CP Carrillo 2618 Piston Set Focus ST


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Upgraded pistons are a necessary step to safely producing more than 450WHP out of an EcoBoost engine. These 2618 CP Carrillo pistons are top notch and we are strongly considering them for our own upcoming engine build (Stay tuned!). They should be matched up with CP Carrillo rods as they both sport a 22mm wrist pin size.

  • Pin Diameter (mm): 22
  • Cylinder Bore (mm): 87.5

Recommended Rods


Manufactured in the USA made from oversized proprietary steel forgings to enable proper grain flow and guarantee removal of any surface inclusions, CP-Carrillo ensures strength and durability of each Carrillo piston. Consistent and reliable from the first point of precision manufacturing all the way to extreme uses in racing world, exclusive Carrillo H beam designs offer the highest strength-to-weight ratio; Custom designed fasteners; 100 traceability; multi-step final inspection; CP-Carrillo moly based fastener lubrication included.

Features include:
  • Anti Detonation Grooves (Contact Reduction Grooves) are grooves that protect the top ring by disrupting detonation waves. Also know as contact reduction grooves, these grooves limit the piston/cylinder contact during high temperature and RPM.
  • Accumulator Groove is a V shaped groove machined in the 2nd ring land to collect excess blow-by between the top and second ring. This groove collects residual gasses during combustion and alleviates top ring flutter while increasing ring seal.
  • CP groove stands for Constant Pressure Groove. This groove works as a channel on the lower part of the top land that equalizes pressure to the back of the top ring groove.
  • When used in combination with lateral gas ports, the CP groove helps keep gas ports clear of carbon build up. In addition, the CP groove prevents the top land from smudging into the top ring if the land rubs the cylinder bore.
  • Double Pin Oilers in conjunction with our dual fed reservoir add twice the amount of oil from the cylinder wall to the wrist pin.
  • X-Forgings are designed to minimize friction and reduce weight without compromising strength. With the use of bracing and ribs, the forging is configured by adjusting the weight balance between high and low stress areas. This design enables the use of a shorter pin for added strength and weight savings.
  • Radius Domes are used to maximize quench while eliminating possible hot spots that promote detonation.

**If order needs to be shipped outside of the USA, additional shipping charges will be calculated and added after the purchase**





  • Model: Mk3_FoST_SC7528
  • Shipping Weight: 2.3kgs
  • 10 Units in Stock

This product was added to our catalog on Thursday 23 July, 2015.