Hero image 0 of Holley 300-680BK Ultra Lo-Ram Manifold Kit Single Injector Black, 0 of 11

Holley 300-680BK Ultra Lo-Ram Manifold Kit Single Injector Black

Name: Holley 300-680BK Ultra Lo-Ram Manifold Kit Single Injector Black
Brand: HOLLEY EFI
SKU: 781393436
Price: 1024.95 USD
Availability: InStock

(No ratings yet)

Check if this fits your vehicle

Key item features

Engine Compatibility: Designed for Gen III/IV engines with OE or aftermarket LS3/L92 cylinder heads, ensuring broad application.
Performance Focus: Optimized for supercharged or turbocharged applications, achieving peak power between 7000-8000 rpm.
Compact Design: Features a low overall height to fit under stock or mildly modified hoods, including clearance for C6 Corvette cowls.
Throttle Body: Accepts 105mm throttle bodies, such as Holley 112-581, with a machined flange for a 6-1/8" x 3-1/8" burst panel (not included).
Fuel System: Includes high-volume fuel rails with 3/4-16 O-ring ports (8 AN) for single injector configurations.
Injector Versatility: Comes with two sets of brackets to accommodate standard tall injectors or short Pico LS7 style injectors.
Modular Construction: Modular design allows for custom throttle body adapters or inlet ducts for specialized installations.

Generated by AI

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 $1,024.95

Price when purchased online

Free shipping
Free 90-day returns

How do you want your item?

I want delivery savings with

Try 30 days of Free Shipping with Walmart+! Choose plan at checkout.

How do you want your item?

Columbus, 43215

Arrives by Thu, Feb 12

Order within 1 hr 8 min

Sold and shipped by Walmart.com

Free 90-day returns

This item is gift eligible

More seller options (3)

Starting from $1,044.95

Get free delivery, shipping and more*

*Restrictions apply

Try Walmart+ now

Compare with similar items

Comparison Overview:
Product	Viewing this item Holley 300-680BK Ultra Lo-Ram Manifold Kit Single Injector Black current price $1,024.95 Holley 300-680BK Ultra Lo-Ram Manifold Kit Single Injector Black	Holley 300-951 Holley Hi-Ram Front-Feed EFI Intake Manifold Kit - Small Block Chevy current price $999.95 Holley 300-951 Holley Hi-Ram Front-Feed EFI Intake Manifold Kit - Small Block Chevy	Holley Performance 300-227BK Engine Intake Manifold current price $1,024.95 Holley Performance 300-227BK Engine Intake Manifold	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	Holley Ultra Lo-Ram Manifold Kit - GM Gen V LT current price $1,014.95 Holley Ultra Lo-Ram Manifold Kit - GM Gen V LT	Holley EFI 300-623 LS1 Lo-Ram EFI Front-Feed Manifold Kit current price $727.96 Holley EFI 300-623 LS1 Lo-Ram EFI Front-Feed Manifold Kit	Holley 300-275 8.2 Inch SBF Hi-Ram Carbureted Manifold Base current price $819.95 Holley 300-275 8.2 Inch SBF Hi-Ram Carbureted Manifold Base	Holley Ultra Lo-Ram Manifold Kit and Port Injection Fuel Rails - GM Gen V LT current price $1,049.95 Holley Ultra Lo-Ram Manifold Kit and Port Injection Fuel Rails - GM Gen V LT	Holley Performance 300-229 Engine Intake Manifold current price $999.95 Holley Performance 300-229 Engine Intake Manifold	Holley Ultra Lo-Ram Manifold Kit - GM Gen V LT current price $899.95 Holley Ultra Lo-Ram Manifold Kit - GM Gen V LT

Comparison Chart:
Vehicle make	GMHolley 300-680BK Ultra Lo-Ram Manifold Kit Single Injector Black	GMHolley 300-951 Holley Hi-Ram Front-Feed EFI Intake Manifold Kit - Small Block Chevy	RAMHolley Performance 300-227BK Engine Intake Manifold	FordHolley EFI 300-910 Hi-Ram EFI Intake Manifold Coyote - As Cast Finish	GMHolley Ultra Lo-Ram Manifold Kit - GM Gen V LT	GMHolley EFI 300-623 LS1 Lo-Ram EFI Front-Feed Manifold Kit	FordHolley 300-275 8.2 Inch SBF Hi-Ram Carbureted Manifold Base	GMHolley Ultra Lo-Ram Manifold Kit and Port Injection Fuel Rails - GM Gen V LT	RAMHolley Performance 300-229 Engine Intake Manifold	GMHolley Ultra Lo-Ram Manifold Kit - GM Gen V LT
Vehicle model	LS Gen III and IVHolley 300-680BK Ultra Lo-Ram Manifold Kit Single Injector Black	-Holley 300-951 Holley Hi-Ram Front-Feed EFI Intake Manifold Kit - Small Block Chevy	LSHolley Performance 300-227BK Engine Intake Manifold	CoyoteHolley EFI 300-910 Hi-Ram EFI Intake Manifold Coyote - As Cast Finish	Gen V LT1Holley Ultra Lo-Ram Manifold Kit - GM Gen V LT	LS1/2/6Holley EFI 300-623 LS1 Lo-Ram EFI Front-Feed Manifold Kit	SBFHolley 300-275 8.2 Inch SBF Hi-Ram Carbureted Manifold Base	Gen V LT1Holley Ultra Lo-Ram Manifold Kit and Port Injection Fuel Rails - GM Gen V LT	300-229Holley Performance 300-229 Engine Intake Manifold	Gen V LT1Holley Ultra Lo-Ram Manifold Kit - GM Gen V LT
Vehicle fitment type	SpecificHolley 300-680BK Ultra Lo-Ram Manifold Kit Single Injector Black	UniversalHolley 300-951 Holley Hi-Ram Front-Feed EFI Intake Manifold Kit - Small Block Chevy	SpecificHolley Performance 300-227BK Engine Intake Manifold	SpecificHolley EFI 300-910 Hi-Ram EFI Intake Manifold Coyote - As Cast Finish	SpecificHolley Ultra Lo-Ram Manifold Kit - GM Gen V LT	SpecificHolley EFI 300-623 LS1 Lo-Ram EFI Front-Feed Manifold Kit	SpecificHolley 300-275 8.2 Inch SBF Hi-Ram Carbureted Manifold Base	SpecificHolley Ultra Lo-Ram Manifold Kit and Port Injection Fuel Rails - GM Gen V LT	SpecificHolley Performance 300-229 Engine Intake Manifold	SpecificHolley Ultra Lo-Ram Manifold Kit - GM Gen V LT
Material	Cast IronHolley 300-680BK Ultra Lo-Ram Manifold Kit Single Injector Black	AluminumHolley 300-951 Holley Hi-Ram Front-Feed EFI Intake Manifold Kit - Small Block Chevy	Cast aluminumHolley Performance 300-227BK Engine Intake Manifold	Cast IronHolley EFI 300-910 Hi-Ram EFI Intake Manifold Coyote - As Cast Finish	SatinHolley Ultra Lo-Ram Manifold Kit - GM Gen V LT	Cast IronHolley EFI 300-623 LS1 Lo-Ram EFI Front-Feed Manifold Kit	Cast aluminumHolley 300-275 8.2 Inch SBF Hi-Ram Carbureted Manifold Base	AluminumHolley Ultra Lo-Ram Manifold Kit and Port Injection Fuel Rails - GM Gen V LT	Cast aluminumHolley Performance 300-229 Engine Intake Manifold	AluminumHolley Ultra Lo-Ram Manifold Kit - GM Gen V LT

Now hiding additional rows in the Table

About this item

Product details

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

This intake will work with OE or aftermarket LS3/L92 cylinder heads. The Ultra Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application. Plenum top has a machine flange for the use of a 6-1/8" x 3-1/8" burst panel (not included). The Ultra Lo-Ram plenum flange has a 105 mm opening to work with Holley throttle body part number 112-581 or similar models. Very low overall height to fit under stock or mildly modified hoods. Even clears the low C6 Corvette hoodline. Modular design allows fabrication of special throttle body adapters or inlet ducts for custom installations. Includes high flow fuel rails with 3/4-16 O-ring ports (8 AN). Rail kit comes 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. Designed for single (1 per cylinder) injector applications. For dual injector applications with burst panel provision, use #300-684BK. Mounting hardware and gaskets are included.;

Designed for Gen III/IV engines with OE or aftermarket LS3/L92 heads
Maximum performance for supercharged or turbocharged applications with peak power at 7000-8000 rpm
Accepts 105mm throttle bodies like Holley 112-581
Low height to fit under a stock or mildly modified hood in the front- Clears C6 Corvette cowls and hoods without modification
High volume fuel rails with 3/4-16 O-ring ports (8 AN) for single (1 per cylinder) injector configurations. Two sets of brackets allow use of standard tall injectors or short Pico LS7 style injectors. Mounting hardware included.

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

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

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.