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RIDER

ACCESSORIES

EYEWEAR

APPAREL

WATERCRAFT

ACCESSORIES

CARTS /

TRAILER PARTS

BODY / HULL

STEERING /

CONTROLS

PUMP /

DRIVELINE

IMPELLERS

CARBS /

INTAKE

ENGINE /

PISTONS

EXHAUST

ELECTRICAL

CHEMICALS

TOOLS

PROMOTIONAL

INDEX

225

LIGHTWEIGHT WRIST PINS

* Chromed for 4-Cycle use only

O.D.

Length WPS# List

10mm

1.295”

S-630 $16.90

12mm

1.2205”

S-563

16.90

12mm

1.221”

S-634

16.90

12mm

1.418”

S-595

16.90

12mm

1.5354”

S-538

16.90

13mm

1.535”

S-592

17.67

13mm

1.172”

S-671

17.67

14mm

1.437”

S-737

16.90

14mm

1.5098”

S-517

16.90

14mm

1.625”

S-288

16.90

14mm

1.733

S-593*

17.67

14mm

1.785”

S-485

16.90

14mm

1.860”

S-394

16.90

15mm

1.614”

S-467

16.90

15mm

1.752”

S-571

17.67

15mm

1.850”

S-668

16.90

15mm

1.850”

S-632

16.90

15mm

1.975”

S-525*

17.67

15mm

2.200”

S-522*

17.67

16mm

1.574”

S-677C 59.95

16mm

1.634”

S-686*

14.50

16mm

1.634”

S-686C 59.95

16mm

1.650”

S-742

44.50

16mm

1.749”

S-646*

17.95

16mm

1.750”

S-514

16.90

16mm

1.850”

S-270

16.90

16mm

1.965”

S-255

16.90

16mm

2.050”

S-256

16.90

16mm

2.175”

S-486

16.90

16mm

2.245”

S-271

16.90

16mm

2.300”

S-259

16.90

17mm

1.693”

S-532*

17.67

17mm

1.8181”

S-507

16.90

17mm

2.061”

S-533*

17.67

17mm

2.2343”

S-540

18.59

O.D.

Length WPS# List

17mm

2.430”

S-523*

17.67

17.46mm 2.933”

S-509

18.59

18mm

1.750”

S-759

44.50

18mm

1.752”

S-759C 59.95

18mm

1.850”

S-459

16.90

18mm

1.850”

S-600*

17.67

18mm

1.948”

S-482

16.90

18mm

2.0748”

S-477

16.90

18mm

2.1062”

S-508

16.90

18mm

2.165”

S-280

16.90

18mm

2.200”

S-257

16.90

18mm

2.244”

S-524*

14.50

18mm

2.244”

S-511

16.90

18mm

2.291”

S-484

16.90

18mm

2.300”

S-513

16.90

18mm

2.370”

S-343

16.90

18mm

2.475”

S-278

16.90

18mm

2.580”

S-277

16.90

18mm

1.8181”

S-506

16.95

19mm

1.771”

S-682C 59.95

19mm

1.985”

S-531*

17.95

19mm

1.985”

S-615*

17.67

19mm

1.987”

S-660

17.67

19mm

1.985”

S-660C 59.95

19mm

2.303”

S-475

14.50

19mm

2.500”

S-376

16.90

19mm

2.500”

S-597

17.67

19mm

2.500”

S-622

14.50

19.045

2.610”

S-479

18.59

19.9mm 2.358”

S-478

16.90

20mm

1.77”

S-675

18.84

20mm

1.987”

S-641*

14.50

20mm

2.002”

S-549*

14.50

20mm

2.185”

S-423

16.90

20mm

2.185”

S-553*

14.50

O.D.

Length WPS# List

20mm

2.362”

S-512

16.90

20mm

2.362”

S-520*

14.50

20mm

2.363”

S-631

16.90

20mm

2.559”

S-461

16.90

20mm

2.560”

S-650

16.90

20mm

2.933”

S-544

18.59

20mm

3.050”

S-392

16.90

20mm

3.228”

S-414

16.90

.7913

2.595”

S-521*

18.59

20.1mm 2.200”

S-530*

18.59

20.1mm 2.835”

S-535*

18.59

21mm

2.0019”

S-656

20.62

21mm

2.126”

S-527*

17.67

21mm

2.618”

S-568

16.90

21mm

2.7559”

S-529*

17.67

22mm

2.000”

S-550*

14.50

22mm

2.125”

S-419

16.90

22mm

2.250”

S-747

20.62

22mm

2.40”

S-694

16.90

22mm

2.500”

S-539

16.90

22mm

2.500”

S-417

20.62

22mm

2.500”

S-625

20.62

22mm

2.500”

S-710

20.62

22mm

2.501”

S-640

16.90

22mm

2.751”

S-662

17.67

22mm

3.225”

S-428

16.95

23mm

2.124”

S-591*

17.67

23mm

2.25”

S-724

14.50

23mm

2.50”

S-626

20.62

24mm

2.25”

S-657

20.62

24mm

2.5”

S-627

20.62

24mm

2.678”

S-598

17.67

24mm

2.678”

S-651

17.67

24mm

2.992”

S-493

18.59

All kits come with pistons, rings and

circlips. Wrist Pin is included when noted.

1) FORGED:

All Wiseco Pistons are

forged

from high silicon, low expansion aluminum

which offers superior strength, reduced weight,

improved heat transfer, and longer life.

2) ADVANCED MANUFACTURING

TECHNIQUES:

Diamond turned finish from

one of the many CNC computer controlled

turning centers guarantees you a perfect

finish with no size variation. Wiseco pistons

can be installed in any of today’s cylinder bore

compositions (cast iron, chrome, nikasil and

boron composite) with confidence.

3) OVERSIZE OPTIONS:

Wiseco’s wide

range of oversize pistons increase the life of

cast iron lined cylinders. With the availability of

replacement cylinder sleeves, chrome, nikasil

and boron composite cylinders can be resleeved

to accept Wiseco’s oversizes.

4) COMPUTERIZED:

Wiseco’s state-of-

the-art computerized manufacturing facility is

dedicated to supplying both the high-perfomance

racer and recreational enthusiast with the finest

forged piston available in today’s market place.

5) EASY AVAILABILITY:

Three WPS

warehouses offer you one of the largest Wiseco

inventories in the west. Our telephone sales staff

can verify availability at the time of your order.

Pistons that we don’t have in stock are rushed in

air freight and are available for shipment to you

within two to three working days.

WHY USE

FORGED

CAST

CAST

FORGED

Interwoven grain structure Random grain pattern

for superior strength

?

ENGINE / PISTONS