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Holley LS1 Single Plane EFI Split-Design Race Intake Manifold – Black

Marsoni M251S
Sale price$424.98
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Holley LS1 Single Plane EFI Split-Design Race Intake Manifold – BlackHolley Single Plane EFI Split Design Race Intake Manifold Black High Performance Intake for GM LS1 LS2 LS6 Engines Two Piece Split Design Allows easy access to internal plenum and ports for custom porting and matching. Optimized for 6000 7000 RPM Designed for high performance racing applications with 5. 3 to 6. 2+ liter engines. 4150 Square Bore Flange Compatible with carburetors or throttle body EFI systems. Lightweight Cast Aluminum Durable
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  • We offer a 30-day return/exchange service after receiving.
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4.5 ★★★★★
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dawn swiney crowe
Port Orchard, US
★★★★★ 5
Top notch price buster
Size: 11SMax-24Pack
Perfect fit, Perfect quality replacement and great deal!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
J
Verified Purchase
Jon J Ceresa
Waukegan, US
★★★★★ 5
Fits perfectly on my Dyson.
Size: 11SMax-24Pack
Fit perfectly. Work great. Improves your suction and cleaning power back to new. Good price. Fast shipping.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 28, 2026
M
Verified Purchase
Mark
Houston, US
★★★★★ 5
good
Size: 11S-25Pack
It doesnt feel like the original Eufy Brand but still very good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
B
Verified Purchase
Barbara Rambow
Belleville, US
★★★★★ 4
Workable but not as tight to fit
Size: 11SMax-24Pack
They work, but they don’t click in as smooth as the original pieces did
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Reviewed in the United States on January 20, 2026
H
Verified Purchase
Huf
Belleville, US
★★★★★ 5
Fast shipping, items as advertised.
Size: 11SMax-24Pack
Perfect fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026

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