Description
1 x Set of Wossner Forged Pistons for the Ford Focus RS MK2 2.5 Turbo Engine. Please select your required bore size. The Kit comes complete with Pistons, all rings , clips & Gudgeon Pins. Why are PEC pistons so good? Well the answer is simple. Most mass market piston manufacturers will rely on online data and a single customer’s feedback when creating a piston, often without taking into account things like the average age of an engine, the correct cylinder head chamber volume, the correct gasket thickness. All this can be calculated, but it is never 100% correct….. Until now. If your buying a PEC piston kit, your also buying into our research and development, as well as countless hours of experience and customer feedback on achieving the optimum level of performance from the pistons in your engine. These pistons are ordered into us here at MAS and then delivered direct to you from us. If Wossner have them in stock there is a lead time of 4-5 working days. In some cases they may need to be ordered in from Germany which will add 3-4 days on. If they are needed urgently or to avoid dissapointment please contact us so that we can check the availability of them for you prior to you placing your order. Specification:| Part Number | K9489 |
| Engine Type | Focus RS Mk2 & Focus ST 2.5 (using RS Rod) |
| OE Bore Size | 83.00mm |
| Bore Sizes Available | 83.00mm – 2521cc 83.50mm – 2551cc |
| Stroke | 93.2mm |
| Dome/Bowl Volume | +11.5cc |
| Wossner Comp. Ratio | Focus RS Mk2 – 8.5:1 Focus ST Mk2 – 8.5:1 |
| OE Comp. Ratio | Focus RS Mk2 – 8.5:1 Focus ST Mk2 – 9.0:1 |
| Comp. Height | 28.4mm |
| Valves Per Cylinder | 4 |
| Cylinders | 5 |
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