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Focus RS / ST MK2 Alloy Header Tank

Focus RS / ST MK2 Alloy Header Tank

Pro-Alloy(motor Sport)

£283.96

Hand made alloy coolant tank to replace the plastic OE part. All alloy construction with the benefit of rounded edges. This improves reliability as folded tanks with square edges are more likely to crack at the joint under pressure. All skilfully assembled by our in house fabricators. This is a direct replacement for the O.E. tank with no drilling or cutting required. Supplied with b ayonet style cap which is a vast improvement in reliability over the OE plastic cap. Billet sight glass fitted as standard to make it easy to check your coolant level. The 21psi cap will be supplied colour matched

Pro-Alloy(motor Sport)'s own words, read from their page.

Buy from PRO-ALLOY(MOTOR SPORT)LIMITEDPRO-ALLOY(MOTOR SPORT)LIMITED is a UK retailer, not the maker. Price seen 2026-09-26. Not an affiliate link, we earn nothing from it.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.