Wossner Piston Kits Anodize Crown for '17-22 Harley Davidson M8 Engines

Wossner Piston Kits Anodize Crown for '17-Up Harley Davidson M8 Engines

Wossner piston kits feature a hardcoat anodized treatment that enhances the piston's abilities to manage heat and wear. Each kit includes piston, piston rings, piston pin and retaining clips.

With over 25 years of high-performance piston and connecting rod manufacturing experience, Wössner is committed to bringing the most accurately machined forged pistons and connecting rods to market. With its technologically advanced CNC manufacturing centers, Wössner has quick manufacturing times for prototypes. In turn, this allows Wössner to be first-to-market and ensures that a high-quality manufactured part is produced each time with repeatable performance and quality control. Wössner customers benefit from the company's many years of experience combined with the flexibility of a family-owned and operated business. Wössner's goal is to achieve increased performance, high quality, and greater longevity with its products. That's the Wössner Way.

• Crown is anodized to improve resistance to extreme heat
• Tested and proven to improve thermal diffusivity by up to 10%
• Ring groove wear is improved with anodize treatment ability to handle sliding wear as compared to non-treated surfaces

Valve Pocket Specifications:

• Intake Diameter: 1.780"
• Intake Depth: 0.200"
• Intake Angle: 27.000°
• Exhaust Diameter: 1.780"
• Exhaust Depth: 0.200"
• Exhaust Angle: 27.000

4.375" Stroke - 107 CID - M8 [SKU# 0910-6681]
Model Premium Plus Series
Bore Size 3.937"
Piston Size 3.934"
Compression Ratio 11.0:1
Displacement 107"
Stroke Length 4.375"

4.375" Stroke - 117 CID - M8 [SKU# 0910-6683]
Type Big Bore
Model Premium Plus Series
Bore Size 4.125"
Piston Size 4.122"
Compression Ratio 11.0:1
Displacement 117"
Stroke Length 4.375"

CVO MODELS

4.500" Stroke - 114 CID - M8 CVO [SKU# 0910-6682]
Model Premium Plus Series
Bore Size 4.016"
Piston Size 4.013"
Compression Ratio 11.0:1
Displacement 114"
Stroke Length 4.500"

4.500" Stroke - 120 CID - M8 CVO [SKU# 0910-6685]
Type Big Bore
Model Premium Plus Series
Bore Size 4.125"
Piston Size 4.122"
Compression Ratio 11.0:1
Displacement 120"
Stroke Length 4.500"

Fitments
2022 Harley-Davidson CVO Road Glide Limited 
2020-2022 Harley-Davidson CVO Tri Glide FLHTCUTGSE 
2018-2022 Harley-Davidson CVO Road Glide Custom FLTRXSE 
2017-2022 Harley-Davidson CVO Street Glide FLHXSE 
2017-2021 Harley-Davidson CVO Electra Glide Ultra Limited FLHTKSE