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Manley Pro Series I-Beam Connecting Rods 15321-1 Rod, ROD-5.4L 6.657 300M I BEAM

SKU: MAN15321-1

Connecting Rods

Manley Pro Series I-Beam Connecting Rods 15321-1 Rod, ROD-5.4L 6.657 300M I BEAM

SKU: MAN15321-1

Connecting Rods
A$872.41
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.
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Description

Manley Pro Series I-beam connecting rods are forged from 4340 aircraft-quality vacuum degassed material. They're fully machined to produce the strongest rods possible. These rods are shot-peened to Mil specs and are 100 percent individually magnafluxed. They feature 7/16 in. ARP cap screws with 12-point heads and your choice of material grade to maximize your needed tensile strength! Manley Pro Series I-beam connecting rods are available in various sizes for a wide range of vehicles and horsepower ranges from 850 to 1,600 hp. Match up your specs, then order an individual rod or a larger set quantity.

Part Type

Connecting Rods

Data: v4.2 - Upd: 2026-10-14 10:09:07

Specifications

Product Attributes - Brand
Manley
Product Attributes - Manufacturer's Part Number
15321-1
Product Attributes - Part Type
Connecting Rods
Product Attributes - Product Line
Manley Pro Series I-Beam Connecting Rods
Product Attributes - UPC
807298092836
Product Attributes - Connecting Rod Length Center to Center (in.)
6.657 in.
Product Attributes - Connecting Rod Beam Style
I-beam
Product Attributes - Connecting Rod Material
300 M alloy
Product Attributes - Wrist Pin Style
Floating
Product Attributes - Pin End Bore Diameter
0.867 in.
Product Attributes - Big End Bore Diameter (in.)
2.2390
Product Attributes - Quantity
Sold individually.
Product Attributes - Cap Retention Style
Cap screw
Product Attributes - Big End Width (in.)
0.940
Product Attributes - Clearanced for Stroker
No
Product Attributes - Connecting Rod Bolt Brand
ARP
Product Attributes - Connecting Rod Bolt Diameter
7/16 in.
Product Attributes - Connecting Rod Bolt Material
ARP2000 alloy
Product Attributes - Fastener Tensile Strength (psi)
200,000 psi
Product Attributes - Connecting Rod Bolt Head Style
12-point
Product Attributes - Advertised Horsepower Rating
1,200 hp
Product Attributes - Advertised RPM Rating
9,500 rpm
Product Attributes - Weight Matched Set
Yes
Product Attributes - Remanufactured
No
Product Attributes - Magnafluxed
No
Product Attributes - Connecting Rod Color
Shot-peened

Reference Information

Brand Name/s Manley Performance
StreetFX SKU man15321-1
SFX Item ID 4930238
Supplier Item Code 4930238
Manufacturer SKU 15321-1
Manufacturer UPC 807298092836
Alternative References ROD-5.4L, 300M

Compatibility

Application Data
  • MakeFORD
    Beginning Year1997
    Ending Year2012
    Engine TypeV8
    Engine FamilyFord modular V8
    Engine Size5.4L/330
  • MakeFORD
    Beginning Year1997
    Ending Year2019
    Engine TypeV10
    Engine FamilyFord modular V10
    Engine Size6.8L/415

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