Port Cylinder Head

cylinder
Mini_1275_A_series_St3_gas_flowed_polished_and_ported_cylinder_head_01_alf

Mini 1275 A series St3 gas flowed polished and ported cylinder head

Mini 1275 Stage 3 gasflowed unleaded cylinder head 35.6x29.4mm. The ports are opened up and reshaped and polished for better gasflow, The combustion chambers are also polished and reshaped for better gas flow and combustion. The head has 35.6mm inlet valves and 29.4mm exhaust valves. New cast iron guides with a tapered nose are fitted and uprated double valve springs with spring seats and 4 valve stem oil seals. The head has 21cc's in the combustion chamber (this can be altered to your requirements). Please call 07973 325 328 for details on the machining your own head as we can tailor it to your own spec. This head is ideal…
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2_New_1600_Dual_Port_Cylinder_Heads_for_VW_Volkswagen_90_5_92_bore_40x35_Valves_01_cq

2 New 1600 Dual Port Cylinder Heads for VW Volkswagen 90.5/92 bore 40×35 Valves

A 12mm 3/4 reach spark plug is far superior when dissipating heat. There is more surface area on a long reach spark plug to dissipate the heat. 12mm 3/4 spark plug also has much less chance of stripping the spark plug hole threads because the threads are 3/4 inch long instead of only 1/2 inch. 12mm spark plug holes are further away from the valve seats and reduce the chance of cracking from the spark plug to the valve. Stock combustion cambers have square corners around spark plug hole. Having a sharp corner creates more heat from the plug to the valve seat and increase the chance of cracking. True…
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1966_Corvette_427_425HP_L72_Cylinder_Head_3873858_GM_Rect_Port_Dated_J_1_5_01_ogjx

1966 Corvette 427 425HP L72 Cylinder Head 3873858 GM Rect. Port Dated J 1 5

1966 Corvette 427 / 425HP L72 Cylinder Head #3873858 / GM Rect. Port, Dated J 1 5. This is a clean looking head, it has been ported on the intake and exhaust, and appears to be set up for 2.25" intake and 1.88" exhaust valves. The intake bowl has been opened up below the seat. I haven't magnufluxed the head, but did a thorough magnified inspection with high intensity light. It looks good, along with all threaded holes. The casting date of Oct. 1st, 1965 is very early. The item "1966 Corvette 427 425HP L72 Cylinder Head 3873858 GM Rect. Port Dated J 1 5" is in sale since Friday,…
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09_14_Yamaha_YZF_R1_Ported_Cylinder_Head_01_bmmx

09-14 Yamaha YZF-R1 Ported Cylinder Head

09-14 Yamaha YZF-R1 Ported Cylinder Head. Head has been ported and skimmed. Condition is used but the head is in very good condition. Has normal wear and marks for this type of part. Please see all the pictures for details. Camshafts are not included. The item "09-14 Yamaha YZF-R1 Ported Cylinder Head" is in sale since Thursday, October 24, 2019. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Cylinder Heads & Valve Covers". The seller is "gsxrassassin" and is located in La Vergne, Tennessee. This item can be shipped to United States, Canada, United Kingdom, Australia, Mexico, Germany, Japan, Denmark, Romania, Slovakia, Bulgaria, Czech republic,…
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NEW_BRODIX_WELDTECH_SBC_12x12_CNC_PORTED_CYLINDER_HEADS_sprint_race_car_drag_01_ota

NEW BRODIX WELDTECH SBC 12×12 CNC PORTED CYLINDER HEADS sprint race car drag

New matching set of "BRODIX/WELD TECH" 12 x 12 S/P B CNC ported Small Block Chevy bare aluminum cylinder heads. 12 degree valve angle. 44 cc combustion chambers. Intake valve seats and 1.600 I. 11/32 bronze valve guides. Intake ports measure 1.318 " wide x 2.340" tall. Exhaust ports measure 1.830" wide x 1.600" tall. Lightweight-weighs 24 lbs 11 oz. HARD TO FIND THESE HEADS. WP 12×12 S/P B (WELD TECH CNC Ported). We inspect and describe the items that we sell in a very highly accurate detail. We will immediately attempt to correct any issues that arise. This is the lowest price that you will find. The prices of…
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BRODIX_WELDTECH_SBC_12x12_PORTED_CYLINDER_HEADS_sprint_race_car_drag_01_tyg

BRODIX WELDTECH SBC 12×12 PORTED CYLINDER HEADS sprint race car drag

BRODIX WELDTECH SBC 12x12 PORTED CYLINDER HEADS sprint race car drag. You will receive the head pictured. The item "BRODIX WELDTECH SBC 12x12 PORTED CYLINDER HEADS sprint race car drag" is in sale since Tuesday, January 12, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Air Intake & Fuel Delivery\Intake Manifold". The seller is "kittycoins" and is located in Dayton, Ohio. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands,…
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2_New_1600_Dual_Port_Cylinder_Heads_for_VW_Volkswagen_94_bore_40x35_Valves_DHRSP_01_sr

2 New 1600 Dual Port Cylinder Heads for VW Volkswagen 94 bore 40×35 Valves DHRSP

2 New 1600 Dual Port Performance Cylinder Heads for VW Volkswagen cut to 94 bore with 40x35 Big Valves and Dual High Rev Springs for 1914cc pistons and cylinders. Don't be fooled by cylinder heads with stock 14mm 1/2 reach spark plug holes and stock combustion chambers. A 12mm 3/4 reach spark plug is far superior when dissipating heat. There is more surface area on a long reach spark plug to dissipate the heat. 12mm 3/4 spark plug also has much less chance of stripping the spark plug hole threads because the threads are 3/4 inch long instead of only 1/2 inch. 12mm spark plug holes are further away from…
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VW_Air_Cooled_Junk_Shop_Pair_of_Genuine_Mexico_1600cc_twin_port_Cylinder_Heads_01_oddz

VW Air Cooled Junk Shop Pair of Genuine Mexico 1600cc twin port Cylinder Heads

Restore your VW Classic vehicle with original parts! Pair of Genuine VW Mexico twin port 1600cc Cylinder Heads. Heads may need stripping and cleaning. Local collection is only available on oversized packages. We do our best to accurately describe items and photograph any damage. Although all our products have come off original and running vehicles we can not guarantee the working condition of some products. New products added all the time so save us as a favourite or check back in. The item "VW Air Cooled Junk Shop Pair of Genuine Mexico 1600cc twin port Cylinder Heads" is in sale since Saturday, January 9, 2021. This item is in the…
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Canam_Can_Am_Brp_Ds450_Ds_450_XMX_XXC_X_Ported_Engine_Cylinder_Head_Valves_08_E_01_rvl

Canam Can Am Brp Ds450 Ds 450 XMX XXC X Ported Engine Cylinder Head Valves 08+ E

THIS ITEM FITS ALL YEARS. HEAD DOES NOT HAVE ANY CAMS IN IT. THE VALVE LASH WILL NEED TO BE CHECKED AND PROPERLY SET BEFORE ASSEMBLING AND INSTALLING. IT IS RECOMMENDED TO HAVE A PROFESSIONAL MECHANIC CHECK AND PROPERLY SET VALVE LASH. BUCKETS ARE INCLUDED, BUT WILL NEED SHIMS. ITEM WILL COME EXACTLY AS PICTURED. Notice item is missing one of the exhaust studs. ITEM IS A RACE MODIFIED HEAD. MPH (MOLASKA PERFORMANCE HEAD) PORT WORK. PORTED AND EPOXY ON INTAKE. XCELDYNE TITANIUM VALVE KIT WITH SPINGS. AFTERMARKET VALVE SEATS & VALVE GUIDE. Does not include electrical or engine parts. The item "CANAM CAN AM BRP DS450 DS 450 XMX…
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Original_GM_3919840_Big_Block_Chevy_Cylinder_Head_BBC_E_20_8_Date_01_amvq

Original GM 3919840 Big Block Chevy Cylinder Head BBC E 20 8 Date

Original GM 3919840 Big Block Chevy Cylinder Head BBC - E 20 8 Date. All information presented online in the advertisement and sale of the Part (the Part Description) is presented in good faith and is the best information we have as to the origin and nature of the Part. Any reliance on any portion of the Part Description is strictly at Buyers own risk. It is the installers responsibility to ensure the Part is suitable and safe to install. Sellers liability is, in all events, limited to (and may not exceed) the price paid for the Part. The item "Original GM 3919840 Big Block Chevy Cylinder Head BBC E…
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