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IRVING Holden Head 202, 186, 179
$5,500
HSD IRVING
You heard right the IRVING cylinder head is back in production we have been teasing with the idea for many years (over 6 since thefirst few photos) with posts here and there of us working and modifying some old castings. These new IRVINGS are brand new castings new aluminium new technology new tricks….
Leave those old cast iron heads behind and make your Holden six a real fire breathing rocket that would even scare the V8 boys. These heads bolt onto your Holden 6 without any modifications, the Irving head kit will come with rocker cover, a manifold of your choice triple weber or 4 barrel and a choice of exhaust flanges for custom extractors or twin cast iron headers. Rocker gear can be arranged and supplied at an extra cost as well as ARP stud and pushrods depending on application.
All heads are fully assembled to your specifications for hydraulic or solid camshaft, with high quality valve springs, chromoly retainers, hardened machined locks, custom HSD stainless valves.
Prices for the Irving head kit are:
$5,500 -Bolt on as cast flowing approx 170cfm @.500" lift on a 25” bench
$6,600 -Fully 6, basic port work flowing approx 190cfm @.500" lift on a 25” bench
$7,700- Start of competition work flowing 210cfm @ .500" lift on a 25” bench
*ALL HEADS ARE MADE TO ORDER* please contact HSD cylinder heads
PLEASE CALL OR EMAIL US TO MAKE AN ORDER AS WE NEED INFORMATION ON YOUR ENGINE TO CUSTOMIZE THE COMPRESSION TO SUIT YOUR NEEDS
You heard right the IRVING cylinder head is back in production we have been teasing with the idea for many years (over 6 since thefirst few photos) with posts here and there of us working and modifying some old castings. These new IRVINGS are brand new castings new aluminium new technology new tricks….
Leave those old cast iron heads behind and make your Holden six a real fire breathing rocket that would even scare the V8 boys. These heads bolt onto your Holden 6 without any modifications, the Irving head kit will come with rocker cover, a manifold of your choice triple weber or 4 barrel and a choice of exhaust flanges for custom extractors or twin cast iron headers. Rocker gear can be arranged and supplied at an extra cost as well as ARP stud and pushrods depending on application.
All heads are fully assembled to your specifications for hydraulic or solid camshaft, with high quality valve springs, chromoly retainers, hardened machined locks, custom HSD stainless valves.
Prices for the Irving head kit are:
$5,500 -Bolt on as cast flowing approx 170cfm @.500" lift on a 25” bench
$6,600 -Fully 6, basic port work flowing approx 190cfm @.500" lift on a 25” bench
$7,700- Start of competition work flowing 210cfm @ .500" lift on a 25” bench
*ALL HEADS ARE MADE TO ORDER* please contact HSD cylinder heads
PLEASE CALL OR EMAIL US TO MAKE AN ORDER AS WE NEED INFORMATION ON YOUR ENGINE TO CUSTOMIZE THE COMPRESSION TO SUIT YOUR NEEDS
- Date Listed:08/12/2022
- Last Edited:06/02/2023
- Condition:New
- Make:Holden
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