Forged CP Honda K20a and K20a2 high compression pistons 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.
CP Standard features include: |
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CP Pistons High Compression Honda Acura K20 PistonsFor K20a and K20a2 Engines
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Bore Inches |
Bore MM |
Size MM |
Stroke MM |
Rod Length MM |
Compression | Piston Set | |
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3.386 | 86 | STD | 86 | 139 | 11.5 | SC7140
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3.406 | 86.5 | +0.5mm | 86 | 139 | 11.5 | SC71401
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3.425 | 87 | +1.0mm | 86 | 139 | 11.5 | SC71402
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3.465 | 88 | +2.0mm | 86 | 139 | 11.5 | SC71403
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3.504 | 89 | +3.0mm | 86 | 139 | 11.5 | SC71404
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3.543 | 90 | +4.0mm | 86 | 139 | 11.5 | SC71405
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3.386 | 86 | STD | 86 | 139 | 12.5 | SC7142X
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3.406 | 86.5 | +0.5mm | 86 | 139 | 12.5 | SC71421X
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3.425 | 87 | +1.0mm | 86 | 139 | 12.5 | SC71422X
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3.465 | 88 | +2.0mm | 86 | 139 | 12.5 | SC71423X
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3.504 | 89 | +3.0mm | 86 | 139 | 12.5 | SC71424X
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3.543 | 90 | +4.0mm | 86 | 139 | 12.5 | SC71425X
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More general and technical information about CP Carrillo and our complete listing of all available CP products is here > CP Carrillo Forged 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 Acura Honda K20 series engine pistons you need.