725 SOUTH LA CADENA DRIVE COLTON CA USA 92324
909.291.7550

CALLIES ULTRA I BEAM CONNECTING RODS LS BASED

CALLIES ULTRA I BEAM CONNECTING RODS LS BASED

Part Number: CAL-U17171

Price: $1,851.00
In Stock
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CALLIES ULTRA I BEAM CONNECTING RODS LS BASED

CALLIES ULTRA I BEAM CONNECTING RODS LS BASED Product Description:

Callies Ultra connecting rods are produced from extremely clean Timken steel that is formulated to their exact specifications. This proprietary steel is forged in Trenton, Michigan, and manufactured 100% in their Fostoria, Ohio facility. Pride in workmanship, and attention to detail are qualities you’ll discover during careful examination of their finished product. Each step of the manufacturing history of every Ultra rod is meticulously maintained by their manufacturing team. You can be confident of the material and workmanship of these quality components.

Ultra I-Beams are available in their standard weight version for extreme duty racing applications of popular Big Block Chevy, Small Block Chevy, and LS1, as well as liteweight versions for select SBC configurations. For superior clamping, a bolt upgrade to Custom Age 625 material is available for all Callies I-Beams.

Increased Stroker Clearance – The best bolt to block & rod to cam clearance in the industry for long stoke applications.
Bolt Spotface Gussets – Allow optimized bolt location without loss of strength or defomation of the big end bore.
100% Thread Engagement – Assures no bolt threads are left exposed in the area between the bolt thread and shank.
Specifically Designed, 260Ksi Ultra Bolts – All Ultra bolts are designed to fit each specific rod. Rolled threads are employed to provide improved engagement for a more consistent clamping load. Callies provides and recommends the use of ARP Ultra torque lube.

SET OF 8.

 

Brand: Callies
Part Numbers: CAL-U17171, CAL-U17178
Other Part Numbers: U17171, U17178
Part Type: Connecting Rods
Connecting Rod Length Center to Center (in): 6.125" or 6.350"
Connecting Rod Beam Style: I Beam
Connecting Rod Material: Forged 4330 steel
Connecting Rod Finish: Shot-peened
Wrist Pin Style: Floating
Clearanced for Stroker: No
Cap Retention Style: Cap screw
Connecting Rod Bolt Brand: ARP
Connecting Rod Bolt Diameter: 7/16"
Connecting Rod Bolt Material: L19 alloy
Fastener Yield Strength (psi): 230,000
Connecting Rod Bolt Head Style: 12-point
Approximate Connecting Rod Weight (g): 6.125"662g, 6.350" 669g
Rod Journal Diameter (in): 2.100"
Big End Bore Diameter (in): 2.2250"
Pin End Bore Diameter: 0.927"
Big End Width (in): 0.940"
Pin End Width (in): 0.988"
Advertised Horsepower Rating: 1500
Advertised RPM Rating: 7500
Weight Matched Set: Yes
Remanufactured: No
Magnafluxed: Yes
Quantity: Sold as a set of 8
In Store Pickup: Colton, CA, USA

LS based engines.

Manufactures.

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