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Wiseco Pistons
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Wiseco Pistons - Mazda
Includes: moly coated skirts, rings, wrist pins & circlips.
(* = Custom, Non-coated, NOT supplied with rings. Order RINGS separately HERE)
 
Wiseco Sport Compact Pistons are made from dedicated forgings produced in-house to give you a light weight piston with superior strength and optimal design. Being the multivalve piston technology leader, the line features specially designed valve pockets, complex dome and crown shapes, the steel nitride/napier xx rings and optimized skirt profiles. The pistons come standard with our ArmorGlide® coating material for reduced friction and noise, freeing up horsepower.
 
Stocking Shelf Pistons Come Complete With:
  • Aerospace grade materials, forged for maximum strength.
  • Precision tolerance CNC machining for quality, repeatability and performance.
  • Crown thickness and ring lands designed for power adders such as forced induction (turbos & blowers) and nitrous oxide. (Note: High comp. pistons are generally designed for nat. aspirated engines)
  • High Quality Piston Rings featuring positive twist nitride steel top ring, Napier 2nd ring, and nitrided rails on a specially designed expander for the best oil control.
  • Wrist Pins constructed of chrome moly steel material for the ultimate in strength.
  • Honed/Reamed pin bore holes for a precise tolerance fi t between wrist pin and piston.
  • Wire Retainer Clip Lock, featuring chrome silicon material for the ultimate yield strength.
  • Piston deburred for performance and reliability.

 
KL Pistons - ALL NEW DESIGN!
-----------------------------------
Mazda 626/MX6 KL 2.5L  '93-03 and Ford Probe KL '93-97 (24V DOHC V6)
Pin Diameter = 20mm (.787)
These pistons are for Stock KL Rod pin diam. only.
(NOTE: 
Wiseco Pistons made for IPP have always been a correct design when pistons are installed per instructions.)
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K999M845A $699* 84.5 Std 2.920 5.246 1.148 39cc -13cc
Dish
8.5 .787 3
Metric K999M850A $699* 85.0 20 74.2 5.246 1.148 39cc -13cc
Dish
8.5 20mm 3
  K999M855A $699* 85.5 40 same as piston above 3

Inches K998M845A $699* 84.5 Std 2.920 5.246 1.148 39cc Dish 9.5 .787 3
Metric K998M850A $699* 85.0 20 74.2 5.246 1.148 39cc Dish 9.5 20mm 3
  K998M855A $699* 85.5 40 same as piston above 3

Inches K997M845A $699* 84.5 Std 2.920 5.246 1.148 39cc F/T 10.2 .787 3
Metric K997M850A $699* 85.0 20 74.2 5.246 1.148 39cc F/T 10.2 20mm 3
  K997M855A $699* 85.5 40 same as piston above 3

Inches K996M845A $699* 84.5 Std 2.920 5.246 1.148 39cc Dome 11.5:1 .787 3
Metric K996M850A $699* 85.0 20 74.2 5.246 1.148 39cc Dome 11.5:1 20mm 3
  K996M855A $699* 85.5 40 same as piston above 3
* no coating, rings not included
 
Mazda Millennia S KL 2.5L  (21mm Pin)
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K999M845C $699* 84.5 Std 2.920 5.246 1.148 39cc -13cc
Dish
8.5 .827 3
Metric K999M850C $699* 85.0 20 74.2 5.246 1.148 39cc -13cc
Dish
8.5 21mm 3
  K999M855C $699* 85.5 40 same as piston above 3

Inches K998M845C $699* 84.5 Std 2.920 5.246 1.148 39cc Dish 9.5 .827 3
Metric K998M850C $699* 85.0 20 74.2 5.246 1.148 39cc Dish 9.5 21mm 3
  K998M855C $699* 85.5 40 same as piston above 3

Inches K997M845C $699* 84.5 Std 2.920 5.246 1.148 39cc F/T 10.2 .827 3
Metric K997M850C $699* 85.0 20 74.2 5.246 1.148 39cc F/T 10.2 21mm 3
  K997M855C $699* 85.5 40 same as piston above 3

Inches K996M845C $699* 84.5 Std 2.920 5.246 1.148 39cc Dome 11.5:1 .827 3
Metric K996M850C $699* 85.0 20 74.2 5.246 1.148 39cc Dome 11.5:1 21mm 3
  K996M855C $699* 85.5 40 same as piston above 3
* no coating, rings not included
 
Mazda 2.0 16V FS (Fits Mazda Speed 2003 Turbo, 626 & Ford Probe)
K1 Rods Available   Optional K1 Rods available for Mazda 2.0 FS: Part # 028CD12135
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K614M83 $537 83.00/3.268 std 3.622 5.325 1.175 38 -16.5 9.2 .748 4
Metric K614M835 $537 83.50/3.287 .020 92 135.25 29.85 38 -16.5 9.2 19mm 4
  K614M84 $537 84.00/3.307 .040 same as piston above 4

Inches K007M830 $499* 83.00/3.268 std 3.622 5.325 1.175 38 - 11.8 .748 4,3
Metric -   - - 92 135.25 29.85 38 - 11.8 19mm - -
* no coating, rings not included
 
Mazda 2.3 Liter (OE naturally aspirated) Not MazdaSpeed3 with 22.5mm pin
K1 Rods Available   Optional K1 Rods Available!
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K628M875 $537 87.50/
3.445
std 3.701 6.092 1.122 42 -23 8.8 .827 1
Metric K628M88 $537 88.00/
3.464
.020 94 154.75 28.5 42 -23 8.8 21mm 1

Inches K629M875 $537 87.50/
3.445
std 3.701 6.092 1.122 42 -7 11.0 .827 1
Metric K629M88 $537 88.00/
3.464
.020 94 154.75 28.5 42 -7 11.0 21mm 1
 
Mazda 2.0 FS - 626/MX6 1993-97, 626 1998-03 (16V DOHC)
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K008M830 $499* 83.00/3.268 std 3.622 5.325 1.175 38 - 10.8:1 .748 4,3
Metric -   - - 92mm 135.25 29.85 38 - - 19mm - -
* no coating, rings not included
 
Mazda 2.2 F2 TURBO - 626/MX6 1988-92 (12V SOHC)
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K009M865 $499* 86.5/3.404 .020 3.70 - - - Dish 8.8:1 .866 4,3
Metric K009M870 $499* 87.0/3.425 .040 94mm - - - Dish 8.8:1 22mm 4,3
* no coating, rings not included
 
Mazda Miata 1.6L 16V Turbo (B6)
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K554M785 $537 78.50/3.090 .020 3.287 5.236 1.258 36 -13 8.5 .787 1,3
Metric K554M79 $537 79.00/3.110 .040 83.5 133 32.4 36 -13 8.5 20mm 1,3
  K554M795 $537 79.50/3.130 .060 same as pistons above 1,3
 
Mazda Miata MX-5 & Protégé 1.8L 16V ("BP" engine code)
207mm deck and different valve angles on 1999+
K1 Rods Available   Optional K1 Rods Available for Mazda 1.8 BP: Part # 028CC14133
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K553M835 $537 83.50/3.287 .020 3.346 5.236 1.201 50 -4 8.5-8.8 .787 1,3
Metric K553M84 $537 84.00/3.307 .040 85 133 30.5 50 -4 8.5-8.8 20mm 1,3
  K553M845 $537 84.50/3.327 .060 same as piston above 1,3

Inches K590M835 $552 83.50/3.287 .020 3.346 5.236 1.201 50 7 10.0-10.3 .787 1
Metric K590M84 $552 84.00/3.307 .040 85 133 30.5 50 7 10.0-10.3 20mm 1
* no coating, rings not included
 
Mazda Speed MZR 03-06 16V 2.3L
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K011M875A $599* 87.5 Std 3.701 6.092 - - Dish 8.5-1 .827 3
Metric K011M880A $599* 88.0 20 94mm 154.75mm - - Dish 8.5-1 21mm 3

Inches K011M875B $599* 87.5 Std 3.701 6.092 - - Dish 8.8-1 .827 3
Metric K011M880B $599* 88.0 20 94mm 154.75mm - - Dish 8.8-1 21mm 3

Inches K011M875C $599* 87.5 Std 3.701 6.092 - - Dish 11-1 .827 3
Metric K011M880C $599* 88.0 20 94mm 154.75mm - - Dish 11-1 21mm 3
  K011M885C $599* 88.5 40 same as piston above 3
* no coating, rings not included
 
Mazda/Ford Duratec 2.0L
K1 Rods Available   Optional K1 Rod for Ford Duratec Series: Part # 011BL16576
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K628M875 $537 87.50/
3.445
Std. 3.268 5.758 1.122 42 -23cc 7.9 .827 1, 3
Metric K628M88 $537 88.0/
3.464
20 3.268 5.758 1.122 42 -23cc 7.9 21mm 1, 3
  K628M910A $499* 91.0 3.5mm 3.268 5.758 1.122 42 -24 7.9 21mm 1, 3

Inches K629M875 $537 87.50/
3.445
Std. 3.268 5.758 1.122 42 -7cc 10 .827 1, 3
Metric K629M88 $537 88.0/
3.464
20 3.268 5.758 1.122 42 -7cc 10 21mm 1, 3

  K629M910B $499* 91.0 3.5mm 3.268 5.758 1.122 42 -2 11 21mm 1, 3

  K629M875C $499* 87.5 std 3.268 5.758 1.122 42 1.5 11.2 21mm 1, 3
  K629M890C $499* 89.0 1.5mm 3.268 5.758 1.122 42 0.5 11.2 21mm 1, 3
  K629M910C $499* 91.0 3.5mm 3.268 5.758 1.122 42 0.5 11.2 21mm 1, 3

  K629M880D $499* 88.0 20 3.268 5.758 1.122 42 1.5 11.3 21mm 1, 3

  KE237M875 $499* 87.5 Std. 3.268 5.758 1.122 42 5.3 12.3 21mm 1, 3
  KE237M88 $499* 88.0 20 3.268 5.758 1.122 42 5.3 12.3 21mm 1, 3

  K629M875E $499* 87.5 std 3.268 5.758 1.122 42 7.8 12.5 21mm 1, 3

  K629M880F $499* 88.0 20 3.268 5.758 1.122 42 7.8 12.6 21mm 1, 3
* no coating, rings not included
 
Mazda/Ford Duratec MZR 2.3L (OE DISI Turbo) MazdaSpeed 3 / 6
K1 Rods Available   Optional K1 Rod for Mazda 2.3 DISI Turbo: Part # 028CF19151
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K640M875 $537 87.5/3.445 Std. 3.701 5.930 1.270 42 -13.3 9.8 .886 1
Metric K640M88 $537 88.0/3.464 20 94 150.75 32.25 42 -13.3 9.9 22.5mm 1

Inches K640M875B $499* 87.5/3.445 Std. 3.701 5.930 1.270 42 DISH 8.5-1 .886 1
Metric K640M88B $499* 88.0/3.464 20 94 150.75 32.25 42 DISH 8.5-1 22.5mm 1
* no coating, rings not included
 
Mazda 2.3L MZR (OE naturally aspirated), (Not Mazdaspeed 3 with 22.5mm pin)
K1 Rods Available   Optional K1 Rod for Mazda 2.3 Series: Part # 011BM16155
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K628M875 $537 87.5/3.445 Std. 3.701 6.092 1.122 42 -23cc 8.8 .817 1
Metric K628M880 $537 88.0/3.464 20 94 154.75 1.122 42 -23cc 8.8 21mm 1

Inches K629M875 $537 87.5/3.445 Std. 3.701 6.092 1.122 42 -7cc 11 .817 1
Metric K629M880 $537 88.0/3.464 20 94 154.75 1.122 42 -7cc 11 21mm 1

Inches KE257M875 $499* 87.5 std 3.701 6.092 1.122 42 0 12.5-1 .817 1, 3
Metric KE257M88 $499* 88.0 20 94 154.75 28.5 42 0 12.5-1 21mm 1, 3
* no coating, rings not included
 
Mazda/Ford Duratec 3.0 24V DOHC  2001+up
K1 Rods Available   Optional K1 Rods Available!
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K014M89A $699* 89 Std. 79.5 5.435 - - DISH 8.5:1 21mm 1, 3
  K014M895A $699* 89.5 .020 79.5 5.435 - - DISH 8.5:1 21mm 1, 3

Inches K014M89B $699* 89 Std. 79.5 5.435 - - F/T 9.2:1 21mm 1, 3
  K014M895B $699* 89.5 .020 79.5 5.435 - - F/T 9.2:1 21mm 1, 3
* no coating, rings not included
 
Mazda/Ford & Ford Focus Euro/Asia Duratec piston 1.8 1798cc DOHC
K1 Rods Available   Optional K1 Rods Available!
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K012M830 $499* 83.0 std 83.1 5.758 1.122 - DISH 8.2-8.5-1 21mm 3
Metric K012M835 $499* 83.5 .020 83.1 5.758 1.122 - DISH 8.2-8.5-1 21mm 3
  K012M840 $499* 84.0 .040 same as piston above 3
* no coating, rings not included
 
Mazda (Protégé, 323) 1999+up, 1.6 DOHC 16V (ZM engine code)
Piston # Price/
Set
Bore
MM/Inch
Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume
Comp Ratio Pin
Dia.
Notes Buy Now
Inches K013M780A $499* 78.0 Std 83.6mm - 1.222 - Dish 8.5-1 20mm 3
Metric K013M785A $499* 78.5 20 83.6mm - 1.222 - Dish 8.5-1 20mm 3
  K013M790A $499* 79.0 40 same as piston above 3

Inches K013M780B $499* 78.0 Std 83.6mm - 1.222 - F/T 10.5-1 20mm 3
Metric K013M785B $499* 78.5 20 83.6mm - 1.222 - F/T 10.5-1 20mm 3
  K013M790B $499* 79.0 40 same as piston above 3

Inches K013M780C $499* 78.0 Std 83.6mm - 1.222 - DOME 11.4-1 20mm 3
Metric K013M785C $499* 78.5 20 83.6mm - 1.222 - DOME 11.4-1 20mm 3
  K013M790C $499* 79.0 40 same as piston above 3
* no coating, rings not included
Notes:
* Non-coated, not supplied with rings (you can order RINGS separately here)
1
Most Wiseco Pistons have an offset pin. Pins must be offset same as OEM for quietest operation.
2 This piston is a flat top w/out valve pockets, to be used if verifying piston to valve and piston to head clearance.
3, B or * = Build to order (custom), 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.
A = Piston Rings need to be adjusted
B or *
= Will build to order (custom), Non-coated, not supplied with rings.
E = With valve pockets unline K557M series.
H = Based on Volvo rod 23mm. Ford OEM 21mm
R = Pin 20mm, OEM = 20.65mm (13/16)

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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