Engines and Components Connecting Rods and Components

Boostline

4340 Steel Connecting Rod

$274.99

SKU: BSL-FD5630-905S+

In Stock
In Stock
Ships by Jul 29
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30 Days Return
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Description

The Boostline FD5630-905S is a single connecting rod designed for high-powered, forced induction, and nitrous Ford Focus RS engines. It is forged from premium 4340 steel and features a patented, three-pocket design that maximizes strength while minimizing rotating weight. This design enhances big-end stability and offers improved bending strength and reduced stress compared to H-beam designs, making it suitable for engines producing up to 1000 HP.

Fitment

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Specifications

BrandBoostline
Part NumberBSL-FD5630-905S+
CategoryEngines and Components

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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