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Black Label LS7 6 Bolt Heads

Black Label LS7 6 Bolt Heads

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Black Label LS7 6 Bolt Heads

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$3,537.00

Black Label castings are second to none. The high quality aluminum and robust architecture result in a stout top end offering. Match this with LME's custom CNC porting/valve job and you have a recipe that is sure to bring your F/I or N/A mill to the next level of performance. Standard features include CHE bronze valve guides, optimized pushrod clearance locations & staggered 7/16" rocker arm stand bolt pattern.

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Description

Black Label castings are second to none. The high quality aluminum and robust architecture result in a stout top end offering. Match this with LME's custom CNC porting/valve job and you have a recipe that is sure to bring your F/I or N/A mill to the next level of performance. Standard features include CHE bronze valve guides, optimized pushrod clearance locations & staggered 7/16" rocker arm stand bolt pattern.

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

FLOW NUMBERS WITH 4.125" BORE @ 28" WATER
LIFT .100" .200" .300" .400" .500" .600" .700" .800"   Valve Size
INTAKE  77  161  244  308  352  380  398  403    2.250"
EXHAUST  60  120  171  215  244  263  275  285    1.600"

*Flowed with radius inlet intake/no pipe exhaust

Intake Volume (cc)

278

Rocker Config.

7/16" Staggered

Exhaust Volume (cc)

103

Intake Port Config.

LS7

Valve Guide Material

Manganese Bronze

Head Bolts/ Cyl.

6

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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