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  • Holley Modular Ultra Lo-Ram EFI Manifold LS1/2/6
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Holley Modular Ultra Lo-Ram EFI Manifold LS1/2/6

Holley EFI
GVMR_300-621BK
$1,237.95 $1,099.95
The 300-621 Ultra Lo-Ram front-feed plenum entry was configured to provide a very low profile modular...
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$1,099.95
Holley Modular Ultra Lo-Ram EFI Manifold LS1/2/6
Description
The 300-621 Ultra Lo-Ram front-feed plenum entry was configured to provide a very low profile modular intake manifold suitable for turbocharged or centrifugally supercharged engines. The fuel rail kits come with two sets of brackets. A set for long (usually standard length) fuel injectors and a set for short (such as Pico, or LS7) fuel injectors. The Holley LS1/2/6 Ultra Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Ultra Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications and the 105 mm throttle body part number 112-581 or similar models. The base intake manifold is designed with a lower overall height to fit under a stock or mildly modified hood.
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