ENGINE
HIGH-PERFORMANCE PISTONS
Forged from high-silicon aluminum alloy for maximum strength
and dependability
Wiseco offers a complete range of popular piston models and years for
both trail and racing applications
WISECO FEATURES PRO-LITE PISTONS
4-STROKE RACER’S CHOICE PISTONS
Durability, longevity and increased horsepower
Now you can own the same race parts as all the top race teams
Innovative forging design and piston skirt provide maximum
These high-tech piston designs offer maximum compression ratios,
horsepower and torque
ultra-stiff strutted forgings, and titanium nitride-coated rings, which all
add up to more power that is sustained longer
PK PISTON AND GASKET KITS
When blow-by starts to increase on other pistons and power starts to
Contain all the necessary components for overboring or rebuilding
fade, Wiseco Race Series parts continue sealing and performing
your top end
NOTE: Service intervals may be increased with Racer’s Choice pistons over
Feature forged pistons, rings, wrist pins, circlips and top end gasket set
conventional Wiseco pistons, and are for expert racers and tuners only.
Cylinder sleeves must be purchased separately
See price list on page 589-591
Formula for computing cubic centimeter displacement
WISECO PISTON PRICING
D = Bore Size in Inches; S = Stroke in Inches;
Number = Number of Cylinders
All Wiseco High-Performance Motorcycle Pistons are priced with rings
D(2) x .7854 x S x N x 16.387 = CC Displacement
and circlips; see price list on page 589-591
WRIST PINS
CIRCLIPS
TOP END BEARINGS
REPLACEMENT
Wiseco wrist pins are strong,
Two high-strength, easy-to-install
High-quality bearings are
RING SETS
lightweight and can be used
circlips furnished with
manufactured to the highest
Each ring set is for one piston
with OEM pistons, too
every piston
standards; case-hardened for
See Wiseco ring buyer’s guide
Wiseco 2-stroke pistons include
Order additional inventory from
maximum life and smooth
for details
a wrist pin unless indicated
the chart below
operation at high engine speeds
See price list on page 591
See price list on page 591
See price list on page 591
See price list on page 591
NOTE: Wiseco rings fit only Wiseco pistons.
STOCK BORE BORE
TOP-END
X STROKE
SIZE
OVERIZE DISPLACEMENT COMPRESSION PISTON
PK KIT
RING SET
CIRCLIP WRIST PIN BEARING
FITS MODEL
(MM)
(MM)
(MM)
(CC)
RATIO
PART #
PART #
PART #
PART # PART #
PART #
ARCTIC CAT
400 DVX 04-08
90 x 62.6
90.0
STD
398
12.2:1
4713M09000
-
-
CW20
-
-
Nikasil Bore – cylinder sleeving
92.0
2.0
4713M09200
-
-
or replating required for oversizes
400 DVX 04-08
90 x 62.6
90.0
STD
398
13.5:1
4714M09000
-
-
CW20
-
-
Nikasil Bore – cylinder sleeving
or replating required for oversizes
400 DVX 04-08
94.5 x 62.6
94.5
4.5
440
12.5:1
0910-0768
-
-
CW20
-
-
ArmorGlide skirt coated
Nikasil Bore – cylinder sleeving
or big bore cylinder required
ATV 550 Limited 09-13
Core 09-13, TRV 09-13
92 x 82
92.0
STD
545
Stock
0910-4173
-
-
-
-
-
Prowler XT 09-13, Cruiser 09-13
GT Models 09-13
ArmorGlide skirt coated
ATV 650 H1, Mud Pro 05-12
98 x 85
98.0
STD
641
Stock
0910-4168
-
-
-
-
-
Prowler 06-09
ArmorGlide coated skirt
700 HI 08-11, Prowler XTX/XT/ HDX 08-16,
102 x 85
102.0
STD
700
11.5:1
0910-3170
-
-
-
-
-
700 TRV 09-15, 700 GT 12,
700 Mud Pro 12-15,
700 TBX 13-15, 700 LTD/XT 13-14,
700 XR 15, 700 HDX 16-17
ArmorGlide coated skirt
Thundercat 1000 09-10
92 x 71.6
92.0
STD
1000
12.5:1
0910-3171
-
-
-
-
-
TRV1000 09-13
Mud Pro 1000 10-14
Prowler 1000 10-14
Wildcat 1000 12-14
12.5:1 High Compression
ArmorGlide coated skirt
HIGH-PERFORMANCE PISTONS continued on next page.
2017 PARTS UNLIMITED ATV/UTV