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You are here: Home > Connecting Rods > Manley Connecting Rods > Pro Series I-Beam
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The Manley Pro Series I-Beam rod has become the benchmark for fully machined billet style high end connecting rods in the performance industry. Multiple weight designs targeting specific markets combined with their finely tuned manufacturing processes renders a truly outstanding product. Whether it is their 300M alloy "Dirt Series" rod in a 900 HP DLM engine, a 4340 heavy beam design in a twin turbo LS, or their "Turbo Tuff" design in a 1,000 HP EVO. Manley has the correct connecting rod for you.
  • Dirt Series (300M alloy)
  • NHRA Legal for Stock and Super Stock
  • Available in "Tour-Lite, Lightweight, Standard Weight, or Heavyweight designs
Please select your piston from the list below, or select from the categories listed above.




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Manley Steel Rods
Steel Rods_Manley_300M_I-Beam_Ford 4.6/5.0L_5.850 ctc_2.000 Journal_.866 Pin_Floating_ARP 2000 Cap Screw
Price $2,580.00

P/N: MAN-15320-8
  • Pro Series Lightweight I-Beam
  • 300M Forged Steel
  • 5.850 Rod Length
  • 2.000 Rod Journal
  • .866 Pin Size
  • Full Floating
  • Fully Machined
more info
Manley Steel Rods
Steel Rods_Manley_300M_I-Beam_Ford 4.6/5.0L_5.933 ctc_2.086 Journal_.866 Pin_Floating_ARP 2000 Cap Screw
Price $2,580.00

P/N: MAN-15318-8
  • Pro Series Lightweight I-Beam
  • 300M Forged Steel
  • 5.933 Rod Length
  • 2.086 Rod Journal
  • .866 Pin Size
  • Full Floating
  • Fully Machined
more info
Manley Steel Rods
Steel Rods_Manley_300M_I-Beam_Ford 5.4L_5.850 ctc_2.086 Journal_.866 Pin_Floating_ARP 2000 Cap Screw
Price $2,580.00

P/N: MAN-15321-8
  • Pro Series Lightweight I-Beam
  • 4340 Forged Steel
  • 6.657 Rod Length
  • 2.086 Rod Journal
  • .866 Pin Size
  • Full Floating
  • Fully Machined
more info
Manley Steel Rods
Steel Rods_Manley_300M_I-Beam_LS Series_6.125 ctc_2.100 Journal_.927 Pin_Floating_ARP 2000 Cap Screw
Price $1,640.00

P/N: MAN-14559-8
  • Pro Series I-Beam
  • Forced Induction Capable
  • Zero Offset for LS/LT1 applications
  • 300M Forged Steel
  • 6.125 Rod Length
  • 2.100 Rod Journal
  • .927 Pin Size
  • Full Floating
  • Fully Machined
more info
Manley Steel Rods
Steel Rods_Manley_4340_I-Beam_Chevrolet BB_6.135 ctc_2.200 Journal_.990 Pin_Floating_ARP 2000 Cap Screw
Price $1,750.00

P/N: MAN-14160-8
  • Pro Series I-Beam
  • 4340 Forged Steel
  • 6.135 Rod Length
  • 2.200 Rod Journal
  • .990 Pin Size
  • Full Floating
  • Fully Machined
more info
Manley Steel Rods
Steel Rods_Manley_4340_I-Beam_Chevrolet BB_6.135 ctc_2.200 Journal_.990 Pin_Floating_ARP L19 Cap Screw
Price $2,000.00

P/N: MAN-14160L-8
  • Pro Series I-Beam
  • 4340 Forged Steel
  • 6.135 Rod Length
  • 2.200 Rod Journal
  • .990 Pin Size
  • Full Floating
  • Fully Machined
more info
Manley Steel Rods
Steel Rods_Manley_4340_I-Beam_Chevrolet BB_6.385 ctc_2.200 Journal_.990 Pin_Floating_ARP 2000 Cap Screw
Price $1,750.00

P/N: MAN-14162-8
  • Pro Series I-Beam
  • 4340 Forged Steel
  • 6.335 Rod Length
  • 2.200 Rod Journal
  • .990 Pin Size
  • Full Floating
  • Fully Machined
more info
Manley Steel Rods
Steel Rods_Manley_4340_I-Beam_Chevrolet BB_6.385 ctc_2.200 Journal_.990 Pin_Floating_ARP L19 Cap Screw
Price $2,000.00

P/N: MAN-14162L-8
  • Pro Series I-Beam
  • 4340 Forged Steel
  • 6.385 Rod Length
  • 2.200 Rod Journal
  • .990 Pin Size
  • Full Floating
  • Fully Machined
more info
Manley Steel Rods
Steel Rods_Manley_4340_I-Beam_Chevrolet BB_6.535 ctc_2.100 Journal_.990 Pin_Floating_ARP 2000 Cap Screw
Price $1,750.00

P/N: MAN-14266-8
  • Pro Series I-Beam
  • 4340 Forged Steel
  • 6.535 Rod Length
  • 2.100 Rod Journal
  • .990 Pin Size
  • Full Floating
  • Fully Machined
more info
Manley Steel Rods
Steel Rods_Manley_4340_I-Beam_Chevrolet BB_6.535 ctc_2.200 Journal_.990 Pin_Floating_ARP 2000 Cap Screw
Price $1,750.00

P/N: MAN-14166-8
  • Pro Series I-Beam
  • 4340 Forged Steel
  • 6.535 Rod Length
  • 2.200 Rod Journal
  • .990 Pin Size
  • Full Floating
  • Fully Machined
more info