Wossner Forged Piston Kit for Focus RS MK3 9.5:1
Looking for the best pistons for your Ford Focus RS MK3? Look no further. These Wossner Forged Piston Kit for Focus RS MK3 9.5:1 are our No.1 recommended choice for high-performance engine builds. After extensively testing various piston brands on the market, Wossner stands out for its unbeatable combination of strength, reliability, and performance.
These forged pistons are engineered specifically for the Focus RS MK3 platform and are the go-to upgrade for anyone serious about power and durability. 4032 material pistons, ideal for enthusiasts upgrading to big turbo kits or converting to a 2.0L block, they are the default pistons we use in all of our RS MK3 engine builds and conversions. Check out this Build that included these exact pistons HERE
-
Rated up-to 800BHP
-
Precision-forged for high strength under extreme pressure
-
Exceptional wear resistance and thermal stability
-
Trusted by performance builders worldwide
If you’re aiming for even more power, be sure to check out the Hard Anodized Wossner RS MK3 Pistons, available [here] – designed for builds exceeding 800BHP.
Whether you’re building a reliable street car or a track-machine, these Wossner RS MK3 Forged Pistons are the best pistons for Ford Focus RS MK3 owners who refuse to compromise
Additional information
Manufacturer | Ford |
---|---|
Kit Part Number | K9571 |
Engine Code | N38H |
YOM From | 2015 |
YOM To | current |
Piston number | K9571D050, K9571DA |
Bore Size | 87.5mm – K9571DA, 88mm – K9571D050 |
Stroke | 94mm |
Compression Height | 32.8mm |
OEM Comp Ratio | 9.5:1 |
Number of Rings | 3 |
OEM Rod Length | 144mm |
Clip Part Number | CW23 |
Pin Size | 22.5mm |
Pin Part Number | WP120 |
Cylinders | 4 |
Valves Per Cylinder | 4 |
Suits Wossner Con Rod | G0309 |
Con Rod Length C/C | 149.3mm |
Trust the Experts – FER Approved Engine Builders
We’re proud to announce that we’ve been officially approved and elected as a member of the Federation of Engine Re-manufacturers (FER) – A testament to our commitment to quality and high standards across the board.
Since 1937, the FER has represented the very best in engine reconditioning across Automotive, Marine, HGV, Racing, and more. This approval confirms that our systems, operations, staff training, and customer service meet the highest industry standards.
When you choose our RS MK3 forged pistons or any of our engine services, you’re putting your vehicle in expert, FER-approved hands.
Read More