In warehouse stock

Wiseco Piston Kit — 73.50 mm — 503 Engine Type — Ski Doo

Wiseco · #0903-1190 · Top End / Engine

Forged from high-silicon alloy for maximum strength and dependability
Wiseco offers a complete range of popular piston models and years for both trail and racing applications
Kit includes piston, rings, circlips and wrist pin

$359.95

In stock. Ships in 2–4 business days · free shipping over $150.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

Description & features3 features

Fits cast iron bore cylinder.

Forged from high-silicon alloy for maximum strength and dependability
Wiseco offers a complete range of popular piston models and years for both trail and racing applications
Kit includes piston, rings, circlips and wrist pin

Specifications15 specs

Engine Type: 2-Stroke
Bore - Oversize: +1.50 mm, +1,50 mm
Cooling System: Fan Cooled
Model: Pro-Lite
Piston Diameter: 73.40 mm
Skirt Coating: ArmorGlide®
Units: Kit
Bore Size: 72.00 mm
Displacement: 511 cc
Riding Style: Snow
Piston Material: 4032 Aluminum Alloy
Stroke Length: 61.00 mm
Shipping weight: 2.25 lb
Package size: 13.9 × 8.6 × 4.5 in
Country of origin: USA

Fitment25 models · Ski-Doo

Ski-Doo25 models

Alpine 1983, 1985–1987
Alpine 5001984, 1988–1989
Alpine 5081990
Alpine II1994
Blizzard 55001979–1981
Blizzard 5500 MX1979–1984
Cheyenne1991
Cheyenne 5001990
Cheyenne R1989–1991
Escapade1987–1989
Everest 5001980–1983
Everest 500E1980–1983
Formula 500 SL1996–1999
Formula Deluxe 5002001
Formula Deluxe 500 Fan1999–2001
MX Z 500 Fan2001–2002
Safari 5031986–1994
Skandic 5001987, 1996–2002
Skandic 500 F SWT1996
Skandic 500 Sport2003
Skandic 500 SWT1997–2003
Touring 500 F Cargo2001
Touring 500 Fan2001
Touring LE1995–1999
Touring SLE1995–1999, 2001

Fitment comes from the distributor’s catalog. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: 0903-1190
Wiseco part #: SK1210

Shipping

In stock at a distributor warehouse. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.

Questions4 answers

Is it in stock?: Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: The distributor lists it for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine Wiseco?: Yes. It ships new from the same distributors the big online stores buy from — Wiseco part #SK1210.