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This design also features an uprated spring that improves sealing pressure
this audible change becomes very apparent (and not in a good way)
the m365 calibration should only be used in conjunction with the hardware listed and be used with 97RON+ fuel where possible
so is perfectly suited to daily use without any compromise
Machined from solid aluminium with a piston-type design (compared to the OE diaphragm) the more robust design and material are suitable for vehicles in advanced state of tune
Forged Engine Rebuild [Mk3 Focus RS] Power This design also features anThe mountune Forged Engine Upgrade for the 2. 3 litre EcoBoost engine native to the Mk3 Focus RS, includes pistons which are manufactured exclusively for mountune in the US by MAHLE Motorsport, and connecting rods made in the USA by Carrillo to our specification. In addition to the uprated rods and pistons, this upgrade replaces or upgrades a number of other key engine components to maximise reliability, including: Cylinder head gasket (latest
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