Description
1 x Wossner Forged Pistons & PEC Steel Con Rods full kit for the Ford Focus RS MK2 2.5 & ST Turbo
Included in the box is everything you need for your engine, Rods, Pistons, rings, Bolts etc etc.
Please select the correct bore size in the drop down box.
Please select either H beam Rods G0164 or I beam rods G0258
After years of market research and actual product testing in conjunction with several well respected tuning companies, PEC at last launches a new breed of piston on too the European market.
One of the things missing from the European aftermarket industry, is a mass produced piston range that is engineered for the end users needs. Using the last decade’s of experience, we here at PEC are confident we have developed a range of pistons to suit almost every possible need.
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.
PEC rods are designed to withstand roughly 225hp per cylinder (typically 900hp on most 4cyl engines) and on the ARP 2000 series 3/8 bolts normally provided & have an 8,500 RPM safe operating limit (engine specific).
Specification:
| Part Number |
K9489 |
| Engine Type |
Focus RS Mk2 & Focus ST 2.5 |
| OE Bore Size |
83.00mm |
| Bore Sizes Available |
83.00mm – 2521cc
83.50mm – 2551cc |
| Stroke |
93.2mm |
| Dome/Bowl Volume |
+11.5cc |
| Pec Comp. Ratio |
Focus RS Mk2 – 8.5:1Focus ST Mk2 – 8.5:1 |
| OE Comp. Ratio |
Focus RS Mk2 – 8.5:1Focus ST Mk2 – 9.0:1 |
| Comp. Height |
28.4mm |
| Valves Per Cylinder |
4 |
| Cylinders |
5 |
| Rod Configuration |
H-Beam – G0164
I-Beam – G0258 |
| Con Rod Length C/C |
143.00mm |
| Small End Diameter |
23.00mm |
| Small End Width |
22.00mm |
| Big End Diameter |
53.00mm |
| Big End Width |
25.65mm |
*On a Focus RS engine, this will give the factory Compression ratio of 8.5:1
If used to convert a Focus ST engine, this will lower the compression ratio from the factory 9.0:1 to 8.5:1*
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