Wiseco K634M89 Sport Compact Pistons
Wiseco Sport Compact Pistons (K634M89) for a 2002-2011 Acura and 2002-2011 Honda. K20 - 89mm Bore | 11.0 Comp RatioK24 (With K20 Cylinder Head) - 89mm Bore | 12.5 Comp Ratio.
All Buying Options:
|Wiseco 89mm Piston kit 11.6 CR K634M89 for 02-06 RSX Type S 06-11 Civic Si
|Wiseco 13.3 Comp ratio K634M89 for Honda K24 89MM Piston K634M89
|Wiseco 89mm 11.6:1 Pistons for 2002-2006 Acura RSX 03-05 Honda Civic Si K20
|Wiseco Pistons 89mm Bore 13.2:1 Comp Fits Honda K24 with K20 K20A K20Z Cyl Head
|Wiseco Pistons 89mm Bore 11.6:1 For Honda Acura K20 K20A K20A2 K20Z1 K20Z3
See partnumber notes and applications notes above for specific product information.
Wiseco sport compact pistons are forged and machined in-house and receive a full compliment of power enhancing features. Light weight forgings, millimeter ring packs, extra-strength forgings, gas ports, skirt coatings, offset pins, and a variety of other features are available to insure each engine exceeds our customer’s expectations. Optimized skirt profiles minimize rock and provide long skirt life in stroker applications.
All machining is done on the newest CNC equipment to insure the tightest tolerances in the industry. Our Wiseco sport compact pistons are top of the line performance parts, built for the demanding consumer that wants nothing but the best. Some of our sport compact pistons are even matched with high quality NPR Steel nitrided rings with napier style 2nd rings.
Below are just some of the popular features found in our forged piston product lines:
- Valve pocket designs allow maximum flow around the valve, allowing the use of oversized valves and high lift cams.
- Piston crown shapes are designed to promote the maximum intake charge efficiency through a scavenging mixture ‘Cross Flow’ during intake and exhaust valve overlap. More fuel and air equals more horsepower.
- Piston domes are designed for optimal quench during the compression/ combustion cycle, resulting in resistance to detonation and pre-ignition. The end product is longer engine life and increased horsepower potential.
- Precision machined ring grooves with proper orifice/ accumulator volume feature calculated groove root diameters and axial widths, providing excellent surface finish and flatness, maximum ring seal, and minimized blow-by and oil consumption.
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