Port Cylinder Head
Porsche_911SC_Big_Port_Cylinder_Heads_Rebuilt_39mm_Large_Intake_Ports_1978_1983_01_npr

Porsche 911SC Big Port Cylinder Heads Rebuilt 39mm Large Intake Ports 1978-1983

They are early heads US and feature the large 49mm intake valves and 41.5mm exhaust valves and 39mm intake ports, 35mm exhaust ports. They are threaded for US air injection in the exhaust ports and can be plugged - we have proper stainless plugs with the correct thread and seal washers available if no air injection is used (not included). These early cylinder heads are date-stamped 9-77, and the date-stamps on 2 of the heads are not visible due to refacing them. They have all been refaced to the same height. Please check out the photos, this is a truly excellent set of big port 3.0 cylinder heads. These were…
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Trick_Flow_TFS_3181T001_C01_Cylinder_Head_Ultra_18_CNC_Competition_Ported_56cc_01_pkv

Trick Flow TFS-3181T001-C01 Cylinder Head Ultra 18 CNC Competition Ported 56cc

Fitment and Product Information. Cylinder Head, Ultra 18®, CNC Competition Ported, 56cc CNC Chambers, Ti Retainers, Small Chevy, Each. Brandname: Trick Flow Part Number: TFS-3181T001-C01 Product Details. Trick Flow Ultra 18® 250 cylinder heads with 18 degree runners make serious horsepowerpower ideal for drag and high-rpm circle track racing. Right out of the box, these heads deliver higher airflow numbers than fully prepped 23 degree heads. Features include Trick Flows CNC-profiled combustion chambers and CNC Competition Ported runners with a premium high resolution surface finish for maximum flow and performance. Ultra 18 250 heads accept most current 18 degree intake manifolds, headers, and other components. They require the use of…
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Reconditioned_and_Primed_Wide_Port_Engine_Cylinder_Head_218227_for_Triumph_TR6_01_yc

Reconditioned and Primed Wide-Port Engine Cylinder Head 218227 for Triumph TR6

Ann Arbor Sportscar is pleased to offer. A reconditioned used OEM bare builder engine cylinder head assembly for the stock Triumph 6-cyl. In-line 2498cc engine with the wide-port induction head found on the later-model Triumph TR6. This cylinder head can also be retrofitted to a TR250, TR5, and earlier TR6, provided that you also have the proper later wide-port intake manifold for this wider-port induction head configuration. The distance between these intake ports is approximately 0.95. We measured a factory stock head thickness of 3.55 with our shop caliper. The Stanpart casting number is 312388. The part number stamped on this cylinder head is 218227. This engine cylinder head was…
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VOLVO_B18_B20_Ported_Cylinder_Head_Enlarged_Valves_01_cvb

VOLVO B18 B20 Ported Cylinder Head & Enlarged Valves

B18 head, B18 bowl size, B20 valves. Has had B20 valves fitted and been relieved up to the valve seats. The sharp ridge in the bowls has been smoothed and polished. Bowls have been etched to the gasket line. All of these modifications directly improve the flow and performance horse power. Exhaust floors have not been touched. Performs brilliantly have used it myself. However was used with new valve springs from Brookhouse Volvo parts as the original valve springs are not in good condition; these are not included but the old springs and all collects and end caps are. The item "VOLVO B18 B20 Ported Cylinder Head & Enlarged Valves"…
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Chevy_Holden_Monaro_HSV_LS_LS1_LS2_LS6_CNC_Ported_Cathedral_Alloy_cylinder_Heads_01_jufs

Chevy Holden Monaro HSV LS LS1 LS2 LS6 CNC Ported Cathedral Alloy cylinder Heads

Pro-Comp Chevy LS1 LS2 LS6 CNC Ported Cathedral Port Alloy cylinder Heads. Pro comp CNC ported heads , in tests done by Hot rod magazine on one of there test engines, the Procomp CNC heads where one of the best performing , creating more HP then many other big name brands and matching ones of more then twice the price! Its a fair price considering you could as easily spend a thousand on just getting Some headers for a Holden in the UK, considering the amount of work gone into these heads and the performance advantage. Big Valve, Big CNC ports (very nice, and expensive) aluminium heads. Mine Come with…
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Yamaha_1sl_e11b0_v0_Gytr_Ported_Cylinder_Head_Assy_1sle11b0v0_Free_Shipping_01_rm

Yamaha 1sl-e11b0-v0 Gytr Ported Cylinder Head Assy 1sle11b0v0 Free Shipping

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. DOES NOT INCLUDE OVERNIGHT, EXPEDITED OR INTERNATIONAL. The item "YAMAHA 1SL-E11B0-V0 GYTR PORTED CYLINDER HEAD ASSY 1SLE11B0V0 FREE SHIPPING" is in sale since Thursday, October 3, 2019. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Cylinder Heads &…
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LTR450_LTR_450_LT_R450_Cylinder_Head_Ported_Race_Dune_Drag_Port_Polish_Assembly_01_hdq

LTR450 LTR 450 LT-R450 Cylinder Head Ported Race Dune Drag Port Polish Assembly

FITS ALL S UZUKI LTR450 YEARS AND MODELS! One BRAND NEW genuine OEM Suzuki head with a full race dune/trail port. Works with stock or big bore cylinder and stock or after market valves. If you like we can assemble the head with standard or +1 valves. Please check your order thoroughly when receiving it. We recommend that this kit be installed by a qualified mechanic with experience working on these types of motors. Piston comes with specific instructions for setting the ring gap. If you do not follow these exactly your motor will fail. The item "LTR450 LTR 450 LT-R450 Cylinder Head Ported Race Dune Drag Port Polish Assembly"…
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Trickflow_PowerPort_365_Ported_Aluminum_Cylinder_Head_Big_Block_Chevy_BBC_365cc_01_up

Trickflow PowerPort 365 Ported Aluminum Cylinder Head Big Block Chevy BBC 365cc

Trickflow PowerPort 365 Ported Aluminum Cylinder Head Big Block Chevy BBC 365cc. This product data sheet is originally written in English. These are the TFS PowerPort 365cc intake runner aluminum heads with 119cc chambers, titanium retainers. And a max lift of. Looking for serious Big-Block horsepower? Perfect for all high performance street/strip, racing, and marine applications, Trick Flow PowerPort® 365 cylinder heads for big block Chevy deliver exceptional power potential and competition level durability. Features include rectangular intake runners for strong mid- to high-rpm performance, fully CNC-profiled, heart-shaped combustion chambers, CNC bowl blended valve seat transitions, 24 degree intake valve angles with 4 degree side cants for additional airflow volume,…
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Datsun_260Z_E88_Cylinder_Head_L26_240z_260z_280z_01_qppy

Datsun 260Z E88 Cylinder Head L26 240z 260z 280z

Refurbished Datsun E88 Cylinder head. Port cast cleaning. New valve guides & seals. Shimmed cam towers. E30 "c" spec cam. 5 new intake valves. 240z 260z 280 compatible. DO YOUR OWN RESEARCH FOR INTERCHANGEABILITY/CROSS-COMPATIBILITY. Not offered on used / vintage / discontinued / rare items. Please take your time to view each image; as all sales are final. We strive for a great connection to our community. Please be sure to leave us feedback. Our ratings solidify how we serve you and how we can do better. Thank you for your support. The item "Datsun 260Z E88 Cylinder Head L26 240z 260z 280z" is in sale since Thursday, August 13,…
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Assembled_4_port_Cylinder_Head_For_Nissan_Navara_D22_Yd25ddt_Yd25ddti_2_5l_I4_01_dibw

Assembled 4-port Cylinder Head For Nissan Navara D22 Yd25ddt Yd25ddti 2.5l I4

ASSEMBLED 4-PORT CYLINDER HEAD FOR NISSAN NAVARA D22 YD25DDT YD25DDTI 2.5L I4. Manufactured from high quality aluminium castings, then precision machined, this replacement 4-port cylinder head is brand new and comes completely assembled. It will suit Nissan common rail diesel models (CRD) with the 4 port intake. No need to source any extras as it already includes valves, valve stem seals, springs, shim buckets and camshafts. Valve clearance has been preset to prevent any complications during install, simply bolt on and drive away! 1 X Assembled cylinder head. 1 X VRS gasket kit. 1 X Head bolt set. Please remember to check out our other performance products for sale. We…
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