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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
For Your Every Summer RSVP, with Code: SUMMER15
Description
Holley EFI LS Hi-Ram Intake Manifold Chev LS1 LS2 # HO300-123Holley EFI LS Hi Ram Intake Manifold Chev LS1 LS2 # HO300 123 Intake Manifold, EFI Hi Ram, Aluminum, Natural, Chevy, Each Cylinder Head Configuration: Cathedral Port LS1 LS2 LS6 Fuel Injection Style: Multi port Basic Operating RPM Range: Idle 8,000 Intake Section Included: Complete Throttle Body Bore Size: 105mm Engine Block Deck Height: Standard deck Injectors Included: No Multi Port Fuel Rails Included: Yes EGR: No Aftermarket Fuel Rail Required:
Holley EFI LS Hi-Ram Intake Manifold Chev LS1 LS2 # HO300-123Intake Manifold, EFI Hi-Ram, Aluminum, Natural, Chevy, Each
Cylinder Head Configuration:
Cathedral Port LS1/LS2/LS6
Fuel Injection Style:
Multi-port
Basic Operating RPM Range:
Idle-8,000
Intake Section Included:
Complete
Throttle Body Bore Size:
105mm
Engine Block Deck Height:
Standard deck
Injectors Included:
No
Multi-Port Fuel Rails Included:
Yes
EGR:
No
Aftermarket Fuel Rail Required:
Yes
Throttle Body Included:
No
Supplemental Bosses Cast-In:
No
Supplemental Bosses Machined:
No
Runners Included:
Yes
Runners Removable:
No
Plenum Material:
Aluminum
Plenum Finish:
Natural
Base Material:
Aluminum
Base Color:
Natural
Quantity:
Sold individually.
Notes:
With cathedral port heads only. Fuel rails are machined for -8 AN O-ring female fittings.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 1
Hat
Size: One Size, Color: Tnf Black/Asphalt Grey
Doesn’t look right
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
★★★★★ 1
Don’t buy it
Size: One Size, Color: Khaki Stone/Gravel
Shape is not like the pic
I returned it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025
★★★★★ 1
not good
Size: One Size, Color: Tnf Black/Asphalt Grey
weird fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 23, 2025
★★★★★ 1
Hat
Size: One Size, Color: Tnf Black/Asphalt Grey
Doesn’t look right
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
★★★★★ 1
Don’t buy it
Size: One Size, Color: Khaki Stone/Gravel
Shape is not like the pic
I returned it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025