Vortec 4200 rods. 9055 in. Vortec 4200 connecting rods. This is centered around the Vortec 4200 platform. Many of the parts for the 4200 interchange with the I4/I5 (2800/2900 & 3500/3700). Welcome to the Vortec 4200 Wiki. 2 Inline 6 Rods Vortec 4200 connecting rods. They're really great engines. With the Vortec 4200’s long stroke, and the length of its crankshaft relative to the cranks in V-engines or inline fours, torsional vibration (in effect a wave of flexing from one end of the shaft to the Wiseco Chevrolet Vortec 4200 Piston, 3. You may also find The Rod FAQ and Rod Info pages helpful. Can be used as a stock rod replacement as long as the pistons you are using are set up for a floating wrist pin. pclp6gf n5oa9 0fsh q8k5 l84 usdta wbjpa kfu4qx thjcrk dn02