Wiseco Pro Tru Pistons; Sport Compact Series; Replacement/Individual Piston; Recommended RingSet: 8900XX; Rings & Pins Included ACURA RSX


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Part #: 6650M89
Notes: Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8900XX
Rings & Pins Included
MSRP: $188.94
Your Price: $159.64
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Specs

Bore 89mm
Comp Height 30
Comp Ratio 14.2:1
Comp Ratio 12.4:1
Dome Volume 10.5
Gram Weight TBA
Rod 139
Rod 152
Stroke 86
Stroke 99

This Item Also Available In

Part Number Price Notes & Specs
6568M87 $138.30 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8700XX
Rings & Pins Included
Bore 87mm
Comp Height 30
Comp Ratio 9.0:1
Comp Ratio 10.2:1
Dome Volume -9
Gram Weight 303
Rod 139
Rod 152
Stroke 99
Stroke 86
6634M895 $138.30 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8950XX
Rings & Pins Included
Bore 89.5mm
Comp Height 30
Comp Ratio 12.5:1:1
Comp Ratio 11.0:1
Dome Volume 5
Gram Weight TBA
Gram Weight 335
Rod 139
Rod 152
Stroke 86
Stroke 99
K573M87 $478.07 Notes Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8700XX
Rings & Pins Included
Bore 87mm
Comp Height 30
Comp Ratio 11.7:1
Comp Ratio 13.7:1
Dome Volume 8
Gram Weight 330
Rod 139
Rod 152
Stroke 86
Stroke 99
K650M89 $546.47 Notes Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8900XX
Rings & Pins Included
Bore 89mm
Comp Height 30
Comp Ratio 14.2:1
Comp Ratio 12.4:1
Dome Volume 10.5
Gram Weight TBA
Rod 139
Rod 152
Stroke 99
Stroke 86
6568M875 $138.30 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8750XX
Rings & Pins Included
Bore 87.5mm
Comp Height 30
Comp Ratio 10.2:1
Comp Ratio 9.0:1
Dome Volume -9
Gram Weight 307
Rod 139
Rod 152
Stroke 86
Stroke 99
K573M875 $478.07 Notes Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8750XX
Rings & Pins Included
Bore 87.5mm
Comp Height 30
Comp Ratio 13.7:1
Comp Ratio 11.7:1
Dome Volume 8
Gram Weight 336
Rod 139
Rod 152
Stroke 99
Stroke 86
K631M875 $441.87 Notes Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8750XX
Rings & Pins Included
Bore 87.5mm
Comp Height 30
Comp Ratio 9.8:1
Comp Ratio 11.1:1
Dome Volume -3.4 FT
Gram Weight 335
Gram Weight 346
Rod 139
Rod 152
Stroke 86
Stroke 99
K634M87 $495.79 Notes Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8700XX
Rings & Pins Included
Bore 87mm
Comp Height 30
Comp Ratio 11.0:1
Comp Ratio 12.5:1:1
Dome Volume 5
Gram Weight TBA
Gram Weight 316
Rod 152
Rod 139
Stroke 86
Stroke 99
K650M875 $566.75 Notes Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8750XX
Rings & Pins Included
Bore 87.5mm
Comp Height 30
Comp Ratio 14.2:1
Comp Ratio 12.4:1
Dome Volume 10.5
Gram Weight TBA
Rod 139
Rod 152
Stroke 99
Stroke 86
K650M88 $546.47 Notes Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8800XX
Rings & Pins Included
Bore 88mm
Comp Height 30
Comp Ratio 12.4:1
Comp Ratio 14.2:1
Dome Volume 10.5
Gram Weight TBA
Rod 139
Rod 152
Stroke 99
Stroke 86
6573M88 $141.91 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8800XX
Rings & Pins Included
Bore 88mm
Comp Height 30
Comp Ratio 11.7:1
Comp Ratio 13.7:1
Dome Volume 8
Gram Weight 341
Rod 139
Rod 152
Stroke 86
Stroke 99
K568M875 $499.81 Notes Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8750XX
Rings & Pins Included
Bore 87.5mm
Comp Height 30
Comp Ratio 9.0:1
Comp Ratio 10.2:1
Dome Volume -9
Gram Weight 307
Rod 139
Rod 152
Stroke 86
Stroke 99
K573M88 $503.78 Notes Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8800XX
Rings & Pins Included
Bore 88mm
Comp Height 30
Comp Ratio 11.7:1
Comp Ratio 13.7:1
Dome Volume 8
Gram Weight 341
Rod 152
Rod 139
Stroke 86
Stroke 99
K634M875 $466.93 Notes Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8750XX
Rings & Pins Included
Bore 87.5mm
Comp Height 30
Comp Ratio 11.0:1
Comp Ratio 12.5:1:1
Dome Volume 5
Gram Weight TBA
Gram Weight 318
Rod 139
Rod 152
Stroke 99
Stroke 86
6568M89 $138.30 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8900XX
Rings & Pins Included
Bore 89mm
Comp Height 30
Comp Ratio 10.2:1
Comp Ratio 9.0:1
Dome Volume -9
Gram Weight 322
Rod 139
Rod 152
Stroke 86
Stroke 99
6573M87 $141.91 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8700XX
Rings & Pins Included
Bore 87mm
Comp Height 30
Comp Ratio 13.7:1
Comp Ratio 11.7:1
Dome Volume 8
Gram Weight 330
Rod 139
Rod 152
Stroke 86
Stroke 99
6631M87 $130.17 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8700XX
Rings & Pins Included
Bore 87mm
Comp Height 30
Comp Ratio 11.1:1
Comp Ratio 9.8:1
Dome Volume -3.4 FT
Gram Weight 320
Gram Weight 336
Rod 152
Rod 139
Stroke 86
Stroke 99
6634M87 $138.30 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8700XX
Rings & Pins Included
Bore 87mm
Comp Height 30
Comp Ratio 11.0:1
Comp Ratio 12.5:1:1
Dome Volume 5
Gram Weight 316
Gram Weight TBA
Rod 139
Rod 152
Stroke 86
Stroke 99
6634M875 $138.30 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8750XX
Rings & Pins Included
Bore 87.5mm
Comp Height 30
Comp Ratio 11.0:1
Comp Ratio 12.5:1:1
Dome Volume 5
Gram Weight 318
Gram Weight TBA
Rod 139
Rod 152
Stroke 86
Stroke 99
6573M875 $141.91 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8750XX
Rings & Pins Included
Bore 87.5mm
Comp Height 30
Comp Ratio 11.7:1
Comp Ratio 13.7:1
Dome Volume 8
Gram Weight 336
Rod 152
Rod 139
Stroke 86
Stroke 99
6573M89 $141.91 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8900XX
Rings & Pins Included
Bore 89mm
Comp Height 30
Comp Ratio 13.7:1
Comp Ratio 11.7:1
Dome Volume 8
Gram Weight 359
Rod 139
Rod 152
Stroke 86
Stroke 99
6631M875 $130.17 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8750XX
Rings & Pins Included
Bore 87.5mm
Comp Height 30
Comp Ratio 11.1:1
Comp Ratio 9.8:1
Dome Volume -3.4 FT
Gram Weight 346
Gram Weight 335
Rod 139
Rod 152
Stroke 86
Stroke 99
6650M88 $155.72 Notes Pro Tru Pistons
Sport Compact Series
Replacement/Individual Piston
Recommended RingSet: 8800XX
Rings & Pins Included
Bore 88mm
Comp Height 30
Comp Ratio 12.4:1
Comp Ratio 14.2:1
Dome Volume 10.5
Gram Weight TBA
Rod 152
Rod 139
Stroke 86
Stroke 99
K568M87 $486.53 Notes Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8700XX
Rings & Pins Included
Bore 87mm
Comp Height 30
Comp Ratio 10.2:1
Comp Ratio 9.0:1
Dome Volume -9
Gram Weight 303
Rod 139
Rod 152
Stroke 99
Stroke 86
K631M87 $446.59 Notes Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8700XX
Rings & Pins Included
Bore 87mm
Comp Height 30
Comp Ratio 11.1:1
Comp Ratio 9.8:1
Dome Volume -3.4 FT
Gram Weight 336
Gram Weight 320
Rod 139
Rod 152
Stroke 86
Stroke 99

All Fitments

ACURA
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2002 - 2006 RSX TYPE-S ALL ALL ALL K20A2
K20Z1
ALL
2004 - 2008 TSX ALL ALL ALL ALL ALL ALL K24 & K24 w/ K20 Cylinder Head
HONDA
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2003 - 2007 ACCORD ALL L4 2.4 ALL K24A4
K24A8
ALL K24 & K24 w/ K20 Cylinder Head
2002 - 2006 CR-V ALL ALL ALL ALL ALL ALL K24 & K24 w/ K20 Cylinder Head
2003 - 2011 ELEMENT ALL ALL ALL ALL ALL ALL K24 & K24 w/ K20 Cylinder Head

Product Description

World renowned for our work building race winning pistons, Wiseco utilizes experience from a diverse background of the most sophisticated sport compact engines.

Wiseco’s Sport Compact Pro Tru line creates the best value in forged pistons today. These American made pistons are forged and machined by skilled Ohio craftsmen with state-of-the-art forging presses and CNC machines. By using dedicated forgings specific to the final piston shape, Pro Tru pistons are stronger and lighter than industry standards.

Pro Tru sets include plasma moly 1/16, 1/16, 3/16 pre-gapped ring packages which provide excellent seal, friction reduction, and long life. Pro Tru pistons also come in a variety of volumes that allow the engine builder to choose the exact compression ratio required for their engine.

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