Port Cylinder Head

cooper
BMW_R53_Mini_Cooper_S_ported_fast_road_track_cylinder_head_2001_2006_01_sxb

BMW R53 Mini Cooper S ported fast road/track cylinder head 2001/2006

BMW Mini Cooper S /JCW R53 Ported cylinder head. Designed for fast road use, this head gives maximum torque and power while still keeping all the reliability for everyday use. Giving smooth power and good economy. Once the valve guides are removed, over 25 hours of fettling and reshaping is carried out. The inlet seats are increased by 0.5mm and exhaust seats by 1.7mm giving the correct valve to seat ratio for power/flow. Exhaust ports are the main area of work with 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…
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2005_Mini_Cooper_S_cylinder_head_polished_and_ported_01_ni

2005 Mini Cooper S cylinder head polished and ported

Here is a great opportunity for someone who either wants to replace their standard Cooper s head. The Cooper S head is new - the owner replaced this with a JCW head when he bought the car so literally he drove to the dealership and that's it 10 miles max. Still in the original box gleaming. God knows how much this would cost from BMW. I have just had that head polished and ported copying the finish on a Thumper TRP2 donor I had knocking around. This was done at ECM in Northampton and cost me a lot. I have used the internals from the TRP2 as these passed muster.…
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Mini_Cooper_12g940_Cylinder_Head_Big_Valve_Ported_1275_Engine_S_Mg_Midget_1300_01_mj

Mini Cooper 12g940 Cylinder Head Big Valve Ported 1275 Engine S Mg Midget 1300

This is a 12G940 head with correct Cooper S big valves, double springs and has been ported. The valve sizes are 35.5inlet 29.2 exhaust, so big valve head. The inlet and exhaust ports are bigger and the inlets have been ported. Will fit any 1275 engine. ANY questions or extra photos please ask. Others may want it! Thanks for looking, and good luck! THIS HAS BEEN IMPOSED BY THE COURIERS, NOT ME. PLEASE PLEASE PROVIDE THIS WHEN PAYING. Buyers from Highlands, Northern Ireland, IOW, Chanel Islands, etc, etc. If it's a larger item, it will cost more to courier to you. Please wait for an invoice. The courier companies price…
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Bmw_Mini_Cooper_S_JCW_R53_cylinder_head_ported_and_polished_top_performance_01_zn

Bmw Mini Cooper S/JCW R53 cylinder head ported and polished top performance

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…
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CNC_Ported_Cylinder_Head_for_Mini_JCW_Cooper_S_2nd_Gen_N14_Engine_01_fh

CNC Ported Cylinder Head for Mini / JCW Cooper S (2nd Gen) N14 Engine

CPL Racing CNC ported cylinder head service for BMW Mini / JCW Cooper S (2nd gen) N14 engine (donor cylinder head not included). At CPL Racing we have been porting cylinder heads for 20 years. Our recent acquisition of a new 5 axis CNC machining centre however, has allowed us to expand our services further into CNC ported cylinder heads. Unlike any other company, we do not digitise hand ported heads and reproduce them by CNC machining. Our process is a completely new approach which begins by digitising the stock head. Various ports are then designed using computer aided design (CAD), using formulas we have developed over many years complemented…
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BMW_Mini_Cooper_S_R53_ported_and_polished_cylinder_head_top_performance_01_jgps

BMW Mini Cooper S R53 ported and polished cylinder head top performance

Designed for fast road/trackday use, this ported and polished head gives maximum torque and power while still keeping all the reliability for everyday use. Giving smooth strong power and economy. Using the experience of over 25years in motorsport , the valve guides are removed, and many hours of precision fettling, port matching and shaping is carried out. This head is the most popular TBMotorsport ported head, where the inlet valve seats/throats are increased by 1mm with ports to match , and the exhaust seats/throats are bored out by 1.7mm, again with ports/throats to match. Exhaust ports matched to the (larger) Janspeed exhaust manifold and a large amount of material removed…
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