Port Cylinder Head

race
Honda_S2000_Race_Ported_Cylinder_Head_F20C_01_qlh

Honda S2000 Race Ported Cylinder Head F20C

Honda S2000 Race Ported Cylinder Head F20C. Work carried out by BTCC Engineer Simon Erland with software calculations to maximise porting improvements. Inlet & Exhaust ports worked to maximise flow including the tough curve on the short side which must be correct to avoid the flow detaching; removing the guide and guide boss makes such a step change - because that messes up the flow as well as acts as a block. This head will flow substantially better than the cnc heads just because they leave the boss in and it has a disproportionate effect. Exhaust Studs Drilled & Tapped to M10 to avoid backing off in high performance high…
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1999_Honda_Cr125r_Shifter_Kart_Ported_Race_Cylinder_W_Head_54mm_Bore_01_vnk

1999 Honda Cr125r Shifter Kart Ported Race Cylinder W Head 54mm Bore

1999 Honda Cr125r Shifter Kart Ported Race Cylinder W Head 54mm Bore This cylinder and head are in very good condition. The cylinder head and cylinder have a copper insert and requires you to use two base gaskets. The spark plug requires you to use a 2mm plug washer and the power valves have been blocked off. This cylinder looks to have been ported as well. Please see photos for closer details! Removed From: 1999 Honda CR125R Please review all pictures above and below to assess the condition of the item. Some of our parts are USED. This means that it may not be perfect, will show normal signs of…
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1999_Honda_Cr125r_Shifter_Kart_Ported_Race_Cylinder_54mm_01_hq

1999 Honda Cr125r Shifter Kart Ported Race Cylinder 54mm

1999 Honda Cr125r Shifter Kart Ported Race Cylinder 54mm. This product data sheet is originally written in English. We Rebuild Engines And Carburetors! 1999 Honda Cr125r Shifter Kart Ported Race Cylinder 54mm This cylinder is in very good condition and looks like its been ported and has Power Valve block off plates for a shifter kart. Please see photos for closer details! Removed From: 1998 Honda CR125R Please review all pictures above and below to assess the condition of the item. Some of our parts are USED. This means that it may not be perfect, will show normal signs of wear, but is in good condition unless otherwise stated. If…
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1999_Honda_Cr125r_Shifter_Kart_Ported_Race_Cylinder_54mm_01_qoc

1999 Honda Cr125r Shifter Kart Ported Race Cylinder 54mm

1999 Honda Cr125r Shifter Kart Ported Race Cylinder 54mm This cylinder is in very good condition and looks like its been ported and has Power Valve block off plates for a shifter kart. Please see photos for closer details! Removed From: 1998 Honda CR125R Please review all pictures above and below to assess the condition of the item. Some of our parts are USED. This means that it may not be perfect, will show normal signs of wear, but is in good condition unless otherwise stated. If you are purchasing an assembly engine cases, carburetors etc. Or a suspension component forks, shocks, linkages etc. We ask that you take note…
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Suzuki_GSXR_750_SRAD_Freshly_Ported_Gasflowed_Race_Track_Bike_Cylinder_Head_01_sq

Suzuki GSXR 750 SRAD Freshly Ported & Gasflowed Race Track Bike Cylinder Head

Suzui GSXR 750 SRAD Newly Gasflowed, Ported & Polished Race Cylinder Head. Unused since flowing, and ready to build. Valves all seated and lapped, vacuum checked seal. Fitted with port matched injection inlet stubs, which are easily removed and replaced with carb inlets if for an earlier bike. Port sizes are the same. Head originally taken from a low mileage engine. Ported and gasflowed, same port profiles as on my own race bikes. Chamber volumes have been balanced, and head skimmed to clean up. Complete with matching cam retainers included. Aking, and other parts and services I can offer please take a look at my website and I will be…
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