Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.
Specifications:
| Description_ASC |
Includes mounting bolts & washers. Also includes O-ring cylinder head mounting flange gaskets for an OEM style seal. Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219.
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_DES |
Holley Single Plane EFI Intake - GM LS1/LS2/LS6 |
| Description_EXT |
LS Single Plane Mid Rise EFI Intake; Upper; EFI; Plane; 4150 Square Bore Flange; Mid-Rise; w/Cathedral Port Cyl. Heads; Ft/Rr Ht 5.417in.; RPM Power Bore 2500-7000; Satin Finish; |
| Description_FAB |
2500-7000 RPM power band |
| Description_FAB |
4150 Square bore flange |
| Description_FAB |
Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM |
| Description_FAB |
Minimum carb flange height - fit in vehicles with minimum hood modifications |
| Description_FAB |
Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications |
| Description_FAB |
Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality |
| Description_FAB |
Weight - 11.5 lbs. |
| Description_FAB |
Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange |
| Description_FAB |
Port size - 2.50" height x 1.15" wide |
| Description_FAB |
Includes Viton (R) O-ring intake to cylinder head gaskets - Viton (R) is a registered trademark of DuPont Performance Elastomers |
| Description_FAB |
Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219 |
| Description_INV |
INTAKE MANIFOLD, LS1 EFI SINGLE-PLANE |
| Description_KEY |
holley; manifold; holley manifold; intake manifold; edelbrock; professional products |
| Description_MKT |
Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads. |
| Description_SHO |
Intake Manifold |
| Rear Height |
5.417 inch |
| Engine Make/Size |
GM LS1/LS2/LS6 |
| Sale Category |
Air and Fuel Delivery |
| Fuel System Type |
EFI |
| Flange Style |
4150 Square Bore |
| Product Type |
Intake Manifold |
| Construction |
Cast |
| Manifold Type |
Single Plane |
| WARNING CA Proposition 65 |
No |
| RPM Power Band |
2500-7000 RPM |
| Number of Carbs |
None; For Fuel Injection |
| RPM Range |
2500-7000 |
| Front Height |
5.417 inch |
| Recommended Use |
Forced Induction |
| Warranty |
Limited 90 Day |
| Color |
Silver |
| Usage |
Street/Hi-Performance |
| Flange Type |
4150 Square Bore |
| Position |
Upper |
| Emission |
Without EGR |
| Cylinder Head Type |
Standard |
| Brand |
Holley EFI |
| Emission Code |
3 |
| Engine |
GM LS1/LS2/LS6 |
| Finish |
Silver |
| Length |
7.4000 |
| Width |
14.5000 |
| Height |
23.0000 |
| Weight |
12.3500 |
