feature a strong H-beam design.
Built for the MZR 2.3L DISI Turbo engine.
Finished to exacting tolerances for precision and performance.
Available with ARP 8740 or ARP 2000 bolts.
Meets high-quality standards similar to Manley's Sportsmaster and Pro Series rods.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

The Manley H Tuff connecting rods are built with a strong H-beam design, a popular choice for performance builds because it offers a great balance of strength and weight. These rods are specifically made for the Mazda Mazdaspeed 3 with the MZR 2.3L DISI Turbo engine, covering the 2007 through 2013 model years. They are finished to exacting tolerances, meaning every rod is precisely machined to ensure it meets strict specifications for size, straightness, and twist. This attention to detail is crucial for engine longevity and performance, especially in a turbocharged application where stresses are significantly higher than stock.

Manley takes their H-Beam series seriously, applying the same high standards used for their Sportsmaster and Pro Series rods. You can choose between ARP 8740 or ARP 2000 bolts to secure these connecting rods, allowing you to match the hardware to your specific build needs. The precision in the final hone size and thread detail ensures a solid connection and proper fitment within the engine. These rods are designed to handle more power than the factory components, giving you a competitive edge whether you're on the track or just pushing your car harder.

When you're rebuilding the bottom end of your Mazdaspeed 3's MZR engine, using well-built connecting rods like these from Manley is a smart move. They are a solid option for anyone looking to increase horsepower or simply ensure the reliability of their engine under demanding conditions. Make sure to refer to the manufacturer's installation instructions for proper torque specifications and assembly procedures.