Brian Crower Connecting Rods Mitsubishi Evolution X bRods w/ ARP2000 Fasteners | BC6137 Vehicle Model_IS 350 or competition-oriented — stock ring

or competition-oriented — stock ring sets often fall short in sealing

COBB Tuning Flex Fuel Upgrade Kit for Subaru measures the ethanol content level of the fuel being pumped into your engine and then sends that data to the ECU to be used in a Flex Fuel calibration

The large 3” diameter also makes it ideal for additional upgrades and/or boost

and supports higher output while maintaining daily‑driving usability

increasing the stiffness of the front suspension and chassis

Brian Crower Connecting Rods Mitsubishi Evolution X bRods w/ ARP2000 Fasteners | BC6137 Vehicle Model_IS 350 or competition-oriented — stock ringBrian Crower rods for the 4B11 engine are made from 4340 billet steel. All Brian Crower rods are designed for high horsepower forced induction and high revving naturally aspirated engines. Manufactured in state of the art CNC machining centers, Brian Crower rods are a high precision choice for your Evo X. These are full sets of four (4) rods including aluminum bronze bushings. BC offers bRods with ARP2000 fasteners or custom 625+ rods and ARP625+