

Crafted with the latest advancements in engineering from our Ultra and Compstar rods, Compstar UTV connecting rods ensure a smooth, trouble-free engine build and deliver exceptional reliability. Produced from heat-treated, stress-relieved 4340 material, these H-beam rods …

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 …

Callies Ultra Enforcer connecting rods are produced from extremely clean TimkenSteel Product that is formulated to our exact specifications. This proprietary steel is forged in Trenton, Michigan, and manufactured 100% in our Fostoria, Ohio facility. Pride in workmanship, and attention …

When your build pushes past “street-performance” and enters the realm of heavy duty boost and high RPM racing, you need more than just a standard rod, you need the Compstar Xtreme. Designed for the engines …

Compstar engineering leads the way in High Value connecting rod design. The original Compstar H-beam rods were conceived around the idea that high quality and affordability can come in the same package. The time saved in …

Callies Ultra connecting rods are produced from extremely clean TimkenSteel that is formulated to our exact specifications. This proprietary steel is forged in Trenton, Michigan, and manufactured 100% in our Fostoria, Ohio facility. Pride in workmanship, and attention to detail …

Callies is pleased to introduce the Ultra XD connecting rod. This unique patent pending configuration is designed for additional cam to rod clearance in long stroke Big Block and Small Block Chevy racing engines. In most cases, the XD connecting …