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Wiseco Pistons

K1 Rods Available
optional parts
Wherever you see the K1 logo, it means there is are optional K1 rods available for your application.		 Wiseco Pistons - Acura/Honda
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 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 $89
6 Cyl $129
Rings purchased alone:
Rings: Price/Set Buy Now Rings: Price/Set Buy Now
4 Cyl $109
6 Cyl $149
 
ACURA Integra '94-'01 (B18C)
Series# Bore
MM/Inch		 Over
sizes		 Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp
Ratio		 Pin
Dia.		 Notes Buy Now
Inches K541M81
$526		 81.00/3.189 std. 3.433 5.433 1.181 41.5 -12 8.6-8.9 .827 1
Metric K541M815
$526		 81.50/3.209 .020 87.2 138 30 41.5 -12 8.6-8.9 21mm 1
  K541M82
$526		 82.00/3.228 .040 Same as pistons above 1
Inches K542M81
$526		 81.00/3.189 std. 3.433 5.433 1.175 41.5 -4 FT 9.7-10.2 .827 1
Metric K542M815
$526		 81.50/3.209 .020 87.2mm - - 41.5 -4 FT 9.7-10.2 21mm 1
  K542M82
$526		 82.00/3.228 .040 Same as pistons above 1
Inches K566M81
$526		 81.00/3.189 std. 3.433 5.433 1.185 41.5 5 11.8-12.25 .827 1
Metric K566M815
$526		 81.50/3.209 .020 87.2mm 138 30 41.5 5 11.8-12.25 21mm 1
  K566M82
$526		 82.00/3.228 .040 Same as pistons above 1
Inches K593M81
$540		 81.00/3.189 std. 3.433 5.433 1.185 41.5 8.25 12.5-13.2 .827 1

Metric K593M815
$540		 81.50/3.209 .020 87.2mm 138 30 41.5 8.25 12.5-13.2 21mm 1

  K593M82
$540		 82.00/3.228 .040 Same as pistons above 1

K1 Rods Available   Optional K1 Rods Available!
 
 ACURA Integra 1990-00  (B18A1/B1)
Series # Bore
MM/Inch		 Over
sizes		 Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp
Ratio		 Pin
Dia.		 Notes Buy Now
Inches K541M81
$526		 81.00/3.189 std. 3.504 5.394 1.181 45 -12 8.3-8.6 .827 1
Metric K541M815
$526		 81.50/3.209 .020 89 137 30 45 -12 8.3-8.6 21mm 1
  K541M82
$526		 81.50/3.209 .020 Same as above 1

Inches K542M81
$526		 81.00/3.189 std. 3.504 5.394 1.175 45 -4 FT 9.3-9.8 .827 1
Metric K542M815
$526		 81.50/3.209 .020 89 137 29.85 45 -4 FT 9.3-9.8 21mm 1
  K542M82
$526		 81.50/3.209 .020 Same as above 1
Inches K566M81
$526		 81.00/3.189 std. 3.504 5.394 1.185 45 5 11.1-11.6 .827 1
Metric K566M815
$526		 81.50/3.209 .020 89 137 30.1 45 5 11.1-11.6 21mm 1

  K566M82
$526		 82.00/3.228 .040 Same as above 1

Inches K593M81
$540		 81.00/3.189 std. 3.504 5.394 1.185 45 8.25 11.8-12.4 .827 1

Metric K593M815
$540		 81.50/3.209 .020 89 137 30.1 45 8.25 11.8-12.4 21mm 1

  K593M82
$540		 82.00/3.228 .040 Same as above 1

K1 Rods Available   Optional K1 Rods Available!
 
ACURA Integra GSR 1992-93  (B17A1)
Series # Bore
MM/Inch		 Over
sizes		 Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp
Ratio		 Pin
Dia.		 Notes Buy Now
Inches K542M81
$526		 81.00/3.189 std. 3.205 5.208 1.175 42.7 -4 FT 9.1-9.4 .827 1
Metric K542M815
$526		 81.50/3.209 .020 81.4 132 29.9 42.7 -4 FT 9.1-9.4 21mm 1
  K542M82
$526		 82.00/3.228 .040 same as above 1
Inches K566M81
$526		 81.00/3.189 std. 3.205 5.208 1.185 42.7 5 10.9-11.25 .827 1

Metric K566M815
$526		 81.50/3.209 .020 81.4 132 30.1 42.7 5 10.9-11.25 21mm 1

  K566M82
$526		 82.00/3.228 .040 same as above 1

Inches K593M81
$540		 81.00/3.189 std. 3.205 5.208 1.185 42.7 8.25 11.8-12 .827 1
Metric K593M815
$540		 81.50/3.209 .020 81.4 132 30.1 42.7 8.25 11.8-12 21mm 1
  K593M82
$540		 82.00/3.228 .040 same as above 1
ACURA RSX-S 2002-06 K20  (Now with deeper and larger valve pockets)
Series # Bore
MM/Inch		 Over
sizes		 Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp
Ratio		 Pin
Dia.		 Notes Buy Now
Inches K568M86
$526		 86.00/3.386 std. 3.386 5.472 1.181 50.5 -9 9.0:1 .866 1
Metric K568M865
$526		 86.50/3.405 .020 86 139 30 50.5 -9 9.0:1 22mm 1
  K568M87
$526		 87.00/3.425 .040 same as above 1
  K568M875
$526		 87.50 / 3.445 .060 1
  K568M88
$526		 88.00/3.464 .080 1

  K568M89
$526		 89.00/3.504 .120 1
Inches K631M86
$459		 86.00/3.386 std 3.386 5.472 1.181 50.5 -3.5 FT 9.8 .866 1
Metric K631M865
$459		 87.00/3.425 .040 86 139 30 50.5 -3.5 FT  9.8 22mm 1
  K631M87
$459		 88.00/3.464 .080 same as above 1
  K631M875
$459		 89.00/3.504 .120 1
Inches K634M87
$526		 87.00/3.425 .040 3.386 5.472 1.181 50.5 5 11.0 .866 1
Metric K634M875
$526		 87.50/3.445 .060 86 139 30 50.5 5 11.0 22mm 1
  K634M89
$526		 89.00/3.504 .120 same as above 1
  K634M895
$526		 89.50/3.524 .140 1
Inches K573M86
$526		 86.00/3.386 std. 3.386 5.472 1.181 50.5 8 11.7 .866 1
  K573M865
$526		 86.50/3.405 .020 86 139 30 50.5 8 11.7 22mm 1
Metric K573M87
$526		 87.00/3.425 .040 same as above 1
  K573M875
$526		 87.50 / 3.445 .060 1
  K573M88
$526		 88.00/3.464 .080 1
  K573M89
$526		 89.00/3.504 .120 1
Acura/Honda K24 with K20 or K24 head  (Now with deeper and larger valve pockets)
Series # Bore
MM/Inch		 Over
sizes		 Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp
Ratio		 Pin
Dia.		 Notes Buy Now
Inches K622M87
$526		 87.00/3.425 std. 3.897 5.984 1.181 50.5 -21 8.8 .866 1
Metric K622M875
$526		 87.50/3.445 .020 99 152 30 50.5 -21 8.8 22mm 1
  K622M88
$526		 88.00/3.464 .040 99 152 30 50.5 -21 8.8 22mm 1
Inches K568M87
$526		 87.00/3.425 std. 3.897 5.984 1.181 50.5 -9 10.2 .866 1

Metric K568M875
$526		 87.50/3.445 .020 99 152 30 50.5 -9 10.2 22mm 1
  K568M88
$526		 88.00/3.464 .040 99 152 30 50.5 -9 10.2 22mm 1

  K568M89
$526		 89.00/3.504 .060 99 152 30 50.5 -9 10.2 22mm 1

Inches K631M87
$459		 87.00/3.425 std 3.897 5.984 1.181 50.5 -3.5 FT 11.1 .866 1
Metric K631M875
$459		 87.50/3.445 .020 99 152 30 50.5 -3.5 FT  11.1 22mm 1
Inches K634M87
$526		 87.00/3.425 Std 3.897 5.984 1.181 50.5 5 12.5 .866 1
Metric K634M875
$526		 87.50/3.445 .020 99 152 30 50.5 5 12.5 22mm 1
  K634M89
$526		 89.00/3.504 .060 99 152 30 50.5 5 12.5 22mm 1
  K634M895
$526		 89.50/3.524 .080 99 152 30 50.5 5 12.5 22mm 1
Inches K573M87
$526		 87.00/3.425 std 3.897 5.984 1.181 50.5 8 13.7 .866 1

Metric K573M875
$526		 87.50/3.445 .020 99 152 30 50.5 8 13.7 22mm 1
  K573M88
$526		 88.00/3.464 .040 99 152 30 50.5 8 13.7 22mm 1

  K573M89
$526		 89.00/3.504 .080 99 152 30 50.5 8 13.7 22mm 1

HONDA Civic SI 1993-01 (B16A). Must use at least .040" thick gasket.
Series # Bore
MM/Inch		 Over
sizes		 Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp
Ratio		 Pin
Dia.		 Notes Buy Now
Inches K542M81
$410		 81.00/3.189 STD 3.047 5.290 1.175 42.7 FT -4 8.8-9.0 .827 1
Metric K542M815
$410		 81.50/3.209 .020 77.4 134 29.9 42.7 FT -4 8.8-9.0 21mm 1
  K542M812
$410		 82.00/3.228 .040 same as above 1

Inches K566M81
$426		 81.00/3.189 STD 3.047 5.290 1.185 42.7 5 10.75:1 .827 1

Metric K566M815
$426		 81.50/3.209 .020 77.4 134 30.1 42.7 5 10.75:1 21mm 1

  K566M82
$426		 82.00/3.228 .040 same as above 1

Inches K593M81
$540		 81.00/3.189 STD 3.047 5.290 1.185 42.7 8.25 11.5:1 .827 1
Metric K593M815
$540		 81.50/3.209 .020 77.4 134 30.1 42.7 8.25 11.5:1 21mm 1
  K593M82
$540		 82.00/3.228 .040 same as above 1
HONDA CRV/VTEC 1972-02 (B20B w/B16A Head)
Series # Bore
MM/Inch		 Over
sizes		 Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp
Ratio		 Pin
Dia.		 Notes Buy Now
Inches K545M84
$526		 84.00/3.307 Std. 3.504 5.394 1.181 42.7 -18 8.4-8.8 .827 1
Metric K545M845
$526		 84.50/3.327 .020 89 137 30 42.7 -18 8.4-8.8 21mm 1
  K545M85
$526		 85.00/3.347 .040 same as above 1
Inches K623M84
$510		 84.00/3.307 Std. 3.504 5.394 1.181 42.7 -3 F/T 10.4-10.9 .827 1
Metric K623M845
$510		 84.50/3.327 .020 89 137 30 42.7 -3 F/T 10.4-10.9 21mm 1
Inches K567M84
$540		 84.00/3.307 Std. 3.504 5.394 1.181 42.7 2 11.3-12.0 .827 1

Metric K567M845
$540		 84.50/3.327 .020 89 137 30 42.7 2 11.3-12.0 21m 1

  K567M85
$540		 85.00/3.346 .040 same as above 1

Inches K594M84
$540		 84.00/3.307 Std. 3.504 5.394 1.181 42.7 8.25 13.2-14.2 .827 1
Metric K594M845
$540		 84.50/3.327 .020 89 137 30 42.7 8.25 13.2-14.2 21m 1
  K594M85
$540		 85.00/3.346 .040 same as above 1

  K594M855
$540		 85.50/3.366 .060 1

  K594M86
$540		 86.00/3.386 .080 1
HONDA Prelude 1992-01 H22  (96+up FRM cylinders MUST run SLEEVED bores)
Series # Bore
MM/Inch		 Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp Ratio Pin
Dia.		 Notes Buy Now
Inches K544M87
$526		 87.00/3.425 Std. 3.571 5.636 1.219 53.8 -14 8.5 .866 1
Metric K544M88
$526		 88.00/3.464 .040 90.7 143 31 53.8 -14 8.5 22mm 1
  K544M89
$526		 89.0/3.504 .080 same as above 1
Inches K572M87
$540		 87.00/3.425 Std. 3571 5.363 1.219 53.8 7 11.5 .866 1
Metric K572M88
$540		 88.00/3.464 .040 90.7 143 31 53.8 7 11.5 22mm 1
  K572M89
$540		 89.00/3.504 .080 same as above 1
K1 Rods Available   Optional K1 Rods Available!
HONDA Prelude H23  (To be run with .030" piston to head minimum, requires .040" gasket minimum)
Series # Bore
MM/Inch		 Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp Ratio Pin
Dia.		 Notes Buy Now
Inches K544M87
$526		 87.00/3.425 Std. 3.740 5.571 1.219 50 -14 9.3 .866 1

Metric K544M88
$526		 88.00/3.464 .040 95 141.5 31 50 -14 9.3 22mm 1

  K544M89
$526		 89.0/3.504 .080 same as above 1

Inches K572M87
$540		 87.00/3.425 Std. 3.740 5.571 1.219 50 7 13.0 .866 1

Metric K572M88
$540		 88.00/3.464 .040 95 141.5 31 50 7 13.0 22mm 1

  K572M89
$540		 89.00/3.504 .080 same as above 1

HONDA Civic SOHC 1992+ D16Z6, D16Y7
Series # Bore
MM/Inch		 Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp Ratio Pin
Dia.		 Notes Buy Now
Inches K546M755
$526		 75.50/2.972 .020 3.543 5.394 1.174 34.6 -15.4 8.5:1 .748 1
Metric - 75.50/2.972 .5mm 90 137 29.8 34.6 -15.4 8.5:1 19mm 1  
HONDA Civic SOHC 1996-00 (D16Y8)
Series # Bore
MM/Inch		 Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp Ratio Pin
Dia.		 Notes Buy Now
Inches K543M75
$526		 75.00/2.953 std 3.543 5.394 1.148 32.8 -14 8.5-9.0 .748 1
Metric K543M755
$526		 75.50/2.972 .020 3.543 5.394 1.148 32.8 -14 8.5-9.0 19mm 1
Acura/Honda S2000 2002 F20C 2.0L  ('00-03 USDM,  00-05 JDM)
Series # Bore
MM/Inch		 Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp Ratio Pin
Dia.		 Notes Buy Now
Inches E540M870A
$479*		 87.0 Std. 84mm 6.023 1.171 52.5 - 8.8 22mm 3
Metric E540M875A
$479*		 87.5 20 84mm 6.023 1.171 52.5 - 8.8 22mm 3
Inches E540M870B
$479*		 87.0 Std. 84mm 6.023 1.171 52.5 - 10-1 22mm 3
Metric E540M875B
$479*		 87.5 20 84mm 6.023 1.171 52.5 - 10-1 22mm 3
Inches E540M870C
$479*		 87.0 Std. 84mm 6.023 1.141 52.5 Dome 13-1 23mm 3
Metric E540M875C
$479*		 87.5 20 84mm 6.023 1.141 52.5 Dome 13-1 23mm 3
  E540M880C
$479*		 88.0 40 84mm 6.023 1.141 52.5 Dome 13-1 23mm 3
* Non-coated, not supplied with rings.
 
Acura/Honda S2000 F22C 2004+up USDM 2006 JDM 2.2L
Series # Bore
MM/Inch		 Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp Ratio Pin
Dia.		 Notes Buy Now
Inches E541M870A
$479*		 87.0 Std. 3.573 5.892 1.171 52.5 - 8.8 22mm 3
Metric E541M875A
$479*		 87.5 20 3.573 5.892 1.171 52.5 - 8.8 22mm 3
Inches E541M870B
$479*		 87.0 Std. 3.573 5.892 1.171 52.5 - 10-1 22mm 3
Metric E541M875B
$479*		 87.5 20 3.573 5.892 1.171 52.5 - 10-1 22mm 3
Inches E541M870C
$479*		 87.0 Std. 3.573 5.892 1.171 52.5 Dome 13-1 22mm 3
Metric E541M875C
$479*		 87.5 20 3.573 5.892 1.171 52.5 Dome 13-1 22mm 3
  E541M880C
$479*		 88.0 40 3.573 5.892 1.171 52.5 Dome 13-1 22mm 3
* Non-coated, not supplied with rings.
S2000 F20 and F22 (FRM Cylinders must run SLEEVED bores)
IMPORTANT:  F20 in 8.5 CR ONLY and F22 in 9.0 CR ONLY !!!
  Kit Part # Bore mm / Inch Over Sizes Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp. Ratio Pin Dia. Notes Buy  Now
Inches K632M87
$526		 87.00 / 3.425 Std. 3.307 6.023 1.141 52.5 -10 8.5 .9055 1,2
(F20)
Metric K632M875
$526		 87.50/ 3.445 .020 84 153 28.98 52.5 -10 8.5 23mm 1,2
(F20)
  K632M89
$526		 89.00 / 3.504 .080 84 153 28.98 52.5 -10 8.5 23mm 1,2
(F20)
Inches K632M87
$526		 87.00 / 3.425 Std. 3.573 5.892 1.141 52.5 -10 9.0 .9055 1,2
(F22)
Metric K632M875
$526		 87.50/ 3.445 .020 90.75 149.65 28.98 52.5 -10 9.0 23mm 1,2
(F22)
  K632M89
$526		 89.00 / 3.504 .080 90.75 149.65 28.98 52.5 -10 9.0 23mm 1,2
(F22)
 
Acura/Honda B20 VTEC w/B16A Heads
Series # Bore
MM/Inch		 Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp Ratio Pin
Dia.		 Notes Buy Now
Inches K623M84
$510		 84.0 Std. - - 1.181 - Flat Top - - 1
Metric K623M845
$510		 84.5 20 - - 1.181 - Flat Top - - 1
 
Honda Civic D17 2000-05
Series # Bore
MM/Inch		 Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp Ratio Pin
Dia.		 Notes Buy Now
Inches K624M75A
$526		 75.0 Std. 3.716 5.394 1.063 33.5 -14cc 8.8:1 .748 1
Metric K624M755A
$526		 75.5 20 94.4 137 27 33.5 -14cc 8.8:1 19mm 1
Inches K624M75B
$479*		 75.0 Std. 3.716 5.394 1.063 33.5 F/T 10.6:1 .748 1
Metric K624M755B
$479*		 75.5 20 94.4 137 27 33.5 F/T 10.6:1 19mm 1
* Non-coated, not supplied with rings.
K1 Rods Available   Optional K1 Rods Available!
Honda L15A 1.5L
Series # Bore
MM/Inch		 Oversizes Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp Ratio Pin
Dia.		 Notes Buy Now
Inches K637M73
$526		 73.00/2.874 - 3.520 - 1.383 - -11.5 9.8 .709 1
Metric   - - - - - - - - 18mm 1
 
Honda/Acura Odyssey, Shuttle, MRV, Pilot, MDX V6 3.5L
  Kit Part # Bore mm / Inch Over Sizes Stroke Rod C.H. Head cc's Dome/Dish
Volume		 Comp. Ratio Pin Dia. Notes Buy  Now
Inches K045M890A
$619*		 89.00 Std. 93mm - - - DISH 9.5:1 22mm 1, 3
Metric K045M895A
$619*		 89.50 .020 93mm - - - DISH 9.5:1 22mm 1, 3
  K045M900A
$619*		 90.00 .080 93mm - - - DISH 9.5:1 22mm 1, 3
Inches K045M890B
$619*		 89.00 Std. 93mm - - - DISH 10:1 22mm 1, 3
Metric K045M895B
$619*		 89.50 .020 93mm - - - DISH 10:1 22mm 1, 3
  K045M900B
$619*		 90.00 .080 93mm - - - DISH 10:1 22mm 1, 3
Inches K045M890C
$619*		 89.00 Std. 93mm - - - F/T 10.4:1 22mm 1, 3
Metric K045M895C
$619*		 89.50 .020 93mm - - - F/T 10.4:1 22mm 1, 3
  K045M900C
$619*		 90.00 .080 93mm - - - F/T 10.4:1 22mm 1, 3
* Non-coated, not supplied with rings.
 
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.
Sales/Tech Line: (603) 378-0090
Email: info@ImportPerformanceParts.net

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