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Ls-Efi-Manifold---2X4-Dual-Plane-Gm-Ls1Ls2Ls6
Ls-Efi-Manifold---2X4-Dual-Plane-Gm-Ls1Ls2Ls6
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Holley 300-121 Ls Efi Manifold - 2X4 Dual Plane Gm Ls1/Ls2/Ls6

2 sold in last 8 days
Holley
ds_BBVL_300-121
Engine Intake Manifold
$887.70
customers are viewing this product
Holley 300-272 EFI Hi-Ram Intake Manifold
Holley 300-272 EFI Hi-Ram Intake Manifold
$1,910.75 $1,902.95
Holley 300-121BK Ls Efi Manifold - 2X4 Dual Plane - Black Gm Ls1/Ls2/Ls6
Holley 300-121BK Ls Efi Manifold - 2X4 Dual Plane - Black Gm Ls1/Ls2/Ls6
$1,156.29
Holley 300-121 Ls Efi Manifold - 2X4 Dual Plane Gm Ls1/Ls2/Ls6
Details

Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines

Specifications:

Description_ASC All GM LS Gen 3 engines equipped with LS1/LS2 style cathedral port cylinder heads. NOTE: The EFI versions of the LS HI-Ram intake manifold and fuel rail are designed to accept Bosch Style EV-1 or Magneti Marelli Pico fuel injectors. OE LS fuel injectors may not fit properly in the Hi-Ram EFI intake manifold fuel rail assembly. There is a kit available separately for the LS7 Hi-Ram EFI to allow the use of stock LS7 fuel injectors, P/N 300-230 (see below in the service parts section).
Description_DEF Engine Intake Manifold
Description_EXT Hi-Ram Intake Manifold; Lower; EFI 2 x 4 Mid Rise Dual Plane Manifold; Front Height 4.47 in.; Rear Height 5.54 in.; RPM Power Band 1500-7000; Satin Finish;
Description_DES Holley LS EFI Manifold - 2x4 Dual Plane GM LS1/LS2/LS6
Description_FAB The Holley GM LS1/LS2/LS6 2x4V dual-plane was designed in the tradition of the great dual Holley 4160 induction systems that competed on drag strips, in Trans-Am and at Lemans in the 1960's. The technology of the LS pushrod engine is now mated with the im
Description_FAB The dual-plane equal-distribution layout produces great mid-range torque without compromising top end power
Description_FAB Carbureted and EFI versions available
Description_FAB Power band from 1500-7000 rpm
Description_FAB Appropriate for any street/performance, muscle car, or street rod enthusiast
Description_FAB Cast aluminum construction
Description_FAB Intended for use on all GM LS Gen III engines equipped with LS1/LS2 style cathedral port cylinder heads
Description_FAB Carb Flange Center-To-Center: 8-5/8"
Description_FAB The LS engine architecture does not utilize an intake mounted water neck or distributor so it's perfect for two Holley carburetors and this intake.
Description_INV LS1/LS2 DUAL-QUAD INTAKE MANIFOLD, EFI
Description_SHO Intake Manifold
Description_MKT Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines
Number of Carbs None; For Fuel Injection
Front Height 4.470 in.
Brand Holley EFI
Engine GM LS1/LS2/LS6
Position Lower
Rear Height 5.540 in.
Engine Make/Size GM LS1/LS2/LS6
WARNING CA Proposition 65 No
Cylinder Head Type LS3/L92
Usage Street/Hi-Performance
Clearance Category Air and Fuel Delivery
Color Silver
Emission Code 3, 4
Sale Category Air and Fuel Delivery
Manifold Type Dual Plane
Emission Without EGR
RPM Range 1500-7000
Construction Cast
Flange Type 4150 Square Bore
Fuel System Type EFI
Discount Percentage 26-50%
Finish Silver
Flange Style 4150 Square Bore
Product Type Intake Manifold
RPM Power Band 1500-6500 RPM
Warranty Limited 90 Day
Length 10.2000
Width 14.5000
Height 23.1000
Weight 22.8800
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