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Callies Ultra Assassin Connecting Rods
Connecting Rod, Ultra Assassin, Forged 4340 Steel, I-Beam, Cap Screw, ARP L19, Bushed, Ford, Powerstroke, Diesel, 6.0L, Set of 8
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Estimated Ship Date: Nov 19, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
U13100
Part Type:
Product Line:
Summit Racing Part Number:
CPI-U13100
Connecting Rod Length Center to Center (in.):
6.929 in.
Connecting Rod Beam Style:
I-beam
Connecting Rod Material:
Forged 4330 steel
Wrist Pin Style:
Floating
Pin End Bore Diameter:
1.339 in.
Rod Journal Diameter (in.):
2.749
Big End Bore Diameter (in.):
2.8740
Quantity:
Sold as a set of 8.
Cap Retention Style:
Cap screw
Clearanced for Stroker:
Yes
Connecting Rod Bolt Brand:
ARP
Connecting Rod Bolt Diameter:
7/16 in.
Connecting Rod Bolt Material:
ARP L19 alloy
Fastener Tensile Strength (psi):
260,000 psi
Connecting Rod Bolt Head Style:
12-point
Approximate Connecting Rod Weight (g):
1,233
Advertised Horsepower Rating:
1,000 hp
Weight Matched Set:
Yes
Remanufactured:
No
Magnafluxed:
Yes
Connecting Rod Color:
Shot-peened
Callies Ultra Assassin Connecting Rods
Callies Ultra Assassin connecting rods are produced from specially formulated Timken Steel 4330V grade steel. The material is precision forged in Michigan and machined in the Callies Fostoria, Ohio facility. The Assassin Series are near-net, as-forged rods with minimal machining, and are fastened by high-alloy cap screws made specifically for severe-duty service by ARP Inc. To eliminate deformation and extrusion only AMS 642 bronze alloy is used within the wrist pin housing bore.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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