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Product description
The Wiseco Piston Kit For Ski-Doo (BRP) Formula Deluxe 670 1999 +0.50 mm is part of the latest collection from Wiseco.
Features:
- 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 Fits cast iron bore cylinders. Kit Includes: • 1x Piston • 1x Ring Set #3091LK • 1x Wrist Pin #S631 • 1x Circlip Set #CW20
Specifications:
- Bore - Oversize Metric: +0.50 mm
- Bore - Oversize: +0.50 mm
- Bore Size: 78.50 mm
- Displacement: 677 cc
- Engine Type: 2-Stroke
- Model: Forged Series
- Piston Diameter Metric: 78.40 mm
- Piston Diameter: 78.40 mm
- Piston Material: 4032 Aluminum Alloy
- Product Name: Piston Kit
- Skirt Coating: ArmorGlide®
- Stroke Length: 70.00 mm
To fit:
- SKI-DOO (BRP) FORMULA DELUXE 670 1999 All Models
Manufacturer part number: 2379M07850
View all Wiseco. View all Parts and spares.

Wiseco is a renowned brand in motocross and enduro, specializing in high-performance parts. Their pistons, crankshafts, and engine parts are trusted by riders worldwide for durability and power enhancement. With a history of engineering excellence, Wiseco continues to provide top-notch products that push the limits of off-road motorcycle racing.
Product description
The Wiseco Piston Kit For Ski-Doo (BRP) Formula Deluxe 670 1999 +0.50 mm is part of the latest collection from Wiseco.
Features:
- 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 Fits cast iron bore cylinders. Kit Includes: • 1x Piston • 1x Ring Set #3091LK • 1x Wrist Pin #S631 • 1x Circlip Set #CW20
Specifications:
- Bore - Oversize Metric: +0.50 mm
- Bore - Oversize: +0.50 mm
- Bore Size: 78.50 mm
- Displacement: 677 cc
- Engine Type: 2-Stroke
- Model: Forged Series
- Piston Diameter Metric: 78.40 mm
- Piston Diameter: 78.40 mm
- Piston Material: 4032 Aluminum Alloy
- Product Name: Piston Kit
- Skirt Coating: ArmorGlide®
- Stroke Length: 70.00 mm
To fit:
- SKI-DOO (BRP) FORMULA DELUXE 670 1999 All Models
Manufacturer part number: 2379M07850
View all Wiseco. View all Parts and spares.

Wiseco is a renowned brand in motocross and enduro, specializing in high-performance parts. Their pistons, crankshafts, and engine parts are trusted by riders worldwide for durability and power enhancement. With a history of engineering excellence, Wiseco continues to provide top-notch products that push the limits of off-road motorcycle racing.































