Mahle MS Piston Set For Audi S4 81.50mm Bore 86.4mm Stroke 154mm Rod 930070509

Mahle MS Piston Set For Audi S4 81.50mm Bore

The Mahle MS Piston Set is specifically designed for the Audi S4, featuring a bore size of 81.50mm, stroke of 86.4mm, and a rod length of 154mm. This high-quality piston set is perfect for DIY enthusiasts, tradies, and professional mechanics looking to enhance engine performance and reliability. Manufactured by Mahle, a trusted name in automotive components, this set ensures optimal fit and function in your Audi S4.

With a compression ratio of 9.0 and a -7cc volume, this piston set is engineered to provide improved efficiency and power output, making it an ideal choice for performance upgrades or engine rebuilds.

Key features

• Precision-engineered for Audi S4 compatibility.
• 81.50mm bore and 86.4mm stroke for optimal performance.
• Set of 6 pistons to complete your engine rebuild.
• 9.0 compression ratio for enhanced power delivery.
• Durable construction for long-lasting reliability.
• Easy installation for both DIY and professional mechanics.

Technical details

• Bore size: 81.50mm
• Stroke: 86.4mm
• Rod length: 154mm
• Pin size: 21mm
• Volume: -7cc
• Compression ratio: 9.0
• Set includes 6 pistons

Applications / fitment

This piston set is typically used in the Audi S4 for engine repairs, upgrades, or rebuilds.

• Passenger vehicles, specifically Audi S4 models.
• Performance engine builds for enhanced power and efficiency.
• Engine rebuild projects requiring high-quality components.
• Ideal for both professional workshops and DIY enthusiasts.

Why buy from Mick’s Gone Bush?

• Trusted Australian business focused on reliable power, auto-electrical, and service parts.
• Stock sourced from reputable distributors and brands.
• Practical support for trade, off-grid, and fleet customers.
• Clear shipping, warranty, and customer service.

Frequently asked questions

Is this piston set compatible with other Audi models?

This piston set is specifically designed for the Audi S4 and may not be compatible with other Audi models.

What is the compression ratio of the Mahle MS piston set?

The compression ratio of this piston set is 9.0, which helps in enhancing engine performance.

Can I install these pistons myself?

Yes, the Mahle MS piston set is designed for easy installation, making it suitable for both DIY enthusiasts and professional mechanics.

How many pistons are included in the set?

The set includes 6 pistons, providing everything needed for a complete engine rebuild.

What is the bore size of these pistons?

The bore size of the pistons is 81.50mm, optimising performance for the Audi S4 engine.