Pay in 4 interest-free payments of $156.25 Learn more
Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
WARGNING: Transmission fluid is flammable
Able to handle up to 800 hp
Silver Zinc coated (post 6/10/25) version uses SPICER 3-2-119
or any Holley mappable input
Holley LS Hi-Ram EFI Manifold GM LS1/LS2/LS6 LT WARGNING: Transmission fluid is flammablePart # 300 123 LS1 LS2 LS6 Cathedral Port EFI for 1 x 105MM Throttle Body The Holley GM LS1 LS2 LS6 Modular Hi Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet metal for high performance applications where induction system height is not limited. Coupling this Hi Ram intake with the high flowing LS1 LS2 LS6 style cylinder heads has outstanding potential for N A and forced induction applications at a budget minded
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