What material is this connecting rod made from?

This Manley Pro Series connecting rod is made from vacuum degassed 4340 steel alloy. This is a strong material chosen for its durability under high engine loads.

How many connecting rods are included in this purchase?

This product listing is for a single connecting rod. You will need to order the correct quantity for your specific engine build, typically one per cylinder.

What does the '.025in Longer' designation mean?

The '.025in Longer' indicates that this connecting rod is a quarter of an inch longer than the standard length for its application. This can be used to adjust compression ratios or piston deck height in engine builds.

Specifications

Brand: Manley Performance
Part #: 14559R6-1

Manley Chevrolet LS / LT1 .025in Longer 6.125in STD WEI Pro Series I Beam Connecting Rod - Single

Name: Manley Chevrolet LS / LT1 .025in Longer 6.125in STD WEI Pro Series I Beam Connecting Rod - Single
Brand: Manley Performance
SKU: manley-performance-manley-chevrolet-ls-lt1-025in-longer-6-125in-std-wei-pro-seri-t14-567260
Price: 374.25 USD
Availability: BackOrder

$374.25

On Backorder

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Manley Pro Series I Beam Connecting Rod for Chevrolet LS/LT1. .025in longer, 6.125in length, STD WEI.

Key Features

This product is a single Manley Pro Series I-Beam connecting rod.
It measures 6.125 inches in length and is .025 inches longer than standard.
The rod has a standard weight (STD WEI) designation.
Constructed from vacuum degassed 4340 steel alloy for strength.
Features an I-beam design, known for its balance of strength and weight.
Some rods in the Pro Series line are NHRA legal for Stock and Super Stock racing.

This connecting rod is designed for Chevrolet LS and LT1 engines. Please verify compatibility with your specific engine application.

⚠️ 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

This is a single Manley Pro Series I-Beam connecting rod, specifically sized at 6.125 inches long and .025 inches longer than standard, with a standard weight (STD WEI). It's built for Chevrolet LS and LT1 engines, representing a well-built component for serious engine work.

Manley uses vacuum degassed 4340 steel alloy for these rods, a strong material chosen for its ability to handle the stresses inside a performance engine. The I-beam design is a popular choice for its balance of strength and weight. Some rods in this Pro Series line are NHRA legal for specific racing classes, indicating a high level of engineering and compliance.

This rod is sold individually, so make sure you order the correct number needed for your engine rebuild. It's a solid option if you're looking for a robust connecting rod for your LS or LT1 build.