Experience the pinnacle of connecting rod technology with our Pro Series rods, designed for ultimate performance.Superior Materials: These rods are available in two exceptional materials: forged 4340 or 300M vacuum degassed steel alloys, engineered for unparalleled performance and durability.NHRA Legal Certification: Certain SKUs within the Pro Series I-Beam range have earned "NHRA Legal" certification, ensuring compliance with NHRA legality standards for Stock and Super Stock racing categories.Versatile Weight Options: Our Pro Series I-Beam connecting rods offer multiple weights tailored to specific markets, including Tour Lites?, Lightweights, Standard Weights, and Heavy Weights, aligning perfectly with your engine's needs and performance objectives.

This Part Fits:

Year	Make	Model	Submodel
2005-2006	Saab	9-2X	Aero
2002-2012	Subaru	Impreza	WRX
2006-2007,2010-2012	Subaru	Impreza	WRX Limited
2009-2012	Subaru	Impreza	WRX Premium
2004-2012	Subaru	Impreza	WRX STI
2007,2011-2012	Subaru	Impreza	WRX STI Limited
2010	Subaru	Impreza	WRX STI Special Edition
2006-2007	Subaru	Impreza	WRX TR