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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
For Your Every Summer RSVP, with Code: SUMMER15
Description
Holley Single Plane EFI Intake - GM LS1/LS2/LS6Holley Single Plane EFI Intake GM LS1 LS2 LS6 Black Ceramic Coated, Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS3 L92 style rectangular port cylinder heads Overview Black Ceramic Coated, Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS3 L92 style rectangular port cylinder heads Includes mounting bolts washers. Also includes O ring cylinder head mounting flange gaskets for an
Holley Single Plane EFI Intake - GM LS1/LS2/LS6Black Ceramic Coated, Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS3/L92 style rectangular port cylinder heads
Overview
Black Ceramic Coated, Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS3/L92 style rectangular port cylinder heads
Includes mounting bolts washers. Also includes O-ring cylinder head mounting flange gaskets for an OEM style seal. This manifold will not work with factory fuel rails and requires the use of Holley Fuel Rail Kit 534-218. 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).
Features:
- 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
- Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219
Details:
- Color: Silver
- Construction: Cast
- Engine: GM LS1/LS2/LS6
- Finish: Silver
- Flange Style: 4150 Square Bore
- Front Height: 5.417 inch
- Fuel System Type: EFI
- Manifold Type: Single Plane
- Rear Height: 5.417 inch
- Recommended Use: Forced Induction
- RPM Power Band: 2500-7000 RPM
- Warranty: Limited 90 Day
Links
Instruction Sheet
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 24 reviews
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Product Reviews
★★★★★ 5
Totally cool
Style: happy MARINE
Very well made, and the kids love them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
★★★★★ 4
Skin friendly for kids
Style: happy MARINE
It's of good quality but because of the design, if not dried properly can be a home to bacteria.
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Reviewed in the United States on January 10, 2026
★★★★★ 5
Great buy!
Style: happy MARINE
These are awesome! My son was very happy about them and wanted to use the duck right away! They are kind of soft and are good with sudsing up the soap.
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Perfect
Style: happy MARINE
It came out so good, quality nop touch 👌
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Very cute
Style: happy MARINE
Comfortable to use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 20, 2025
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