GM Motorsport

GMM CNC Ported LS2 LS6 (243 casting) Heads - Pair - "Change Over"

NZD $1,866.52
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Availability:
Shipping due to high demand is 4-6 weeks

Expected release date is 1st Feb 2022

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Description

1 Pair of Complete GMM CNC Ported LS1 (243 catsing) Heads - "Change Over"

What you get

  • CNC ported intake and exhaust port
  • ultra sonic process
  • 16 valves ground
  • 8 intake valve seats turned on Newen cnc cutter Multiple angle variable shape
  • 8 Exhaust valve seats turned on Newen cnc cutter Multiple angle variable shape
  • increased compression ratio with deck face machined. 

If you are looking for that extra edge or, more precisely, added power, then CNC technology will give you the results you need.

In fact, the cylinder head is one of the most, if not the most, important facets of engine horsepower.

GMM Racing Heads have been supplying cylinder heads to major race teams 

They have led the industry by providing superior performance cylinder heads to a broad cross-section of the racing world.

Upgrade Options

Decking: Please choose how much you want decked of the head (if you are not sure please contact us first)

PSi Valve Springs: Please advise if you would like valve springs added to your order

Valve Stem Seals: Please advise if you would like valve stem seals added to your order

 

Change over option:

Please choose from our options below:

  1. Change Over: You can bring your heads in and direct swap for a finish set, or send us your heads first and we will send you a set back. Heads must be undamaged, unmodified & in a satisfactory clean condition. Charges will apply for heads presented in a highly dirty state or minor repairs. Example (broken header bolts)
  2. Purchase Outright: You can purchase a set of heads outright and keep your own + $1390.
  3. Core Holding Deposit: You can pay a core holding deposit of $1390- and have this refunded to you when you send your heads back to us - (You must send us your heads no longer than 2 weeks after receiving the ones we send you.

Please Deliver to 23 Reserve Road Melton 3337 with your name and number in the box!

 

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