Skip to content

M178 CNC Ported Heads

Original price $5,899.99 - Original price $5,899.99
Original price
$5,899.99
$5,899.99 - $5,899.99
Current price $5,899.99
Customer 1 Customer 2 Customer 3
rated Manji 4.8/5 based on +86 Reviews

Description

Precision 5-Axis machined and fully blue-printed for extreme duty and highest power potential for your M177/178, our CNC Ported Heads are a must have when building your M177/178 equipped AMG. The team at Premier Tuning Group completes a full overhaul of your M177/178 head to transform it to 24%+ CFM Flow.

Our engine build team goes the extra mile to give you not only a reliable head rebuild but also a completely reshaped port to perform both naturally aspirated and forced induction. The scrutinizing process includes, full disassembly, CNC porting, 5 angle valve job, high pressure cleaning, clean decking, new OEM valve seals, full check of springs and valves, valve height measurement, chamber CC check, and final assembly.

Benefits Include:

  • 24%+ CFM Flow @ .550" Lift w/ 2.0" Exhaust Pipe
  • 5-Axis CNC Ported Intake & Exhaust Ports
  • Five Angle Valve Job
  • Full Health Check of Head
  • High Pressure Cleaned
  • Clean Decked for Perfect Straightness
  • New OEM Valve Seals

This product requires a core exchange. Please contact us at Info@premiertuninggroup.com for assistance. Based on varying degrees of core quality, some heads require new valves, springs, locks, or additional components at an additional cost.

    Safe payment on our website

Info

Part #:

Previous Part #:

Cross Reference #:

Have any questions?

Our team is available to help

Card Slider with Swiper
★★★★★
"saw the spl ad and decided my M3 could use an upgrade, after installation i was surprised, even tho its a lil pricey, the end result is 10x times worth the price"
Brandon M Verified badge Verified
★★★★☆
"Great service at the shop & online! Arrived a little later than I thought, but it was as described! Can’t complain!"
Tyler J Verified badge Verified
★★★★★
"Great customer service. Care deeply about what they do!"
Jonathan G Verified badge Verified
★★★★☆
"It was my first time ordering off of Manji, a bit hesitant but everything came quickly and had no issues, will be ordering again for my next part"
Kevin L Verified badge Verified
★★★★★
"blew tf out of my n54 lmao so manji been my go to for oem and aftermarket parts"
Daniel T Verified badge Verified
★★★★★
"Spoke to Austin about parts, he recommended. So I went on the website and ordered it. Safe to say his online store is just as good as the one in person!"
Chris V Verified badge Verified
★★★★☆
"arrived quicker than i thought"
Alex D Verified badge Verified
★★★★★
"pretty good selection of parts online, helped me source and find the best parts for my project💪"
Ryan C Verified badge Verified
★★★★★
"Great service and delivery time!!! Ordered some bits for my miata:)"
Sofia M Verified badge Verified
★★★★★
"manji is my go to site, ordered some SPL arms and transformed the car completely"
Oscar S Verified badge Verified
★★★★★
"ordered off the website and went in person for installation, great service on both points"
Omar R Verified badge Verified
★★★★★
"Ordered some rear toe links for my BMW, feels like a track car now😂"
Kyle A Verified badge Verified

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare