Ski-Doo Nordik 377 cc .040 Over Pistons Pair for Ski-Doo 1982-1984 Snowmobile

.040 Over Pistons - Pair for Ski-Doo Nordik 377 cc

These .040 over pistons for Ski-Doo Nordik 377 cc snowmobiles from 1982-1984 replace worn or damaged stock pistons to restore cylinder bore fit and engine compression.

Overview

These .040 over pistons for Ski-Doo Nordik 377 cc machines are sized to fit cylinders that have been bored oversize during a top-end rebuild. The pair works for owners refreshing a vintage 377 cc twin that has lost compression, scored a piston, or needs a fresh bore after a seize. Sold as a matched pair for the Nordik 377 cc produced from 1982 through 1984.

Built For Performance

• .040 inch oversize bore size for use with rebored cylinders
• Sold as a matched pair for the 377 cc twin engine
• Suited to top-end rebuilds after cylinder boring or honing
• Replaces worn or scored stock pistons to help restore compression
• Designed around the Ski-Doo Nordik 377 cc engine

Fits These Machines

• for Ski-Doo Nordik 377 cc, 1982
• for Ski-Doo Nordik 377 cc, 1983
• for Ski-Doo Nordik 377 cc, 1984

On-The-Job Use

• Top-end rebuilds on vintage Nordik 377 cc sleds
• Bore and hone jobs that require oversize pistons
• Refreshing engines after a cold seize or piston scoring
• Restoration work on early 1980s Ski-Doo models

Specs At A Glance

Good To Know

Q: Do I need to bore my cylinders before installing these pistons? A: Yes, .040 over pistons require the cylinders to be bored and honed to the matching oversize to achieve correct piston to wall clearance.

Q: How many pistons come with this order? A: This listing supplies a pair of pistons, which covers both cylinders on the 377 cc twin engine.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.