4V 228cc

4V 228cc 325cfm Bare Cleveland - SB Ford Alloy Heads

Product ID: CHI 4V 228cc Bare

	Price - 1 Pair (AUD) Price - 1 Pair (USD)	$2200   $1575
	Payment Terms

Description:

Finally a true factory style 4V alloy head for the Cleveland enthusiasts. At CHI we realise that not everyone wants to upgrade their intake manifolds, so we went about creating a 4V head for the Cleveland enthusiasts. Designed around our 3V 218cc intake port we spent many hours re shaping the entry of the 218cc port to accommodate factory and aftermarket 4V manifolds like the Torker, Strip Dominator etc etc. Careful attention was paid during development of the opening of the port, so as to not increase the volume of the port any more than necessary and keep the velocity as high as possible. Essentially we have created a full size 4V head with a port volume smaller than most "small port" epoxied 4V heads! The new head features the same standard height "UNI" exhaust port as our 2V head allowing the use of either 2V or 4V headers. The intake opening is as per the original factory 4V heads and will accept all factory manifolds. The 4V heads come machined to accept 2.190"Intake valves and 1.650" Exhaust valves and can be machined to accept 1.710"on request and at no extra charge.

With 325cfm of intake airflow and easy compatibility with existing parts the all new 4V head makes for the most economical horsepower and torque upgrade available for the trusty 4V headed. At just 228cc in port volume the all new 4V flows a massive 325cfm at .700"lift, taking the 4V head to a new level of performance, never before available from a standard intake port location and size.

Features:

1. Standard Intake port locations will fit ALL 4V factory style intake manifolds GUARANTEED and our UNI exhaust port allows the use of either 2V or 4V factory exhaust manifolds.

2. 325cfm of Intake airflow at .700" lift

3. 3V combustion chamber provides the most efficient burn characteristics and detonation control on the market today.

4. All new 220+cfm "UNI" Exhaust Port will fit either 2V or 4V headers with NO port matching, and features true Standard Height Exhaust Port & bolt locations.

5. 5/8" Thick Deck for positive head gasket retention and ideal for all nitrous and blown applications.

6. Standard head bolt lengths.

7. Fully CNC machined in house.

Flowchart:

Click here to enlarge

4V CNC Chambers

Product ID: 4V CNC Chambers

	Price - 1 Pair (AUD) Price - 1 Pair (USD)	$190   $150
	Payment Terms

Description:

Owners of raised dome, high compression pistons to suit 4V closed chamber heads, can now order CHI heads with a 4V CNC chamber. Our 4V CNC chambers are 74cc in volume and retain our relocated spark plug location. These can also be ordered as an option by people that require increased chamber volumes for blown or stroker applications. The need to replace those high compression 4V pistons is now a thing of the past.

3V CNC Chambers

Product ID: 3V CNC Chambers

	Price - 1 Pair (AUD) Price - 1 Pair (USD)	$190   $150
	Payment Terms

Description:

Although we CNC all our chambers as part of our manufacturing process, the step over we use is.030". This allows us to economically add this process to all our cylinder heads without adding any further expense.

For customers that want the ultimate in CNC finish we also offer a .020" super fine step over CNC chamber option. The CNC program like our standard program, gives our standard deck height heads, a chamber volume of approximately 68-70cc (depending on valve choice), with a much smoother finish.

Also available are small chamber options where we "lift" the chamber in the cylinder head so you don't have to mill down the deck face. This option will add a further $100USD and or $150 AUD to the cost of the fine step-over program. Please call or email to discuss this option further, as there are many chamber volumes we can accommodate.

STD Factory Pedestals

Product ID: STD Factory Pedestals

	Price - 1 Pair (AUD) Price - 1 Pair (USD)	Free of Charge   Free of Charge
	Payment Terms

Description:

Finally owners of standard Cleveland rocker gear and / or aftermarket bolt on standard pedestal type Cleveland roller rockers; can now order CHI heads with factory style rocker pedestals. This makes CHI heads even more affordable then ever. No longer do you need to buy roller rockers or convert to screw in studs and guide plates with alloy heads.

Our STD pedestal mounts come fitted with 5/16UNC helicoils, for the ultimate in strength and fatigue resistance. Best of all CHI will custom machine your new cylinder heads to suit standard pedestals at no extra charge.

4V 228cc Street Assembly 805-DO

Product ID: CHI 4V S/A 805-DO

	Price - 1 Pair (AUD) Price - 1 Pair (USD)	$2850   $2150
	Payment Terms
	All assembled cylinder heads packages come with free CNC chambers. (valued AU$190/US$150) * does not apply to cylinder heads with standard factory pedestals.

Description:

This complete Street cylinder head package comes with Ferrea 5000 series, stainless steel valves with hard chromed stems. We use Isky Chrome-Molly-7 Degree Retainers, Isky Machined Valve Locks (not the cheaper stamped steel versions), and Isky 805-DO valve springs. This package is ideal for hydraulic camshafts to 230@.050 with .570"lift, or small solids up to 230@.050 and .570"lift that are street driven regularly. Heads are finished of with matching Isky hardened spring pad locators to positively locate the valve spring and Viton valve stem seals for unsurpassed oil control.

4V 228cc Street Assembly 8005A

Product ID: CHI 4V S/A 8005A

	Price - 1 Pair (AUD) Price - 1 Pair (USD)	$2900   $2150
	Payment Terms
	All assembled cylinder heads packages come with free CNC chambers. (valued AU$190/US$150) * does not apply to cylinder heads with standard factory pedestals.

Description:

This complete Street cylinder head package comes with Ferrea 5000 series stainless steel valves with hard chromed stems. We use Isky Chrome-Molly-7 Degree Retainers, Isky Machined Valve Locks (not the cheaper stamped steel versions), and Isky 8005A Triple Competition valve springs.

This package is ideal for large solid cams of up to .625" lift (be sure to subtract valve lash from your camshaft specs when determining net valve lift), and is ideal for the serious street car that is raced on the odd occasion. Heads are finished of with matching Isky hardened spring pad locators to positively locate the valve spring and Viton valve stem seals for unsurpassed oil control.

4V 228cc Competition Assembly 8005A

Product ID: CHI 4V S/A 8005A

	Price - 1 Pair (AUD) Price - 1 Pair (USD)	$3000   $2250
	Payment Terms
	All assembled cylinder heads packages come with free CNC chambers. (valued AU$190/US$150) * does not apply to cylinder heads with standard factory pedestals.

Description:

This complete Competition cylinder head package comes with Ferrea 6000 series swirl polished stainless steel valves with hard chromed stems. We use Isky Chrome-Molly-7 Degree Retainers, Isky Machined Valve Locks (not the cheaper stamped steel versions), and Isky 8005A Triple Competition valve springs.

This package is ideal for large solid cams of up to .625" lift (be sure to subtract valve lash from your camshaft specs when determining net valve lift), that are raced on a regular basis. Heads are finished of with matching Isky hardened spring pad locators to positively locate the valve spring and Viton valve stem seals for unsurpassed oil control.

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