Hero image 0 of Holley 300-683BK Lo-Ram Intake Manifold Dual Injector Black Finish, 0 of 11

Holley 300-683BK Lo-Ram Intake Manifold Dual Injector Black Finish

Name: Holley 300-683BK Lo-Ram Intake Manifold Dual Injector Black Finish
Brand: HOLLEY EFI
SKU: 337894599
Price: 1299.95 USD
Availability: InStock

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Key item features

Engine Compatibility: Designed for Gen III/IV engines utilizing OE or aftermarket LS3/L92 cylinder heads.
Performance Focus: Optimized for forced induction (supercharged or turbocharged) applications, achieving peak power between 7000-8000 rpm.
Throttle Body: Accepts 105mm throttle bodies, such as Holley part number 112-581.
Intercooler Integration: Features a low-height base manifold to facilitate the packaging of a plenum-mounted air-to-water intercooler in a top-feed configuration.
Advanced Fueling: Includes high-volume fuel rails with 3/4-16 O-ring ports (8 AN) for sixteen injectors (two per cylinder), with brackets for both standard tall and short Pico/LS7 style injectors.
Included Hardware: Comes with all necessary mounting hardware for installation.
Finish Option: Presented in a black powdercoat finish, with an as-cast finish also available under part number 300-683.

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Specs

Vehicle make
GM
Vehicle model
LS Gen III and IV
Vehicle fitment type
Specific
Brand
HOLLEY EFI
Material
Cast Iron
Finish
Black

Current price is $1,299.95

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Compare with similar items

Comparison Overview:
Product	Viewing this item Holley 300-683BK Lo-Ram Intake Manifold Dual Injector Black Finish current price $1,299.95 Holley 300-683BK Lo-Ram Intake Manifold Dual Injector Black Finish	Holley Performance 300-122BK Engine Intake Manifold current price $1,249.95 Holley Performance 300-122BK Engine Intake Manifold	Holley EFI 300-309 351W Ford Hi-Ram EFI Manifold with Side Mount Top current price $1,299.95 Holley EFI 300-309 351W Ford Hi-Ram EFI Manifold with Side Mount Top	Holley EFI 300-306 8.2 in. SBF Hi-Ram EFI Manifold with Side Mount Top current price $1,299.95 Holley EFI 300-306 8.2 in. SBF Hi-Ram EFI Manifold with Side Mount Top	Holley 300-272BK 8.2 Inch SBF Hi-Ram EFI Manifold, 95mm LS, Black current price $1,299.95 Holley 300-272BK 8.2 Inch SBF Hi-Ram EFI Manifold, 95mm LS, Black	Holley Performance 300-117 Engine Intake Manifold current price $1,249.95 Holley Performance 300-117 Engine Intake Manifold 4 out of 5 Stars. 1 reviews	Weiand 300-141 Engine Intake Manifold current price $1,319.95 Weiand 300-141 Engine Intake Manifold	Holley EFI 300-272 8.2" SBF Ford Hi-Ram EFI Manifold current price $1,299.95 Holley EFI 300-272 8.2" SBF Ford Hi-Ram EFI Manifold	Holley EFI 300-912BK Ultra Lo-Ram EFI Manifold Coyote - Black Finish current price $955.95 Holley EFI 300-912BK Ultra Lo-Ram EFI Manifold Coyote - Black Finish	Holley EFI 300-910 Hi-Ram EFI Intake Manifold Coyote - As Cast Finish current price $821.57 Holley EFI 300-910 Hi-Ram EFI Intake Manifold Coyote - As Cast Finish

Comparison Chart:
Vehicle make	GMHolley 300-683BK Lo-Ram Intake Manifold Dual Injector Black Finish	RAMHolley Performance 300-122BK Engine Intake Manifold	Ford, RAMHolley EFI 300-309 351W Ford Hi-Ram EFI Manifold with Side Mount Top	FordHolley EFI 300-306 8.2 in. SBF Hi-Ram EFI Manifold with Side Mount Top	FordHolley 300-272BK 8.2 Inch SBF Hi-Ram EFI Manifold, 95mm LS, Black	GMHolley Performance 300-117 Engine Intake Manifold	GMWeiand 300-141 Engine Intake Manifold	FordHolley EFI 300-272 8.2" SBF Ford Hi-Ram EFI Manifold	FordHolley EFI 300-912BK Ultra Lo-Ram EFI Manifold Coyote - Black Finish	FordHolley EFI 300-910 Hi-Ram EFI Intake Manifold Coyote - As Cast Finish
Vehicle model	LS Gen III and IVHolley 300-683BK Lo-Ram Intake Manifold Dual Injector Black Finish	300122BKHolley Performance 300-122BK Engine Intake Manifold	351WHolley EFI 300-309 351W Ford Hi-Ram EFI Manifold with Side Mount Top	302WHolley EFI 300-306 8.2 in. SBF Hi-Ram EFI Manifold with Side Mount Top	SBFHolley 300-272BK 8.2 Inch SBF Hi-Ram EFI Manifold, 95mm LS, Black	LS3Holley Performance 300-117 Engine Intake Manifold	Gen V LT1 Hi-RamWeiand 300-141 Engine Intake Manifold	SBFHolley EFI 300-272 8.2" SBF Ford Hi-Ram EFI Manifold	CoyoteHolley EFI 300-912BK Ultra Lo-Ram EFI Manifold Coyote - Black Finish	CoyoteHolley EFI 300-910 Hi-Ram EFI Intake Manifold Coyote - As Cast Finish
Vehicle fitment type	SpecificHolley 300-683BK Lo-Ram Intake Manifold Dual Injector Black Finish	SpecificHolley Performance 300-122BK Engine Intake Manifold	SpecificHolley EFI 300-309 351W Ford Hi-Ram EFI Manifold with Side Mount Top	SpecificHolley EFI 300-306 8.2 in. SBF Hi-Ram EFI Manifold with Side Mount Top	SpecificHolley 300-272BK 8.2 Inch SBF Hi-Ram EFI Manifold, 95mm LS, Black	SpecificHolley Performance 300-117 Engine Intake Manifold	SpecificWeiand 300-141 Engine Intake Manifold	SpecificHolley EFI 300-272 8.2" SBF Ford Hi-Ram EFI Manifold	SpecificHolley EFI 300-912BK Ultra Lo-Ram EFI Manifold Coyote - Black Finish	SpecificHolley EFI 300-910 Hi-Ram EFI Intake Manifold Coyote - As Cast Finish
Material	Cast IronHolley 300-683BK Lo-Ram Intake Manifold Dual Injector Black Finish	MetalHolley Performance 300-122BK Engine Intake Manifold	Cast aluminumHolley EFI 300-309 351W Ford Hi-Ram EFI Manifold with Side Mount Top	AlumHolley EFI 300-306 8.2 in. SBF Hi-Ram EFI Manifold with Side Mount Top	Cast aluminumHolley 300-272BK 8.2 Inch SBF Hi-Ram EFI Manifold, 95mm LS, Black	MetalHolley Performance 300-117 Engine Intake Manifold	MultiWeiand 300-141 Engine Intake Manifold	Cast aluminumHolley EFI 300-272 8.2" SBF Ford Hi-Ram EFI Manifold	Cast IronHolley EFI 300-912BK Ultra Lo-Ram EFI Manifold Coyote - Black Finish	Cast IronHolley EFI 300-910 Hi-Ram EFI Intake Manifold Coyote - As Cast Finish

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About this item

Product details

Compatible with GM LS Gen III and IV engines equipped with LS3/L92 Heads;

Designed for Gen III or Gen IV engines with LS3/L92 cylinder heads, OE or aftermarket. The Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm. Accepts 105 mm throttle body part number 112-581 or similar models. The base intake manifold is designed with a low height to aid the packaging of a plenum mounted air-to-water intercooler in a top-feed configuration. Has provisions for a two injectors per cylinder. The included high flow billet fuel rails with 3/4-16 (8 AN) O-ring ports have two different sets of brackets to accommodate both long (usually standard length) fuel injectors and short (such as Pico, or LS7) fuel injectors. Comes in a black powdercoat finish with an as cast finish also available, #300-683. Mounting hardware included.;

Designed for Gen III/IV engines with OE or aftermarket LS3/LS92 heads
Maximum performance for supercharged or turbocharged applications with peak power at 7000-8000 rpm
Accepts 105mm throttle bodies like Holley 112-581
Base manifold has low height to accommodate custom plenum mounted air-to-water intercoolers
High volume fuel rails with 3/4-16 O-ring ports (8 AN) for sixteen (two per cylinder) injector configurations. Two sets of brackets allow use of standard tall injectors or short Pico LS7 style injectors. Mounting hardware included.

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Specifications

Compatible cars

GM LS Gen III and IV engines

Vehicle make

Vehicle model

LS Gen III and IV

Vehicle fitment type

Specific

Warranty

Warranty information

90 Days

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