CJM Cylinder Liner Sleeves (EJ25)

CJM Ductile Iron Sleeves for EJ25 

Ductile-iron Sleeves provide significantly higher strength and durability than the OEM cast-in liners, offering exceptional wear resistance, thermal stability, and bore rigidity. The enhanced material properties allow the block to tolerate extreme cylinder pressures and boost levels, confidently supporting 950+ horsepower.

CJM’s centrifugally cast ductile iron sleeves deliver exceptional surface toughness and durability. The centrifugal casting process produces an optimized, highly uniform grain structure throughout the sleeve, resulting in superior strength, improved thermal stability, and exceptional wear resistance. This casting method also creates a bore finish that promotes rapid and complete piston ring sealing, ensuring maximum combustion efficiency in every cylinder.

Engineered for the extreme demands of all-out racing, CJM sleeves offer unmatched reliability and performance. Their centrifugally cast ductile iron composition represents the highest quality achievable in cast sleeve materials.