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CNC Head Porting for GT350 & GT500 Cylinder heads - starting at $1250pr

Mod Mustang Racing

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Worlds Fastest & Only 5 second Coyote
MMR is pleased to release its CNC head porting to the public. MMR's Port design is over 3 years in the making and holds every Ford Coyote Record including Worlds Fastest Ford Coyote with an astounding 5.67 1/4 mile @ over 265mph and producing over 4000hp with factory cylinder heads!

Let MMR take your 2016-2020 GT350 cylinder heads to the next level with CNC porting.

When you send MMR your GT350 cylinder heads we will fully CNC port both the intake and exhaust ports to our most recent specs. Flow is greatly increased over all stages and our port designs are both dyno and track proven. HP and TRQ are both greatly increased with zero sacrifice in reliability or performance!

Finally the combustion chamber is reshaped to unshroud the valves and spark plug for reduced chance of detonation and increased cylinder head performance.

Valves are pressure tested and lapped as needed prior to reassembly to ensure a perfect seal.

Price is per pair

Select your Options below:

Add to Cart:

  • Model: CNCGT350
  • Manufactured by: MMR

Please Choose:
5.0 Coyote Porting Options
Stage 1 (Gain 20-40HP)
Stage 2 (Gain 40-60HP) ( +$250.00 )
Stage 3 (Gain 60-80HP) ( +$450.00 )
Stage 3R (Gain 85-95HP) ( +$600.00 )


Additional Options & Upgrades
Add MMR Billet Cam Caps PN#LABCCBL & 676500 ( +$1,300.00 )
O ring heads for Lockwire Grooves (copper gaskets only) PN#LAB2 ( +$125.00 )
Please send me BOXES & UPS Call Tags ( +$120.00 )
Re-surface Cylinder heads PN#LAB1 ( +$200.00 )
Upgraded Gen 2 valve springs & Titanium retainers (400888) ( +$899.99 )

CNCGT500_.jpg


Below: MMR CNC Ports on Left, Factory CNC Port on right

CNCGT500_001.jpg
 

Mod Mustang Racing

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Looks good. Interested in seeing some real life results.
The HP increases we have published are all dyno proven , we have given a range of HP for each stage to account for variations in combinations and other bolt ons. The low #s are conservative which means you will get at least what we have published as the low #. So, to answer your question these are real life #'s, dyno's speak the truth and our race track performance back them up.

Let us know if we can get a set done for you and thank you for the interest.
 

honeybadger

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The HP increases we have published are all dyno proven , we have given a range of HP for each stage to account for variations in combinations and other bolt ons. The low #s are conservative which means you will get at least what we have published as the low #. So, to answer your question these are real life #'s, dyno's speak the truth and our race track performance back them up.

Let us know if we can get a set done for you and thank you for the interest.
Can you share those dyno graphs? Community would appreciate actual dyno graphs to back up those claims vs. asking folks to believe you're telling the truth.
 

Mod Mustang Racing

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Yes, The website is being updated as we speak, we will be adding some dyno graphs and videos and other data asap, should you have any questions in the meantime do not hesitate to call as we are not always on the forums.
 

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