Wiseco Piston Sets - 4 Cyl (K631M87) 02-06 Acura RSX Type-S

Wiseco K631M87 Piston Sets - 4 Cyl - Wiseco Acura K20 K24 FLAT TOP 1.181X87MM Piston Shelf Stock Kit for a 2002-2006 Acura RSX Type-S.

Wiseco Piston Sets - 4 Cyl K631M87 Image 1

Image(s) for display purposes only. Actual product may vary.

Manufacturer: Wiseco

Product: Wiseco Piston Sets - 4 Cyl

Part Number: K631M87

UPC: 00193564077431

$613.99

Free Shipping (Continental US)

New with manufacturer warranty

Availability: OUT OF STOCK
ETA: 12/16/2025*
*This ETA can be pushed back depending on pre-orders before this date. Please contact us to confirm this ETA. I am willing to wait and that there will be extended wait time.

Have a question regarding this product? Contact us.

Fitment:

NOTES: Wiseco Acura K20 K24 FLAT TOP 1.181X87MM Piston Shelf Stock Kit

Years	Make	Model	Trim
2002 - 2006	Acura	RSX	Type-S

Description:

Wiseco Honda K20A Piston Set, 87.00 mm Bore, 30.00 mm Compression Height, 0.866 in. Pin Diameter, Sport Compact, Set of 4..
Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.

Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strengthArmorGlide? Skirt Coating: seizure resistant, friction reduction, and quieter operationFully machined crown featuresPrecision ring grooves, anti-detonation groove, and additional ring seal improving featuresForced pin oilingDesigned and built to withstand heavy to severe duty performance applications

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OUT OF STOCK

2002-2006 Acura RSX Type-S
2002-2006 Acura RSX Base
1997-2001 Acura Integra GS
1994-2001 Acura Integra GS-R
1994-2001 Acura Integra LS
1994-1998 Acura Integra RS
1995-1996 Acura Integra Special Edition
1997-1998 Acura Integra Type R
2000-2001 Acura Integra Type R
1990-2009 Honda Civic EX
2005-2005 Honda Civic EX Special Edition
1988-2009 Honda Civic DX
1992-2000 Honda Civic CX
1988-1991 Honda Civic Base
1989-1991 Honda CRX Base
1988-1988 Honda CRX DX
1988-1991 Honda CRX HF
1988-1991 Honda CRX Si
2007-2009 Honda Fit Base
2007-2009 Honda Fit Sport
1988-1991 Honda Civic RT 4WD
1993-1997 Honda Civic del Sol Si
1993-1997 Honda Civic del Sol S
1988-1989 Honda Civic Wagovan
1992-1995 Honda Civic VX
2004-2005 Honda Civic Value Package
1999-1999 Honda Civic Value Package
2002-2009 Honda Civic Si
1999-2000 Honda Civic Si
1989-1995 Honda Civic Si
1994-1997 Honda Civic del Sol VTEC
2008-2008 Honda Civic MUGEN Si
2009-2009 Honda Civic LX-S
2005-2005 Honda Civic LX Special Edition
1988-2009 Honda Civic LX
2009-2009 Honda Civic Hybrid-L
2003-2009 Honda Civic Hybrid
1996-2005 Honda Civic HX
1998-2009 Honda Civic GX
2009-2009 Honda Civic EX-L

CP Pistons Piston Sets -4 Cyl SC71404-4

CP Piston & Ring Set for Honda K20A/A2 - Bore 89.0mm - Size (+3.0mm) - Compression Ratio 11.5

SHIPS FROM MANUFACTURER
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

2002-2004 Acura RSX Type-S

CP Pistons Piston Sets -4 Cyl SC70403-4

CP Piston & Ring Set for Acura/Honda K20A/A2/A3 - Bore (88mm) - Size (+2.0mm) - CR 9.0

SHIPS FROM MANUFACTURER
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

2002-2004 Acura RSX Type-S
2002-2006 Acura RSX Base

CP Pistons Piston Sets -4 Cyl SC71453-4

CP Piston & Ring Set for Honda K24 w/K20A/A2 - Bore 89.0mm - Size (+2.0mm) - Compression Ratio 11.5

SHIPS FROM MANUFACTURER
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

2002-2004 Acura RSX Type-S

Wiseco Piston Sets - 4 Cyl (K631M87)

Fitment:

Description:

Related Links:

Other Piston Sets - Forged - 4cyl: