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Wiseco Pistons Wiseco Pistons - Chevy Cavalier
Includes: moly coated skirts, rings, wrist pins & circlips.
* no coating, rings not included

Wiseco is world renown for their work building race winning pistons for compact engines featuring small bores, multi-valves, and high RPM's applications for many years.
Features:
  1. Valve Pocket designs that allow max flow around valve, also allowing oversized valves and high lift cams to be utilized.
  2. Piston crown shapes designed to promote max Intake Charge efficiency thru scavenging mixture 'Cross Flow" during intake and exhaust valve overlap. More fuel and air equals more horsepower.
  3. Pistons designed to optimize squish or quench during compression/combustion cycle event, resulting in resistance to detonation and pre-ignition. The end product is longer engine life and increased horsepower potential.
  4. Complex piston skirt profiles that reduce power robbing friction, yet promoting stability in bore for optimum ring seal.
  5. Precision machined ring grooves with proper orifice/accumulator volume using calculated groove root diameters and axial widths, featuring excellent surface finish and flatness providing maximum ring seal and minimizes blow-by and oil consumption.
  6. World class forging facility that utilizes the latest technologies featuring complex forged shapes, advanced materials, and featured aligned grain flw technology.
Piston prices marked with an * do not include rings.
If you need rings, please order them here:
Rings with purchase of Wiseco Pistons:
Rings: Price/Set Buy Now Rings: Price/Set Buy Now
4 Cyl $79
Qty:
6 Cyl $119
Qty:
Rings purchased alone:
Rings: Price/Set Buy Now Rings: Price/Set Buy Now
4 Cyl $99
Qty:
6 Cyl $139
Qty:
 
2002 Ecotec 2.2L (& Cobalt 02-06)  - Multiple Models
Part # Buy Now Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes
Inches K582M86
$439
86.00/3.386 std. 3.724 5.765 1.053 - FT OCC 10:1 .787 1
Metric K582M865
$439
86.50/3.405 .020 94.6 5.765 26.8 - FT OCC 10:1 20mm 1

Inches K583M86
$439
86.00/3.386 Std. 3.724 5.765 1.053 - -8 8.9:1 .787 1
Metric K583M865
$439
86.50/3.405 .020 94.6 5.765 26.8 - -8 8.9:1 20mm 1
Multiple Models 1996-02 (LD9 2.4 Ltr. non quad 4)
Part # Buy Now Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes
Inches K584M900
$439
90.00/3.543 Std. 3.701 5.709 1.181 61.5 -7.5 9:1 .866 1
Metric K584M905
$439
90.50/3.563 .020 94 145 30 61.5 -7.5 9:1 22mm 1
93-02 Cavalier, Sunfire, 2.4 LN9 (non-Ecotec),  90mm std. bore
Part # Buy Now Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes
Inches K022M900
$459*
90.00/3.543 Std. 3.701 5.709 1.181 61.5 -7.5 8.5 .866 1,3
Metric K022M905
$459*
90.50/3.563 .020 94 145 30 61.5 -7.5 8.5 22mm 1,3
  K023M900
$459*
90.00/3.543 same info as above 10.5 .866 1,3
  K023M905
$459*
90.50/3.563 10.5 22mm 1,3
* no coating, rings not included
93-00 Cavalier, Sunfire, 2.2 LN2 (non-Ecotec), 89mm, 3.385 std. bore
Part # Buy Now Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes
Inches K020M890
$459*
89.0 std. - 5.590 - - -18 8-5, 9-1 .800 1,3
Metric K020M895
$459*
89.5 .020 - 5.590 - - -18 8-5, 9-1 .800 1,3
  K020M900
$459*
90.0 .040 - 5.590 - - -18 8-5, 9-1 .800 1,3

Inches K021M890
$459*
89.0 std. - 5.590 - - F/T 10.8:1 .800 1,3
Metric K021M895
$459*
89.5 .020 - 5.590 - - F/T 10.8:1 .800 1,3
  K021M900
$459*
90.0 .040 - 5.590 - - F/T 10.8:1 .800 1,3

Inches K021M890B
$459*
89.0 std. - 5.590 - - Dome 11.8-12:1 .800 1,3
Metric K021M895B
$459*
89.5 .020 - 5.590 - - Dome 11.8-12:1 .800 1,3
  K021M900B
$459*
90.0 .040 - 5.590 - - Dome 11.8-12:1 .800 1,3
* no coating, rings not included
Ecotec 2.4L (Solstice, Saturn Sky, Cobalt) 2007
Part # Buy Now Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes
Inches K024M880
$459*
88.0 std 3.858
(98mm)
5.659
(143.75 mm)
1.092 - 16.0cc
(dish)
8.5-1 .787
(20mm)
3
Metric K024M885
$459*
88.5 .020 3.858
(98mm)
5.659
(143.75 mm)
1.092 - 16.0cc
(dish)
8.5-1 .787
(20mm)
3
* no coating, rings not included
Notes:
#1 Most Wiseco pistons have offset pins. Pins must be offset the same as o.e. for quietest operation - Pin offset will be opposite of direction of engine rotation.
#3 Non-coated, not supplied with rings.
#4 This piston made w/stock compression height, which is very close to cylinder head. Use Cometic thick gasket if decking block.
Notes: that apply to all Part #'s:
*
Some pistons are listed with a range of compression ratio's. The low number is determined w/an un-cut deck and the high number is determined w/.030 piston to cylinder head clearance.
* Always check pistons to valve clearance - If using VTEC or like mechanisms- check w/longer duration higher lift lobe.
* Always run at least .030 piston to head clearance including gasket thickness.
* If piston appears to be different than expected, please do not hesitate to call Wiseco at 800-321-1364 to verify proper installation specifications.
 

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*All prices on this site are subject to change without notice. Import Performance Parts™ disclaims responsibility for any printing or typographical errors, and does not guarantee that all information is accurate.


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