Mahle Motorsport Forged Pistons ST225


SKU: N/A Category: Tag: Product ID: 7700


Mahle Motorsport Piston Set for Ford Focus ST225/RS and Volvo S60R.

Complete set of 5 pistons, includes all required pins, clips, etc.

83.5mm also available, please specify when ordering.

Simply the best-forged pistons for high-power Focus RS MK2 build – from the Motorsport division of the OE piston supplier. MAHLE Motorsport Forged Pistons for the Focus RS MK2 and Focus ST MK 2. Exclusive design for MAR Motorsport.

They feature a 8.5:1 compression ratio and hard anodized ring grooves along with MAHLE double coating of dry phosphate to prevent micro-welding and pin galling and Grafal anti-friction coating. Forged from MAHLE proprietary M142S alloy these parts have the low noise characteristics of 4032 alloy with the strength of 2618.

MAHLE Motorsport forged pistons benefit from over 90 years of knowledge in piston production. MAHLE has supported numerous world championship-winning teams at all levels of motorsport, from Formula One down. It is this level of knowledge and experience that sets them apart from the many aftermarket piston manufacturers.

Supplied with MAHLE manufactured steel low friction ring packs and pins.

Bore sizes: 83.00mm / 83.50mm
Compression Height: 30.40mm
Pin Size: 23mm
Rings: 1.0 / 1.2 / 2.8mm
Steel Nitrided Piston
Weight: 324grams
Compression Ratio: 8.5:1

Additional information

Weight 4 kg
Bore Size

+0.5mm (Add R876.30), +1mm (Add R876.30), Std Bore

Compression Ratio

8.5:1 (Add R1,537.55), 9.0:1


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