BMW Mini Cooper S JCW R53 Ported cylinder head. Designed for fast road/track day use, this head gives maximum torque and power while still keeping all the reliability for everyday use. Giving smooth power and good economy. This has not been through thousands of heat cycles and years of possible abuse. This is a genuine top quality part, compare this with others! Using the experience of over 25 years in motorsport, the v. And many hours of. Fettling and reshaping is carried out. Mm and exhaust seats by 1.8mm. Aust ports matched to the. Tubular manifold (found to give the best results). And a large amount of metal removed from the’strangled’ throats, which gives optimum performance while still using standard valves and springs. The guides are replaced and the seats re cut to give three angles where possible for smooth air flow. The valves are now lapped in and necessary work is carried out on each chamber to prevent valve shrouding and detonation. Fully rebuilt and ready to fit. This is a top quality’TBMotorsport. Wix’ performance part and a major part of getting the best from your cooper S! Depending on other performance parts used, this will give 20-30bhp to your Cooper S. A previous head gave over 270bhp. With additional tuned parts, 25. 0+ is the normal power for road use. All work carried out by myself. With over 25 years of race engine development and. Have a JCW and S myself and have a genuine passion for the Supercharged Mini and I hope this will always reflect in the quality of the work. I also have a new fully built bottom end with ARP studs, race bearings etc if required. The pictures are of the actual head you receive. Myself and mechanic were very impressed with the work you’ve done on the head. ” Good to know there are still skilled hands on engineers that take pride in their work”. The item “Bmw Mini Cooper S/JCW R53 cylinder head ported and polished top performance” is in sale since Sunday, March 28, 2021. This item is in the category “Vehicle Parts & Accessories\Car Parts\Engines & Engine Parts\Cylinder Heads & Head Covers”. The seller is “tommyredcat” and is located in Welwyn. This item can be shipped to United Kingdom.

• Brand: BMW