If you’re planning on building the 4G63 to handle substantial amounts of
horsepower and boost, then you should build the block with a set of Cosworth's Heavy Duty Connecting Rods. With over 50 years of racing heritage, they know what it takes to deliver an engine component that can sustain the
perils of high performance driving. Like all of their connecting rods,
these have been fabricated from 4340 steel, and have gone through the
careful process of proprietary forging to maintain optimum weight and
promote better strength.
The heavy duty connecting rods for the 4G63 feature a radial truss
SPECIAL FITMENT NOTES: Stroker rod to be used with 20004138 2.2L crank