Best Efi Throttle Body Kit for LS and 4150 Builds

#1 · Best Overall

1. DEEPMOTOR 1000 CFM Kit

• Weight: 5.5 lb

Best for: High-Flow 4150 Engine Builds.

Why it ranks #1: A 4150-pattern kit with a 1000 CFM rating and included TPS and IAC; integrated intake air temperature sensing is also specified.

A stated 1,000 CFM capacity sets this DEEPMOTOR 4150 throttle body kit apart for high-horsepower applications. Its integrated TPS, IAC and intake air temperature sensors bring several named control components into the throttle body, while the standard square-bore mounting pattern supports installation on many intake manifolds.

The 1,000 CFM rating and CFD-modeled air-entry area are presented for high-horsepower engines, with the modeled entry intended to deliver maximum velocity. Integrated throttle-position, idle-air-control and intake-air-temperature sensors reduce the need to source those named sensors separately; the product description confirms TPS and IAC are included. A standard square-bore pattern allows installation on many intake manifolds, and included Ford and GM transmission kick-down levers plus vacuum ports support those connection needs.

Skip it if you need a complete intake-manifold package; Haytalras 300-123 includes a manifold and fuel rail kit with its throttle body.

A fit for buyers assembling a 4150-pattern, high-horsepower setup who can use its listed sensors, vacuum ports and kick-down levers. Confirm the engine-family application, since the stated fit list names specific GM LS variants and Ford 302.

Listed on Amazon as: 1000 CFM 4-Barrel 4150 CNC Billet Throttle Body Kit (Silver)

#2 · Best Complete Intake

2. Haytalras Hi-Ram Kit

• Weight: 34.3 lb

Best for: Cathedral-Port LS Hi-Ram Package.

Why it ranks #2: Combines a 102mm throttle body with an intake manifold and fuel rail kit, and lists fitment for GM LS cathedral-port applications.

This package pairs a 102mm throttle body with a Hi-Ram EFI intake manifold and fuel rail kit, making it a system-level option for compatible cathedral-port LS builds. Its stated 3,500–8,000 RPM operating range helps buyers assess whether its intended performance window matches their engine use.

The package includes the intake manifold, fuel rail kit, 102mm throttle body and listed accessories, bundling key components for a compatible build rather than supplying only a throttle body. The cathedral-port specification and stated GM LS1, LS2 and LS6 applications narrow the engine fit. Its aluminum intake and Hi-Ram style, together with the 3,500–8,000 RPM basic operating range, give buyers concrete configuration details for evaluating an LS street-rod or track project.

Skip it if you need an EGR-equipped intake; this package explicitly lists no EGR, while a throttle-body-only option avoids this manifold specification.

Choose this package for a listed cathedral-port LS1, LS2 or LS6 build needing a Hi-Ram manifold, fuel rails and 102mm throttle body together. Its 3,500–8,000 RPM range and no-EGR configuration are important boundaries.

Listed on Amazon as: 300-123 LS Hi-Ram EFI Intake Manifold 102mm Throttle Body Kit

#3 · Largest Holley Sniper

3. Holley Sniper 102mm Body

Best for: GM LSx 102mm Cable Builds.

Why it ranks #3: Its 102mm billet-aluminum body is specified for GM LSx and accepts GM factory IAC; it is a focused option for compatible builds.

A 102mm bore gives the Holley Sniper EFI throttle body its clearest fit for GM LSx builds seeking a large-bore, cable-operated unit. Its billet aluminum construction and black anodized finish suit buyers pairing an LSx-compatible throttle body with a Sniper EFI setup and valuing a finished exterior.

GM LSx compatibility narrows the application, while the 102mm bore identifies the airflow opening buyers need to match to their engine and intake. Cable operation also makes the control type explicit for planning the throttle linkage. The body is billet aluminum with a black anodized finish, combining the stated material with a finished surface. It accepts GM factory IAC components; installation notes specify separate M4 x 0.7 attaching screws for the IAC motor and TPS sensor.

Skip it if you need a listed bore smaller than 102mm; Holley Sniper EFI 860001-1 is the listed 92mm alternative.

Choose this for a GM LSx project using a cable-operated throttle and a 102mm opening. Its factory-IAC compatibility is useful, but plan for the specified M4 x 0.7 attaching screws for IAC and TPS installation.

Listed on Amazon as: Holley 860005-1 Sniper EFI Throttle Body 102 mm. Billet Aluminum Black Sniper EFI Throttle Body

#4 · Smaller Sniper Bore

4. Holley Sniper 92mm Body

• Weight: 3.3 lb

Best for: Holley Sniper EFI 92mm Builds.

Why it ranks #4: The 92mm Sniper body offers a smaller listed bore than the 102mm alternative, giving compatible builds another Holley LS-oriented size option.

A 92mm bore makes this Holley Sniper EFI throttle body the smaller-bore choice among the listed Sniper units, with its silver billet-aluminum construction providing another clear identifier. Buyers can use the stated bore and Sniper EFI designation to assess whether it suits their intended setup.

The 92mm bore gives buyers a concrete opening size to compare with their intake and airflow needs. Its Sniper EFI designation identifies the system family, while billet aluminum construction and a silver finish specify the body’s material and appearance. The supplied product details identify the model as 860001-1 but do not give a vehicle fitment or additional sensor and hardware information, so buyers should rely on the stated Sniper designation and bore when evaluating the application.

Skip it if you need a larger listed opening; Holley 860005-1 specifies a 102mm Sniper EFI throttle body.

A reasonable match for buyers seeking a Holley Sniper EFI throttle body with a 92mm bore and silver billet-aluminum identification. The supplied details do not state vehicle fitment, so application compatibility remains a key selection boundary.

Listed on Amazon as: Holley Sniper EFI 860001-1 Throttle Body 92mm Silver

#5

5. Holley 105mm Tapered Body

• Weight: 3 lb

Best for: 105mm Tapered-Bore LS Builds.

Why it ranks #5: This black Holley LS throttle body has a tapered 105mm bore, making its listed configuration relevant to builds seeking that bore design.

A 105mm tapered bore is the defining specification of the Holley 112-581 Hi-Flow EFI throttle body, giving LS buyers a specific opening and bore shape to match. The black billet-aluminum construction adds a clear material and finish description for project planning.

The 105mm tapered bore lets buyers distinguish this model from straight-bore alternatives and compare its opening with their intake and airflow requirements. Its Hi-Flow EFI designation identifies its intended category, while billet aluminum construction and aluminum contact material provide stated material information. The black finish identifies the appearance. Holley describes the part as corrosion resistant and durable, but the supplied specifications do not identify a specific LS engine or vehicle application.

Skip it if you need a smaller stated opening; Holley 112-589 is the listed 90mm tapered-bore LS throttle body.

Choose this when a 105mm tapered-bore Holley EFI throttle body matches your LS project’s intake requirements. Its billet-aluminum body and black finish are clearly specified, but the supplied listing does not identify a specific vehicle application.

Listed on Amazon as: Holley 112-581 Hi-Flow EFI Throttle Body, Black

#6

6. Holley 105mm Non-Tapered Body

Best for: Holley LS 105mm Straight Bore.

Why it ranks #6: The 105mm LS body is explicitly described as non-tapered, distinguishing it from the listed Holley tapered-bore alternative.

A 105mm bore without a tapered bore is the defining choice in this Holley LS throttle body, giving buyers a clearly specified opening and bore style to match to their build. Corrosion-resistant construction and Holley’s stated easy-installation feature round out the product’s practical appeal.

The 105mm measurement helps buyers compare the throttle body opening against their intake and airflow requirements, while the explicitly non-tapered bore distinguishes its geometry from tapered alternatives. Holley describes the part as corrosion resistant and made from quality materials, useful considerations for an engine-bay component. The listing also calls installation easy and the part durable and long lasting, though it does not provide further installation steps or a stated vehicle fit beyond the LS title.

Skip it if you need a listed vehicle-specific fitment or tapered bore; Holley 112-581 is identified as a tapered-bore LS throttle body.

This suits buyers matching an LS throttle body by its 105mm, non-tapered opening and who value the stated corrosion resistance. The listing gives no specific vehicle fitment, so the bore and application need careful matching.

Listed on Amazon as: Holley EFI Ls Throttle Body, 105Mm W/O Tapered Bore

#7

7. Holley 90mm Tapered Body

• Weight: 3.15 lb

Best for: 90mm Tapered-Bore LS Fitment.

Why it ranks #7: A vehicle-specific Holley LS throttle body with a 90mm tapered bore; its smaller listed size suits buyers targeting that configuration.

A 90mm tapered bore defines this Holley EFI LS throttle body, giving buyers a smaller stated opening than the listed 105mm tapered-bore model. The vehicle-specific fit type and stated easy installation help orient buyers toward a compatible application and installation plan.

The 90mm tapered bore gives buyers a concrete size and shape to compare against an LS intake, while the LS title and vehicle-specific fit type signal that application matching matters. Holley also lists easy installation, corrosion resistance and durability as product attributes, which inform practical ownership expectations. The model number is 112-589. The supplied information does not name supported vehicles or provide additional installation steps, so the vehicle-specific designation remains the main fitment guidance.

Skip it if you need a named vehicle application before selecting; Holley 112-583 is another LS throttle body, though its listing also lacks specific vehicle models.

This fits buyers seeking a Holley LS throttle body with a 90mm tapered opening and a vehicle-specific fit designation. Because supported vehicle models are not named in the supplied details, confirm the application through project documentation before choosing.

Listed on Amazon as: Holley EFI Ls Throttle Body, 90Mm W/Tapered Bore

#8

8. Holley MPFI Polished Body

Best for: Holley EFI MPFI System Pairing.

Why it ranks #8: This polished Holley MPFI throttle body is listed as compatible with Holley and other compatible EFI systems, though bore details are not provided.

Compatibility with Holley EFI systems and other compatible EFI systems is the key appeal of this polished Holley MPFI throttle body. Its direct control and manual operation identify how it is specified to operate, while the stated truck and SUV compatibility helps orient buyers choosing an application.

The listed compatibility with Holley EFI and other compatible EFI systems gives buyers a starting point for pairing this MPFI throttle body with an existing setup. Truck and SUV vehicle types are also specified, making its stated application broader than a single named model. Manual operation and direct control clarify the operating arrangement. Holley describes the part as corrosion resistant, made from quality materials, easy to install, durable and long lasting, though detailed fitment dimensions are not supplied.

Skip it if you need a stated bore diameter before choosing a throttle body; Holley 860001-1 specifies a 92mm opening.

This is for truck or SUV owners pairing an MPFI throttle body with a compatible EFI system and preferring the stated manual, direct-control arrangement. The listing gives no bore size, so it offers less sizing detail for airflow matching.

Listed on Amazon as: Holley EFI Mpfi Throttle Body – Polished

#9

9. Holley MPFI Gray Body

• Weight: 4.57 lb

Best for: Hard Core Gray EFI MPFI.

Why it ranks #9: A Holley MPFI throttle body with a hard-core gray finish; the listing provides no bore size or application-specific fitment details.

The Hard Core Gray finish distinguishes this Holley 112-587 EFI MPFI throttle body for buyers seeking that specific appearance in a Holley part. Its listing also identifies corrosion resistance, durable construction and easy installation, providing practical stated attributes beyond the model designation.

Holley identifies this unit as an EFI MPFI throttle body, and the 112-587 model number gives buyers a precise product reference for matching an existing setup. The listing’s corrosion-resistance claim addresses exposure concerns, while its stated durable construction and easy installation speak to ownership and fitting considerations. The Hard Core Gray designation identifies its finish. No bore diameter or specific vehicle fitment is included in the supplied details, limiting size-based application checks.

Skip it if you need a specified bore for intake matching; Holley 112-581 is identified as a 105mm tapered-bore LS throttle body.

This suits buyers seeking the Holley 112-587 EFI MPFI model with a Hard Core Gray finish and the listed durability attributes. Since the supplied details omit bore size and vehicle fitment, it is a less specific choice for sizing.

Listed on Amazon as: Holley 112-587 Throttle Body

#10

10. Holley 112-116 Kit

• Weight: 2.29 lb

Best for: Holley Throttle Body Kit Buyers.

Why it ranks #10: The listing identifies a Holley throttle body kit but supplies little EFI-specific detail, bore information, or application fitment to assess.

The Holley 112-116 is identified as a throttle body kit, giving buyers a Holley-branded option when their project calls for that specific kit model. Its concise listing also supplies compact product dimensions of 8.25 by 9.5 by 4 inches, useful when considering available space.

The product is identified as Holley model 112-116 and titled a throttle body kit, which gives buyers a specific model designation to match against their project documentation. Its listed dimensions of 8.25 x 9.5 x 4 inches and 2.29-pound weight can help with basic handling and space planning. The listing calls it a genuine Holley quality part, but does not state a bore size or application fitment, leaving those selection points unresolved.

Skip it if you need a stated bore size; Holley 112-589 specifies a 90mm tapered-bore LS throttle body.

Consider this when the Holley 112-116 kit model matches your project needs and its listed dimensions suit the available space. The listing omits bore size and application fitment, so it provides limited guidance for airflow and vehicle matching.

Listed on Amazon as: Holley 112-116 Throttle Body Kit, 0-4779