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  • Ultra Enforcer-image

  • Ultra Enforcer

  • 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.

  • Ultra Enforcer main image

  • Ultra Enforcer Connecting Rods

    Standard Features

    • Produced from clean 4330V TimkenSteel product
    • Intended for boosted applications
    • Buckle resistant I-Beam design
    • Increased mass, pressure Angle Arches, guarantee wrist pin stability
    • Robust tower flanges provide enhanced resistance to bend and twist
    • Up to 250 HP per cylinder
    • L-19 bolts, Custom Age bolts also available
  • Below is a partial listing of part numbers. Please call for additional part number information and availability. Please note that typical weights may vary between sets. **All Ultra Enforcer connecting rods can be upgraded to Custom Age Bolts (-CA)
    Small Block Chevy
    Description Rod Journal Typical Wt. Part #
    6.000 2.100  701 g. U18235 * XD Rod
    6.125 2.100  703 g. U14240
    6.200 2.100  712 g. U14245
    Big Block Chevy
    Description Rod Journal Typical Wt. Part #
    6.385 2.200  869 g. U15210
    6.535 2.200  879 g. U15211
    6.700 2.200  875 g. U18214 *XD Rod
    LS
    Description Rod Journal Typical Wt. Part #
    6.125 2.100  662 g. U17175
    Small Block Ford
    Description Rod Journal Typical Wt. Part #
    6.200 2.100  711 g. U14945
     
    Ford Modular / Coyote 
    Description Rod Journal Typical Wt. Part #
    5.933 2.239  706 g. U14925  .866 pin
    Viper V-10
    Description Rod Journal Typical Wt. Part #
    6.200 2.123  764 g. U14345
    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 / 142mm 2.047 / 52mm  636 g. U18100 Toyota 2JZ – 3/8” ARP 3.5 Multiphase
    5.590 / 142mm 1.888 / 48mm  669 g. U18101 Toyota 2JZ – 7/16” ARP H11
    Honda
    Description Rod Journal Typical Wt. Part #
    5.655 / 143.6mm 2.008 / 51 mm  535 g. U16800
    5.985 / 152mm 2.008 / 51 mm  546 g. U16805
    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
    EcoBoost
    Description Rod Journal Typical Wt. Part #
    5.879 / 149mm 2.166 / 52mm 636 g. U14820-CA Ford 2.3L
    6.011 / 153mm 2.205 / 56mm U14821-CA Ford 3.5L
    Subaru
    Description Rod Journal Typical Wt. Part #
    5.138 / 130.5mm 2.047 / 52mm  580 g. U16700 Subaru EJ20 – 3/8” Bolts (.905 pin)
    5.217 / 132.5mm 2.047 / 52mm  587 g. U16710 Subaru EJ20 + 2mm – 3/8” Bolts (.905 pin)
    5.217 / 132.5mm 2.047 / 52mm  587 g. U16711 Subaru EJ20 + 2mm – 3/8” Bolts (.927 pin)
    5.295 / 134.5mm 2.047 / 52mm  589 g. U16715 Subaru EJ20 + 4mm – 3/8” Bolts (.905 pin)
    Mitsubishi
    Description Rod Journal Typical Wt. Part #
    5.695 / 144mm 2.165 / 52mm  627 g. U16720 Mitsubishi 4B11 – 3/8” Bolts
    5.906 / 150mm 1.890 / 45mm  672 g. U16730 Mitsubishi 4G63 – 7/16” Bolts
    6.024 / 153mm 1.890 / 45mm  684 g. U16740 Mitsubishi 4G63 – 3/8” Bolts
    6.142 / 156mm 1.890 / 45mm  683 g. U16750 Mitsubishi 4G63 – 7/16” Bolts
  • « Back to Catalog
  • Ultra Enforcer-image

  • Ultra Enforcer

  • 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.

  • Ultra Enforcer main image

  • Ultra Enforcer Connecting Rods

    Standard Features

    • Produced from clean 4330V TimkenSteel product
    • Intended for boosted applications
    • Buckle resistant I-Beam design
    • Increased mass, pressure Angle Arches, guarantee wrist pin stability
    • Robust tower flanges provide enhanced resistance to bend and twist
    • Up to 250 HP per cylinder
    • L-19 bolts, Custom Age bolts also available
  • Below is a partial listing of part numbers. Please call for additional part number information and availability. Please note that typical weights may vary between sets. **All Ultra Enforcer connecting rods can be upgraded to Custom Age Bolts (-CA)
    Small Block Chevy
    Description Rod Journal Typical Wt. Part #
    6.000 2.100  701 g. U18235 * XD Rod
    6.125 2.100  703 g. U14240
    6.200 2.100  712 g. U14245
    Big Block Chevy
    Description Rod Journal Typical Wt. Part #
    6.385 2.200  869 g. U15210
    6.535 2.200  879 g. U15211
    6.700 2.200  875 g. U18214 *XD Rod
    LS
    Description Rod Journal Typical Wt. Part #
    6.125 2.100  662 g. U17175
    Small Block Ford
    Description Rod Journal Typical Wt. Part #
    6.200 2.100  711 g. U14945
     
    Ford Modular / Coyote 
    Description Rod Journal Typical Wt. Part #
    5.933 2.239  706 g. U14925  .866 pin
    Viper V-10
    Description Rod Journal Typical Wt. Part #
    6.200 2.123  764 g. U14345
    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 / 142mm 2.047 / 52mm  636 g. U18100 Toyota 2JZ – 3/8” ARP 3.5 Multiphase
    5.590 / 142mm 1.888 / 48mm  669 g. U18101 Toyota 2JZ – 7/16” ARP H11
    Honda
    Description Rod Journal Typical Wt. Part #
    5.655 / 143.6mm 2.008 / 51 mm  535 g. U16800
    5.985 / 152mm 2.008 / 51 mm  546 g. U16805
    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
    EcoBoost
    Description Rod Journal Typical Wt. Part #
    5.879 / 149mm 2.166 / 52mm 636 g. U14820-CA Ford 2.3L
    6.011 / 153mm 2.205 / 56mm U14821-CA Ford 3.5L
    Subaru
    Description Rod Journal Typical Wt. Part #
    5.138 / 130.5mm 2.047 / 52mm  580 g. U16700 Subaru EJ20 – 3/8” Bolts (.905 pin)
    5.217 / 132.5mm 2.047 / 52mm  587 g. U16710 Subaru EJ20 + 2mm – 3/8” Bolts (.905 pin)
    5.217 / 132.5mm 2.047 / 52mm  587 g. U16711 Subaru EJ20 + 2mm – 3/8” Bolts (.927 pin)
    5.295 / 134.5mm 2.047 / 52mm  589 g. U16715 Subaru EJ20 + 4mm – 3/8” Bolts (.905 pin)
    Mitsubishi
    Description Rod Journal Typical Wt. Part #
    5.695 / 144mm 2.165 / 52mm  627 g. U16720 Mitsubishi 4B11 – 3/8” Bolts
    5.906 / 150mm 1.890 / 45mm  672 g. U16730 Mitsubishi 4G63 – 7/16” Bolts
    6.024 / 153mm 1.890 / 45mm  684 g. U16740 Mitsubishi 4G63 – 3/8” Bolts
    6.142 / 156mm 1.890 / 45mm  683 g. U16750 Mitsubishi 4G63 – 7/16” Bolts

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