The ZRP Stroker kits are specially designed to meet the high demands of the professional driver or the casual driver, giving the extra engine capacity a significant advantage. Our engineers have combined the highest quality materials and the latest forging and machining techniques to produce these kits. ZRP focused on European and Japanese engines and expanded the range of stroker kits to meet the needs of the racing industry. They are available for Turbo or N / A where applicable. We offer 3 different designs of crankshafts: Ultra-light construction, lightweight construction and standard counterweights. All ZRP kits include all new "H" and "I" ZRP connecting rods depending on engine, application or power output. The kits are equipped with specially designed pistons manufactured by Diamond or Wossner. All ZRP components in the stroker kit meet the strictest quality requirements.Technical propertiesMade of precision steel 4340.Full CNC machining.Multi-stage heat treatment.Heat treatment for excellent wear resistance.Magna-flucing for a flawless surface finish.Blasting for increased fatigue resistance.Micropolishing for longer bearing life. / - 0.1 and ready to set up. ZRP Strokera kits are specially designed to meet the high demands of professional drivers or regular drivers, giving a significant advantage of additional engine capacity. Our engineers have joined the highest quality materials and the latest techniques of forging and machining to produce these assemblies. ZRP focused on European and Japanese engines and extended the range of sets strokers to meet the needs of the racing industry. They are available for Turbo or n / a, where applicable. We offer 3 different crankshafts: Very lightweight, lightweight design and standard counterweight. All kits include all the ZRP new ZRP connecting rods "H" and "i" depending on the engine or power output. Kits are equipped with specially designed Pistons manufactured by Diamond or Wossner. All components of the ZRP included stroker meet the most stringent quality requirements.Technical characteristics of theManufactured with precise 4340 steelFull CNC machiningMulti-stage heat treatmentHeat treatment provides excellent wear resistanceMagna-flucing for error-free surface finishingShot peening to increase resistance to fatigueMicropolishing for longer bearing life & nbsp