VW 1.8T 20v 9.5:1 (20mm Pin) Wossner Piston Kit

This Wössner forged piston kit is listed for A4, A6 & TT / GOLF GTI Mk4 1.8 20V Race Compression Turbo. Catalogue reference: K9271DA. Selected bore size: 81mm.

Key specifications

• Application: A4, A6 & TT / GOLF GTI Mk4 1.8 20V Race Compression Turbo
• Manufacturer: Audi; VW
• Engine code: APX / APY / BAM
• Year range: 1998–2006
• Catalogue reference: K9271DA
• Bore Size: 81mm
• Product type: Forged Piston Kits
• Kit Part Number: K9271A
• Stroke: 86.4mm
• Compression Height: 32.7mm
• OEM Comp Ratio: 8.9:1
• OEM Rod Length: 144mm
• Suits Wossner Con Rod: G0049
• Pin Size: 20mm
• Pin Part Number: WP061
• Clip Part Number: CW20
• Number of Rings: 3
• Cylinders: 4
• Valves Per Cylinder: 5
• Con Rod Length Centre-to-centre: 144mm
• Drawing number: 23807
• Piston number: K9271DA

Fitment note: Compare the application, engine code, selected option and listed dimensions with your engine before ordering. Contact TSR Performance if you need a fitment check.