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Ultra-Assassin rods are made entirely in the U.S.A. Every Ultra connecting rod is produced from specially formulated TimkenSteel 4330V grade steel. This material is then precision forged in Michigan and machined in our Fostoria, Ohio facility. Assassin Series Rods are near net as forged rod with minimal machining. Assassin Series rods 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.
Sold as a complete set of 8 connecting rods.
- Made entirely in the USA
- Produced from clean TimkenSteel 4330V grade steel
- AMS 642 bronze alloy used within the wrist pin housing bore (eliminates deformation and extrusion)
- Fastened by high alloy cap screws made specifically for severe duty service by ARP Inc.
- Near-net, as forged components with minimal machining
Specs (per rod): Length 6.929" · Rod journal 2.874" · Typical weight ~1229g
