Manley Pro Series I-Beam Connecting Rods GM 6.6L Duramax 6.417in Set of 8
⚠ Call for Availability
This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.
Regular price
$3,052.72
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
Manley Pro Series I-beam connecting rods for the GM 6.6L Duramax diesel, machined to a 6.417 in. center-to-center length with a 2.6374 in. big end bore and a trapezoidal pin end profile.
Key Features
- Manufactured from 4340 forgings
- Fully machined for the correct balance of strength and weight
- Shot peened to MIL spec and 100% individually magnafluxed
- AMPCO 45 wrist pin bushings resist deformation at high cylinder pressures
- 7/16 in. ARP 2000 cap screws
Fitment
- GM 6.6L Duramax diesel
Product Details
- Center-to-Center Length: 6.417 in.
- Big End Bore: 2.6374 in.
- Big End Width: 1.117 in.
- Pin End Width: 1.280 in. top / 1.535 in. bottom (trapezoidal)
- Pin Bore: 1.359 in.
- Average Weight: 1130 grams
- Cap Screws: 7/16 in. ARP 2000
- Quantity: Set of 8
- Manufacturer Part Number: 14163-8
Manley specifies Clevite CB1805 rod bearings or equivalent for this connecting rod.
Shipping Height: 4.5
Shipping Length: 10.0
Shipping Width: 9.0