Connecting Rods - 4Cyl

Connecting rods link the piston to the crankshaft, converting combustion pressure into rotational force. In 4-cylinder engines, they endure high RPMs and varying loads. Our collection includes stock-style replacements and high-strength forged or billet rods for performance builds.

Key factors when choosing connecting rods:

  • Material: Forged 4340 steel for extreme strength, 5140 steel for a cost-effective upgrade, or aluminum for lightweight applications.
  • Design: H-beam or I-beam profiles balance weight and rigidity; match to your power goals.
  • Sizing: Standard or stroker lengths; verify big end, small end, and center-to-center dimensions.
  • Hardware: Many sets include ARP or equivalent high-tensile bolts—follow recommended torque and stretch procedures.

From daily drivers to dedicated race engines, the right rods provide a reliable bottom end. Browse our selection and confirm fitment with your engine specifications.

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Set of Carrillo Pro-H beam connecting rods with 3/8 inch CARR bolts for Mitsubishi 4B11T Evolution X engines.

$1,459.52

Low in stock
Brian Crower Sportsman Series connecting rods for 4U-GSE engines with ARP2000 bolts

$780.15

In stock
Brian Crower BC625+ connecting rods for Subaru EJ205 and EJ257 engines with ARP Custom Age 625+ rod bolts.

$980.70

Low in stock
Brian Crower Sportsman Series connecting rods for 2010-2013 Hyundai Genesis Coupe 2.0T.

$657.30

Low in stock
Brian Crower BC625+ series connecting rods for 2010-2013 Hyundai Genesis Coupe 2.0T

$980.70

Low in stock
Brian Crower Sportsman series H-beam connecting rods for Toyota 4AGE with ARP2000 hardware.

$657.30

Low in stock
Brian Crower Sportsman Series H-beam connecting rods for Toyota 3SGTE with ARP2000 bolts.

$657.30

Low in stock
Set of Brian Crower bROD connecting rods for Nissan KA24DE with ARP2000 bolts.

$657.30

Low in stock
Brian Crower BC625+ H-beam connecting rods for Nissan SR20DET engines with ARP Custom Age 625+ bolts

$980.70

Low in stock
Set of Brian Crower bROD H-beam connecting rods for Honda F20C with ARP2000 bolts.

$657.30

Low in stock
Brian Crower bROD H-beam connecting rod for Honda F22C engine with ARP2000 rod bolts

$657.30

Low in stock
Brian Crower LightWeight bROD 4340 chromoly connecting rods for K24A engines featuring ARP2000 rod bolts.

$657.30

Low in stock
Brian Crower Lightweight bROD connecting rod for Acura RSX and Honda Civic K20 engines with ARP2000 hardware.

$657.30

Low in stock
Brian Crower BC6045 H-beam connecting rods with ARP Custom Age 625+ fasteners for Honda K24A engines.

$980.70

Low in stock
Brian Crower bROD series connecting rods with ARP2000 rod bolts for Honda and Acura K24A engines.

$657.30

Low in stock
Set of Brian Crower bROD connecting rods with ARP2000 fasteners for Acura and Honda B18A/B and B20 engines

$657.30

Low in stock
Set of Brian Crower ProH2K H-beam connecting rods and ARP2000 bolts for Honda L15B5 and L15B7 engines.

$657.30

In stock
BoostLine forged steel 144mm connecting rods for VW 2.0T TSI featuring ARP 625+ bolts.

$1,099.99

In stock
BoostLine forged steel connecting rods for VW 2.0T TSI engines with 144mm length and 23mm pin diameter.

$799.99

In stock
BoostLine forged connecting rod kit for Volkswagen 2.0T TSI engines with 144mm length and 22mm wrist pin diameter.

$799.99

Low in stock
BoostLine forged steel connecting rods for Subaru EJ20 and EJ25 turbo engines, 130.5mm length.

$799.99

In stock
BoostLine forged steel connecting rod kit for Honda K20C engines featuring a 143.66mm center-to-center length.

$799.99

Out of stock
Forged BoostLine 138mm connecting rods for Honda B18C engines including high-strength ARP rod bolts.

$799.99

In stock

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