Port Cylinder Head

ported
Classic_Mini_12G940_Cylinder_Head_11_Stud_Modified_Ported_etc_01_yvny

Classic Mini 12G940 Cylinder Head 11 Stud Modified Ported etc

12G940 Modified 11 stud cylinder head. It's a MK3 S/1300 GT casting with the 12G1805 number (has been ground off for unknown reason) and letter'K' stamped next to the thermostat housing. It's been modified but i'm unsure who did the work. The head has been fully ported, all valve throats ground out and smoothed. The valves have replaced with stainless steel REC valves (35 mm inlet, 29 mm exhaust) along with bronze valve guides. I've roughly measured the chambers, and they're about 23cc. The thickness of the head is 70.5 mm. All threads are good and none have been repaired/helicoiled. The bypass hose takeoff has been removed and needs blanking…
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World_Products_Ford_Mustang_Windsor_302_351W_Ported_Cast_Iron_Cylinder_Head_Pair_01_qflb

World Products Ford Mustang Windsor 302 351W Ported Cast Iron Cylinder Head Pair

Matched pair of cast iron cylinder heads cast I-051 / 1-051 World Products Ford Windsor cylinder heads 200cc runners 64cc combustion chambers fits 302 / 351W removed from a former crate engine in a Mustang heads were disassembled and ultrasonic cleaned at a professional machine shop magnafluxed with no cracks bare heads that seats measure about 2.05/1.6 no blow-ups no cracks or weld repairs as shown professionally ported runners at one time as shown ports measure about 1.24x1.30. The item "World Products Ford Mustang Windsor 302 351W Ported Cast Iron Cylinder Head Pair" is in sale since Monday, September 7, 2020. This item is in the category "eBay Motors\Parts &…
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Vw_Golf_Gti_Mk2_Mk3_8v_Gasflowed_Ported_Cylinderhead_With_G60_Camshaft_01_gpp

Vw Golf Gti Mk2 Mk3 8v Gasflowed Ported Cylinderhead With G60 Camshaft

Flow`s 35% more air than standard. The engine can rid itself of spent exhaust gases more efficiently, thus by reducing what is called exhaust backpressure, port and polish work helps decrease the amount of work your motor has to put in to getting rid of spent fumes. Larger ports flow more fuel/air at higher RPMs but sacrifice torque at lower RPMs due to lower fuel/air velocity. 1 exhaust studd snaped. 1 needs removing as seen in last pic. The item "VW GOLF GTI MK2 MK3 8V GASFLOWED PORTED CYLINDERHEAD WITH G60 CAMSHAFT" is in sale since Tuesday, May 5, 2020. This item is in the category "Vehicle Parts & Accessories\Car…
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06_TRX450R_TRX_450R_450ER_Ported_Polished_Port_Polish_OEM_Honda_Cylinder_Head_01_wx

06+ TRX450R TRX 450R 450ER Ported Polished Port Polish OEM Honda Cylinder Head

NEED MORE INFO ABOUT THIS ITEM? NEED SOMEONE TO ASSEMBLE/INSTALL YOUR ENGINE? We have you covered! Call Mon to Fri 7am to 4pm with questions!! FITS ALL'06+ HONDA TRX450R/450ER MODELS! This is a used, in excellent condition, OEM Honda cylinder head that we have fully ported and polished. It will make a great addition to your stock or built motor. You can use factory or after market valves. No modification of any kind is required to use this head. We recommend that this be installed by a qualified mechanic with experience doing this type of work. Piston comes with specific instructions for setting the ring gap. Failure to follow these…
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GSXR_1000_Race_Cylinder_Head_Ported_Gas_Flowed_01_my

GSXR 1000 Race Cylinder Head Ported Gas Flowed

GSXR 1000 Race Cylinder Head Ported Gas Flowed. The item "GSXR 1000 Race Cylinder Head Ported Gas Flowed" is in sale since Friday, July 3, 2020. This item is in the category "Vehicle Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engine Parts". The seller is "1student_nurse" and is located in Scunthorpe. This item can be shipped worldwide. Brand: Suzuki
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Banshee_Athena_421_Stroker_Big_Bore_Cool_Head_Cylinders_PORTED_22c_Dome_4_mM_Cub_01_uium

Banshee Athena 421 Stroker Big Bore Cool Head Cylinders PORTED 22c Dome 4 mM Cub

NO SPACER JUST MORE POWER! Athena 68mm big bore cylinders clean up ported. Pro Design cool head with orings and head studs. 22cc pup gas domes machined for 4mm crank. Hi temp piston rings. Wiseco wrist pin bearings. MAXLOAD head stud kit. Top end gasket kit. WE ARE HERE TO HELP!!! We ALWAYS STRONGLY recommend that this kit be installed by a qualified mechanic with experience working on these types of motors. The item "Banshee Athena 421 Stroker Big Bore Cool Head Cylinders PORTED 22c Dome 4 mM Cub" is in sale since Friday, July 31, 2020. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV…
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Peugeot_206_2_0_16v_9633680610_Rfr_Gti_Performance_Ported_Cylinder_Head_01_umr

Peugeot 206 2.0 16v 9633680610 Rfr Gti Performance Ported Cylinder Head

Cylinder head for Peugeot 206 2.0 GTI. The head is chemically cleaned and tested for cracks. The cylinder head is with large (oversized) exhaust valves and performance intake valves. Intake and exhaust ports is fully ported and polishing. Valve guides with new shape for maximum efficiency. In flowbench test results is +21 % in intake flow and +19% in exhaust flow. The head is ready to installation. This cylinder head is made by a motor sport professional. The item "PEUGEOT 206 2.0 16V 9633680610 RFR GTI PERFORMANCE PORTED CYLINDER HEAD" is in sale since Sunday, November 24, 2019. This item is in the category "eBay Motors\Parts & Accessories\Performance & Racing…
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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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Kawasaki_ZX10R_Ported_Cylinder_Head_Kit_ECU_Loom_And_Hawk_TBs_Airbox_2004_01_lq

Kawasaki ZX10R Ported Cylinder Head, Kit ECU/Loom And Hawk TBs Airbox 2004

Full race spec cylinder head, Kit ECU and loom and Hawk racing custom Throttle bodies/airbox/tank. Ported head with repositioned inlet rubbers and has ground through the aluminium so epoxy is built up to fill the holes. Custom grind Kent Race Cams with these specs. Cam lift = 10.35mm. Duration at 0.25mm = 306. Duration at 1.0mm = 260. Valve clearance = 0.2mm. Lobe centre = 104. Cam lift = 9.0mm. Duration at 0.25mm = 304. Duration at 1.0mm = 258. Valve clearance = 0.25mm. Lobe centre = 106. The valves/springs may have been upgraded but I dont know anything about this, some of the buckets are anodised a black colour…
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Yamaha_Gytr_Ported_Cylinder_Head_Assy_Yz250f_1sm_e11b0_t0_00_1sm_e41h0_v0_00_01_ga

Yamaha Gytr Ported Cylinder Head Assy Yz250f 1sm-e11b0-t0-00 & 1sm-e41h0-v0-00

New Genuine Yamaha GYTR Ported Cylinder Head Assembly with Airboot Adapter. CNC milling helps eliminate the variances that hand porting can produce. The head was developed on the flow bench in conjunction with dyno and track testing to ensure the ultimate in performance and durability. GYTR Performance Camshaft Kit is included, as well as stock valve train and cam gears for durability and easy maintenance. GYTR Head Assemblies are used by Yamaha SX/ MX and ATV Race Teams. This accessory is restricted to closed-course competition use. California Regulations regarding Emission-Related Parts and Accessories. For products for closed-course competition use only. THIS WILL COME AS PICTURED. INCLUDES THE PORTED CYLINDER HEAD…
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