Mahle - MHL930070509 - MS Piston Set for Audi S4 2.7L

81.50mm x 30.7mm CH, 86.4mm stroke,154mm rod,21mm pin,-7.2cc,295g,9.0CR, 4032 Coatings: Phosphate + Grafal + Hard Anodized top ring groove VW/Audi S4 2.7L

The Mahle MS piston set is designed for the Audi S4 2.7L application and features an 81.50 mm bore, 86.4 mm stroke, 154 mm rod length, and 21 mm pin diameter. This set uses 4032 alloy construction with a listed compression ratio of 9.0:1 and a piston weight of 295 g.

Performance-focused coatings include phosphate, Grafal, and a hard-anodized top ring groove. The pistons have a listed dish volume of -7.2 cc. This product is not CARB approved, and CARB acknowledgement is required. Prop 65 applies.

Key Features & Performance Benefits

• 4032 alloy construction for the specified piston application
• Hard-anodized top ring groove coating for the specified ring-groove design
• Phosphate and Grafal coatings as listed by the manufacturer
• 9.0:1 compression ratio and -7.2 cc dish volume

Key Product Specifications & Technical Data

• Brand: Mahle
• Part Number: MHL930070509
• Application: Audi S4 2.7L
• Bore: 81.50 mm
• Stroke: 86.4 mm
• Rod Length: 154 mm
• Pin Diameter: 21 mm
• Material: 4032 alloy

What's Included in the Box

One set of six Mahle MS pistons.

Fitment

Listed fitment: Audi S4 2.7L.

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1