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CP Pistons K24 High Compression Pistons

CP Honda K24 High Compression Pistons

CP High Compression K24 pistons for use in a K24 block but with a K20a or K20a2 cylinder head are compatible with stock and oversized valves and stock or high lift camshafts. Part numbers ending in a “X” are on a X-style forging for additional strength, durability and weight reduction. The X-style has a full radius dome design, high performance rings and light weight wrist pins.

CP Carrillo products represent the highest quality and are engineered for maximum power. Pistons can be ordered with gas ports, skirt coating, ceramic top coating, and stronger wrist pins if desired. To order a set with any of these options, please include a message in the note section of the order form during our check out process, or you may contact us in advance for more info on these options.

NOTE: These pistons will not work with a K24 cylinder head. If you need pistons for use in a K24 block with a K24 cylinder head we will be happy to help you with a custom set of pistons for that combination.

CP Standard features include:

  • Deep valve reliefs accommodate high lift camshafts
  • Larger valve reliefs for +1mm valve sizes
  • Custom skirt cam and barrel design
  • Accumulator grooves
  • High strength aluminum forgings
  • High performance rings included
  • Fully CNC machined and balanced to +/- 1 gram
  • Wrist pins included at no additional cost
  • Double pin oilers force fed from oil ring groove
  • Pick lock grooves for easy lock removal
  • Pin fitting included

CP Pistons High Compression K24 Pistons

For use in a Acura Honda K24 block with K20a or K20a2 cylinder head only. Will not work with K24 head.

Forged High Compression K24 Pistons

  • Bore Size Cylinder bore size piston is designed to work in, listed in inches and millimeters
  • Relative Size Denotes whether this bore size is stock standard size, or an oversize listed in millimeters
  • CR Compression Ratio
  • Crankshaft Stroke Designed to work with stock crank stroke of 99 mm
  • Connecting Rod Length Designed to work with stock rod length of 152 mm
  • Wrist Pin Diameter 22mm
  • Compression Height 1.181 inches This is the distance from the centerline of the wrist pin bore to the top flat surface of the piston.
  • Ring Widths Ring grooves are machined to work with 1.0mm, 1.2mm, 2.8mm rings
  • WHAT’S INCLUDED 4 forged pistons, 4 Wrist Pins, pin retention locks and premium piston ring set


Compression Piston Set
3.425 87 STD 99 152 11.5 SC7145

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3.445 87.5 +0.5mm 99 152 11.5 SC71451

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3.465 88 +1.0mm 99 152 11.5 SC71452

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3.504 89 +2.0mm 99 152 11.5 SC71453

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3.543 90 +3.0mm 99 152 11.5 SC71454

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3.425 87 STD 99 152 12.5 SC7147X

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3.445 87.5 +0.5mm 99 152 12.5 SC71471X

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3.465 88 +1.0mm 99 152 12.5 SC71472X

Add To Cart
3.504 89 +2.0mm 99 152 12.5 SC71473X

Add To Cart
3.543 90 +3.0mm 99 152 12.5 SC71474X

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More general and technical information about CP Carrillo and our complete listing of all available CP products is here > CP Piston Sets


Custom Acura Honda K24 High Compression Pistons

If you do not see a shelf stocking part number set here with the specifications that you need, we can provide you with a set of custom pistons built to your exact requirements. Please contact us if you would like to discuss a set of CP customs and we will be happy to work with you to insure you get exactly the K24 pistons you need.


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