Sale

Engines and Components› Connecting Rods and Components

Manley

Pro Series Lightweight I-Beam Connecting Rods, 6.657"

$2,057.36 $1,870.14 Save $187.22

SKU: MAN-14319-8

Out of Stock
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Overview

The Manley MAN-14319-8 is a set of eight Pro Series Lightweight I-Beam connecting rods designed for Ford 5.4L modular engines. Forged from aircraft-quality 4340 vacuum-degassed material, these rods are fully machined, shot peened, and magnafluxed for strength and durability. They feature 7/16” ARP 2000 cap screws and are rated for 750+ HP in oval track applications and 800+ HP in drag racing.

These connecting rods have a center-to-center length of 6.657 inches, a big end bore of 2.239 inches, and a pin bore of 0.8671 inches. The set includes the connecting rods and ARP bolts.
Show original supplier description
The Manley MAN-14319-8 is a set of eight Pro Series Lightweight I-Beam connecting rods engineered for enhanced performance in Ford 5.4L modular engines. These rods are constructed from high-strength, aircraft-quality 4340 vacuum-degassed material, undergoing a rigorous manufacturing process that includes full machining for optimal weight and strength, shot peening to MIL spec, and 100% individual magnafluxing to ensure integrity. Designed to handle extreme conditions, these connecting rods are rated to support 750+ horsepower for oval track use and 800+ horsepower for drag racing applications. They feature precision bores that are round and without taper, along with tightly controlled bend and twist. Key specifications include a connecting rod length center-to-center of 6.657 inches, a big end bore of 2.239 inches, a pin end width of 0.940 inches, and a pin bore of 0.8671 inches (accommodating a 22mm pin). The cap fasteners are 7/16” ARP 2000 bolts, and the average gram weight is 620 GR. The Manley MAN-14319-8 connecting rods are specifically designed for the following applications: 2005-2006 Ford GT Base, 2007-2008 Ford Mustang Shelby GT500, and the 2000 Ford Mustang SVT Cobra R. It is important to note that Manley products, due to their intended use, are sold without warranty. The set includes 8 connecting rods and one ARP bolt set.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandManley
Part NumberMAN-14319-8
CategoryEngines and Components
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

Returns & Fitment

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.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy