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Part # 9100368

Holley Mid-Rise EFI Intake Manifold & Rail Kit, LS1

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  • Features an optimized runner layout and constant cross sectional area
  • The minimum carb flange height will fit in vehicles with minimum hood modifications
  • Has a cast aluminum construction with a natural finish with a weight of just 11.5 lbs

$541.90

kit

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Product Summary

LS1, EFI Fuel System Type, Multi-port Injection Style

  • Features an optimized runner layout and constant cross sectional area
  • The minimum carb flange height will fit in vehicles with minimum hood modifications
  • Has a cast aluminum construction with a natural finish with a weight of just 11.5 lbs
  • It is a great manifold for centrifugal blower, turbocharged or NOS power adder applications
  • Holley Fuel Rail Kit P/N 534-219 included

Comes as a Kit

Key Specs

BrandHolley
Fuel System TypeEFI
Injection StyleMulti-port
Intake Manifold TypeDual Plane | Medium Rise
RPM Range2,500-7,000

Need To Know

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Details

Intake Manifold

Single Plane Mid-Rise EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.

  • Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219
  • 2500-7000 RPM power band
  • 4150 Square bore flange
  • Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
  • Minimum carb flange height - fit in vehicles with minimum hood modifications
  • Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications
  • Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
  • Weight - 11.5 lbs.
  • Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange
  • Port size - 2.50" height x 1.15" wide
  • Includes Viton® O-ring intake to cylinder head gaskets - Viton® is a registered trademark of DuPont Performance Elastomers
  • EFI Fuel Rail Kit included

Charts

Specifications

KEY SPECS
BrandHolley
Fuel System TypeEFI
Injection StyleMulti-port
Intake Manifold TypeDual Plane | Medium Rise
RPM Range2,500-7,000
GENERAL
Material TypeAluminum
FinishNatural
EGRNo
Intake Section IncludedComplete
Plenum MaterialAluminum
Plenum FinishNatural
Throttle Body IncludedNo
Injectors IncludedNo
Aftermarket Fuel Rail RequiredYes
Fuel Rails IncludedYes
Overall Height5.47"
Runners IncludedNo
Runners RemovableNo
Supplemental Bosses Cast-InNo
Supplemental Bosses MachinedNo
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