GM LS7 CNC Ported Heads

GM LS7 CNC Ported Heads

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GM LS7 CNC Ported Heads

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Product Name Price Qty
LME LS7 CNC Ported Heads w/ Expedited Core Exchange or Outright Purchase
$3,845.00
LME LS7 CNC Ported Cylinder Heads w/ Core Exchange
$2,445.00

By far the most established member in the LS engine family, the LS7, has proven time and time again to be the prime choice of late model hot rodders worldwide. Send us your GM factory cores and allow us to sculpt our proven port configuration and build you a set-up that will dominate any street or track you choose to bo battle on. Get going faster even faster with the LME core exchange program!


There are multiple methods of obtaining a set of LME CNC ported heads perfectly sculpted for your hot rod: 


Standard Core Exchange - We will swap out your useable cylinder heads with a freshly ported and prepaired set once we recieve them via your prefered shipping method or drop-off. Therefore, you will not be charged for the core exchange. 


Expedited Core Exchange - We will ship you a set of CNC ported heads fresh out of the machine and set up to your cam specs once the order is placed. Once your usable cores have made their way to us, LME will refund the cost of the cores. 


Current GM LS7 Cylinder Head core value is $1,200.00 


**No matter what method you choose, once order is placed, LME will contact you to ensure the best option is used for you or your shop. We will cover any details and clearify any question or concerns you may have. We will also seek out all possible information of the build to better provide the best service and parts for your project. This expedited service allows you or your installation shop to have all the parts in hand to complete a CNC ported head install without the down time and hassle of waiting on ported heads to arrive.

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Description

By far the most established member in the LS engine family, the LS7, has proven time and time again to be the prime choice of late model hot rodders worldwide. Send us your GM factory cores and allow us to sculpt our proven port configuration and build you a set-up that will dominate any street or track you choose to bo battle on. Get going faster even faster with the LME core exchange program!

There are multiple methods of obtaining a set of LME CNC ported heads perfectly sculpted for your hot rod: 

Standard Core Exchange - We will swap out your useable cylinder heads with a freshly ported and prepaired set once we recieve them via your prefered shipping method or drop-off. Therefore, you will not be charged for the core exchange. 

Expedited Core Exchange - We will ship you a set of CNC ported heads fresh out of the machine and set up to your cam specs once the order is placed. Once your usable cores have made their way to us, LME will refund the cost of the cores. 

Current GM LS7 Cylinder Head core value is $1,200.00 

**No matter what method you choose, once order is placed, LME will contact you to ensure the best option is used for you or your shop. We will cover any details and clearify any question or concerns you may have. We will also seek out all possible information of the build to better provide the best service and parts for your project. This expedited service allows you or your installation shop to have all the parts in hand to complete a CNC ported head install without the down time and hassle of waiting on ported heads to arrive.

Engine Overview

Details

## By specifying your cam lift LME will assemble your cylinder heads with the proper spring installed height. This will result in optimal spring pressures and coil bind distance for maximum performance. Please include rocker ratio to ensure acuracy. (example:  .650" lift with 1.8 ratio intake and exhaust)

*All Cylinder Heads Are Priced As ASSEMBLED Pairs

 **CORE CHARGE WILL BE REFUNDED WHEN USEABLE CORES ARE RETURNED BY CUSTOMER

FLOW NUMBERS WITH 4.125" BORE @ 28" WATER
LIFT .100" .200" .300" .400" .500" .600" .700" .800"   Valve Size
INTAKE  85  171  261  325  361  383  398  403    2.200"
EXHAUST  63  117  162  208  246  266  279  285    1.615"

*Flowed with radius inlet intake/no pipe exhaust

Intake Volume (cc)

285

Rocker Config.

GM LS7 8mm bolts

Exhaust Volume (cc)

90

Intake Port Config.

LS7

Valve Guide Material

Manganese Bronze

Head Bolts/ Cyl.

4

Minimum Bore Size (in)

4.125"

Valve Angle (degrees)

12


LME Standard Head Porting Process

  • Clean carbon from intake exhaust and chambers (used cores)

  • Through inspection

  • Debur sharp edges

  • Valve guide clearance measured and adjusted for application

  • CNC ported intake exhaust and chambers

  • Competition valve job

  • Valve job hand blended into ports

  • Combustion chambers measured and adjusted for application

  • Meticulous final cleaning of cylinder head and components

  • Intake valves back cut with optimal angle for application

  • Heads assembled and spring pressure set up for specific cam lifts/application

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