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 to detail are qualities you’ll discover during careful examination of our finished product. Each step of the manufacturing history of every Ultra connecting rod is meticulously maintained by our manufacturing team. You can be confident of the material and workmanship of these quality components.
Designed with fortified tower flanges, Enforcer I-beam connecting rods are the ideal component for turbo charged and super charged engines.
Below is only a partial listing of part numbers. Please call for additional part number information and availability.
| Small Block Chevy | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 6.000 | 2.100 | U18235 | |||||
| 6.200 | 2.100 | 705 g. | U14245 | ||||
| Big Block Chevy | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 6.385 | 2.200 | 159 g. | U15210 | ||||
| 6.535 | 2.200 | 874 g. | U15211 | ||||
| 7.100 | 2.200 | 700 g. | U15275 | ||||
| LS1 | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 6.125 | 2.100 | 703 g. | U17175 | ||||
| Ford | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 5.879 | 52mm | 635 g. | U14820-3.5 | ||||
| 6.011 | 56mm | 686 g. | U14821-3.5 | ||||
| 6.200 | 2.100 | 709 g. | U14945 | ||||
| Mopar | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 6.200 | 2.123 | 764 g. | U14345 | ||||
| Sport Series | |||||||
| Toyota | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 5.590 | 52mm | 639 g. | U18100-3.5 | Toyota 2JZ – 3/8” ARP 3.5 Multiphase | |||
| 5.590 | 47.95mm | 666 g. | U18101 | Toyota 2JZ – 7/16” ARP H11 | |||
| Nissan | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 6.500 | 2.205 | U15400 | Nissan GTR – 7/16” Bolts | ||||
| 6.500 | 2.200 | U15405 | Nissan GTR (BB Pin) – 7/16” Bolts | ||||
| Subaru | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 5.138 / 130.5mm | 2.047 / 52mm | 580 g. | U16700-3.5 | Subaru EJ20 – 3/8” Bolts (.905 pin) | |||
| 5.217 / 132.5mm | 2.047 / 52mm | 587 g. | U16710-3.5 | Subaru EJ20 + 2mm – 3/8” Bolts (.905 pin) | |||
| 5.217 / 132.5mm | 2.047 / 52mm | 587 g. | U16711-3.5 | Subaru EJ20 + 2mm – 3/8” Bolts (.927 pin) | |||
| 5.295 / 134.5mm | 2.047 / 52mm | 589 g. | U16715-3.5 | Subaru EJ20 + 4mm – 3/8” Bolts (.905 pin) | |||
| Mitsubishi | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 5.695 / 144mm | 2.165 / 52mm | 627 g. | U16720-3.5 | Mitsubishi 4B11 – 3/8” Bolts | |||
| 5.906 / 150mm | 1.890 / 45mm | 670 g. | U16730 | Mitsubishi 4G63 – 7/16” Bolts | |||
| 6.024 / 153mm | 1.890 / 45mm | 679 g. | U16740 | Mitsubishi 4G63 – 3/8” Bolts | |||
| 6.142 / 156mm | 1.890 / 45mm | 680 g. | U16750 | Mitsubishi 4G63 – 7/16” Bolts | |||
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 to detail are qualities you’ll discover during careful examination of our finished product. Each step of the manufacturing history of every Ultra connecting rod is meticulously maintained by our manufacturing team. You can be confident of the material and workmanship of these quality components.
Designed with fortified tower flanges, Enforcer I-beam connecting rods are the ideal component for turbo charged and super charged engines.
Below is only a partial listing of part numbers. Please call for additional part number information and availability.
| Small Block Chevy | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 6.000 | 2.100 | U18235 | |||||
| 6.200 | 2.100 | 705 g. | U14245 | ||||
| Big Block Chevy | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 6.385 | 2.200 | 159 g. | U15210 | ||||
| 6.535 | 2.200 | 874 g. | U15211 | ||||
| 7.100 | 2.200 | 700 g. | U15275 | ||||
| LS1 | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 6.125 | 2.100 | 703 g. | U17175 | ||||
| Ford | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 5.879 | 52mm | 635 g. | U14820-3.5 | ||||
| 6.011 | 56mm | 686 g. | U14821-3.5 | ||||
| 6.200 | 2.100 | 709 g. | U14945 | ||||
| Mopar | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 6.200 | 2.123 | 764 g. | U14345 | ||||
| Sport Series | |||||||
| Toyota | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 5.590 | 52mm | 639 g. | U18100-3.5 | Toyota 2JZ – 3/8” ARP 3.5 Multiphase | |||
| 5.590 | 47.95mm | 666 g. | U18101 | Toyota 2JZ – 7/16” ARP H11 | |||
| Nissan | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 6.500 | 2.205 | U15400 | Nissan GTR – 7/16” Bolts | ||||
| 6.500 | 2.200 | U15405 | Nissan GTR (BB Pin) – 7/16” Bolts | ||||
| Subaru | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 5.138 / 130.5mm | 2.047 / 52mm | 580 g. | U16700-3.5 | Subaru EJ20 – 3/8” Bolts (.905 pin) | |||
| 5.217 / 132.5mm | 2.047 / 52mm | 587 g. | U16710-3.5 | Subaru EJ20 + 2mm – 3/8” Bolts (.905 pin) | |||
| 5.217 / 132.5mm | 2.047 / 52mm | 587 g. | U16711-3.5 | Subaru EJ20 + 2mm – 3/8” Bolts (.927 pin) | |||
| 5.295 / 134.5mm | 2.047 / 52mm | 589 g. | U16715-3.5 | Subaru EJ20 + 4mm – 3/8” Bolts (.905 pin) | |||
| Mitsubishi | |||||||
| Description | Rod Journal | Typical Wt. | Part # | ||||
| 5.695 / 144mm | 2.165 / 52mm | 627 g. | U16720-3.5 | Mitsubishi 4B11 – 3/8” Bolts | |||
| 5.906 / 150mm | 1.890 / 45mm | 670 g. | U16730 | Mitsubishi 4G63 – 7/16” Bolts | |||
| 6.024 / 153mm | 1.890 / 45mm | 679 g. | U16740 | Mitsubishi 4G63 – 3/8” Bolts | |||
| 6.142 / 156mm | 1.890 / 45mm | 680 g. | U16750 | Mitsubishi 4G63 – 7/16” Bolts | |||