HOLLEY LS 2x4BBL DUAL PLANE EFI INTAKE MANIFOLD HO300-121 CHEV HOLDEN LS1/LS2 V8
Product Information
These Holley LS 2x4 dual plane fuel injection intake manifolds allow you to install dual throttle bodies on your late model LS Series engines. Their dual plane, equal-distribution layout produces great midrange torque without compromising top-end power. The manifolds feature all cast aluminum construction, a wide 1,500-7,000 rpm power band range, and can accept dual inline mounted 1,000 cfm throttle bodies with a 1.750 in. maximum throttle bore diameter.
Chev/Holden small block Gen III/IV LS1/LS2/LS6 5.7L/6.0L V8.
- Engine Block Style: Stock/OEM standard deck
- Injection Style: Throttle body
- Basic Operating RPM Range: 1,500-7,000
- Intake Section Included: Complete
- EGR: No
- Injectors Included: No
- Fuel Rails Included: No
- Aftermarket Fuel Rail Required: Yes
- Throttle Body Included: No
- Supplemental Bosses Cast-In: No
- Supplemental Bosses Machined: Yes
- Supplemental Boss Quantity: Eight
- Runners Included: No
- Runners Removable: No
- Plenum Material: Aluminum
- Plenum Finish: Natural
- Base Material: Aluminum
- Base Finish: Natural
- Quantity: Sold individually.
- Notes: With cathedral port heads only.

Product Information
These Holley LS 2x4 dual plane fuel injection intake manifolds allow you to install dual throttle bodies on your late model LS Series engines. Their dual plane, equal-distribution layout produces great midrange torque without compromising top-end power. The manifolds feature all cast aluminum construction, a wide 1,500-7,000 rpm power band range, and can accept dual inline mounted 1,000 cfm throttle bodies with a 1.750 in. maximum throttle bore diameter.Chev/Holden small block Gen III/IV LS1/LS2/LS6 5.7L/6.0L V8.
- Engine Block Style: Stock/OEM standard deck
- Injection Style: Throttle body
- Basic Operating RPM Range: 1,500-7,000
- Intake Section Included: Complete
- EGR: No
- Injectors Included: No
- Fuel Rails Included: No
- Aftermarket Fuel Rail Required: Yes
- Throttle Body Included: No
- Supplemental Bosses Cast-In: No
- Supplemental Bosses Machined: Yes
- Supplemental Boss Quantity: Eight
- Runners Included: No
- Runners Removable: No
- Plenum Material: Aluminum
- Plenum Finish: Natural
- Base Material: Aluminum
- Base Finish: Natural
- Quantity: Sold individually.
- Notes: With cathedral port heads only.