Supertech 81mm 32.7mm CH -4cc Dish 9.3:1 CR Piston - Set of 4 (Excl Rings) - VW / 1.8T / 20V / AEB

This is a complete, weight-matched set of 4 Supertech forged pistons for the VW 1.8T, forged from high-silicon 4032 aluminum alloy. Its low thermal expansion allows tight piston-to-wall clearances for quiet operation, excellent ring seal and long service life.

It runs a 4cc dish, giving a compression ratio of 9.3:1, and is CNC-machined, multi-stage heat-treated and skirt-coated for the VW 1.8T.

Key Features:

• Forged from high-silicon 4032 aluminum alloy for high strength and thermal stability
• 81mm bore (standard)
• Crown: 4cc dish
• Compression ratio: 9.3:1
• 32.7mm compression height
• 20mm wrist pin
• Ring pack: 1, 1.2, 2.8mm
• Phosphate dry-lubricant skirt coating; CNC-machined and multi-stage heat-treated
• Matched, weight-balanced set of 4
• Note: 2000+ 1.8T 20V 06A Require Aftermarket Connecting Rods with non-tapered 20mm Wrist Pin.

Applications:

Built for boosted and high-RPM VW 1.8T applications. The 4032 forging balances strength with tight, quiet running clearances. Pair with matched Supertech rings, wrist pins and connecting rods for a complete rotating assembly.

Technical Specifications:

Fitment:

• Audi and VW 1.8T engines, including AEB

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