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PROMOTIONAL

REFERENCE

INDEX

338

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-performance 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 available. 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

FORGED

Interwoven grain structure

Random grain pattern

for superior strength

Note: Some piston kits change displacement, compression ratio, etc. and may be illegal for use on pollution controlled

vehicles, check your local laws before installation.

Note: Replacement Rings and Circlips sold per piston

Continued on the next page

Piston Kits

Replacement

Application

Year

Disp.

Bore Size Stroke WPS # List

Piston

Rear

Piston Ring Set

Circlips &

Wrist Pin

HARLEY-DAVIDSON®

883 Evo Sportster®

‘86-16 73 1200 3.498”/Std 3.812”

K1655 $320.00 4718PS

3497X W5731

1200cc Big Bore Comp 9.5:1

1207 3.508”/.010

K1656 320.00 4718P1

3507X S-530

Cylinder Boring Required

1214 3.518”/.020

K1657 320.00 4718P2

3517X

No cylinder head modification required

1221 3.528”/.030

K1658 320.00 4718P3

‘08-Up models must use Sportster

1228 3.538”/.040

K1659 320.00 4718P4

1200cc cylinders

ArmorGlideTM skirt coated

Gasket Kit, Big Bore (Required)

‘86-87

W5911 $130.83

‘88-90

W5912 130.83

‘91-03

W5918 130.83

‘04-16

W6378 130.83

883 Evo Sportster