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Wiseco Pistons Wiseco Pistons - Subaru
Includes: moly coated skirts, rings, wrist pins & circlips.
*
Non-coated, not supplied with rings.

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. Stocking Pistons now come coated on the sides from the factory
  2. Valve Pocket designs that allow max flow around valve, also allowing oversized valves and high lift cams to be utilized.
  3. 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.
  4. 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.
  5. Complex piston skirt profiles that reduce power robbing friction, yet promoting stability in bore for optimum ring seal.
  6. 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.
  7. World class forging facility that utilizes the latest technologies featuring complex forged shapes, advanced materials, and featured aligned grain flow 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 110
Qty:
6 Cyl 165
Qty:
Rings purchased alone:
Rings: Price/Set Buy Now Rings: Price/Set Buy Now
4 Cyl 120
Qty:
6 Cyl 180
Qty:
Additional Options Available:
Option Description Price Buy Now
HD 1400DG Heavy Duty 2618 Forging 27,50/each piston
Qty:
ArmorGlide Skirt Coating 27,50/each piston
Qty:
ArmorPlating Piston Coating 27,50/each piston
Qty:
HD Pins Heavy Duty Wristpins 27,50/each piston
Qty:
Asymmetric Design Asymmetric Skirt 27,50/each piston
Qty:
K1 Rods Available  = Optional K1 Rods available for EJ18/20/25 Series,  Optional K1 Cranks available for EJ20/25 Dual Thrust Series
Subaru WRX EJ20 (October 1998 + earlier)
pistons are .012 above deck: use stock head gasket or W6174 Cometic Gasket
Series # Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K576M925
569
92.5/3.641 0 2.952 5.137 1.312 - -17.8 - .9055 1
Metric K576M93
569
93.0/3.661 0 75 131 33.3 - -17.8 - 23mm -
K1 Rods Available   Optional K1 Rods Available!
 
Subaru WRX EJ20, EJ205 (October 1998 + up)
Series # Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K588M92
569
92.00/3.622 Std. 2.952 5.137 1.29 48 -9 8.35 .9055 1

Metric K588M925
569
92.50/3.642 .020 75 131 32.7 48 -9 8.35 23mm -

K588M93
569
93.00/3.61 .040 same as above -

K1 Rods Available   Optional K1 Rods Available!
K1 Rods Available   Optional K1 Cranks Available! (EJ20/25 Dual Thrust Series)
 
Subaru WRX EJ20 Stroker - Pre October 1998
(
Rear Thrust - DOHC Crank, Sleeved Blocks w/o access holes)
Series # Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K579M925
569
92.5/3.641 0.020 3.110 5.137 1.181 - -17.8 8.5 .9055 1
Metric K579M93
569
93.0/3.661 0.040 79 131.5 30 - -17.8 8.5 23mm 1
K1 Rods Available   Optional K1 Rods Available!
 
Subaru WRX EJ20 Stroker - After October 1998
Rear Thrust - DOHC Crank
Series # Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K579M92B
569*
92.0 std 3.110 5.137 1.181 - 11.5 8.5 .9055 1,3
Metric K579M925B
569*
92.5/3.641 0.020 79 131.5 30 - 11.5 8.5 .9055 1,3
  K579M93B
569*
93.0/3.661 0.040 same as above 1,3
K1 Rods Available   Optional K1 Rods Available!
* Non-coated, not supplied with rings.
Subaru Impreza RS, Forester & Legacy EJ25 SOHC
Series # Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K600M995
569
99.5/3.917 std 3.110 5.181 1.181 50 -18 8.5 .9055 1
Metric K600M100
569
100/3.937 .020 79 131.6 30 50 -18 8.5 23mm 1
K1 Rods Available   Optional K1 Rods Available!
 
Subaru Impreza RS, Forester & Legacy EJ25 DOHC (1999 and up has 5.167" rod length)
Series # Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K599M995
569
99.5/3.917 std 3.110 5.181 1.191 46.6 -23 8.5 .9055 1
Metric K599M100
569
100/3.937 .020 79 131.6 30.25 46.6 -23 8.5 23mm 1
K1 Rods Available   Optional K1 Rods Available!
 
Subaru USA WRX STI, 2004 & Later EJ257
Series # Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K598M995
569
99.5/3.917 Std. 3.110 5.137 1.209 51 -19 8.9 .9055 1
Metric K598M100
569
100/3.937 0.020 79 130.5 30.7 51 -19 8.9 23mm 1
 
Subaru Legacy Turbo 1991-94 EJ22, 96-98 Non Turbo 5.135 rod, 99+ 5.165 rod
Series # Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K601M975
569
97.5/3.838 0.020 2.953 5.137 1.312 46.6 -20 8.5 .9055 1
Metric K601M98
569
98/3.858 0.040 75 130.5 33.25 46.6 -20 8.5 23mm 1
 
Subaru Hybrid EJ22 block w/EJ25 DOHC Crank & Rods
Series # Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K602M975
569
97.5/3.838 0.020 3.110 5.181 1.191 46.6 -24 8.5 .9055 1
Metric K602M98
569
98/3.858 0.040 79 131.6 30.25 46.6 -24 8.5 23mm 1
 
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.
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.
 
 
 
No high import / shipping costs and fees anymore.
Just order the parts here at Flatlander Performance Parts in the Netherlands.
 


All prices on website are without (exclude) salestax of 21 percent; MWST of 21 percent; BTW of 21 percent

Email: Sales@Flatlander-IPP.nl
Office: 0031 (0) 545-291505
Cell: 0031 (0) 6-23360358
FAX:
0031 (0) 545295648

Mailing Address:
(no store location, we're online only):
Flatlander-IPP Nederland
Postadres: Oudestraat 75
7161 DT Neede
Nederland

 
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