Best Brake Booster Delete Kit Alternatives for Classic GM Cars

If you are searching for a brake booster delete kit, note that the products below are not booster-delete plates or manual-brake conversion kits. They are mainly power-brake conversion or replacement parts for classic GM cars. The BST kit is best for specified GM applications needing hydroboost; the JEGS kit is for front-disc/rear-drum systems; and the START kit is for disc/disc setups. Confirm your exact vehicle and brake configuration before ordering.

Product Best suited for Brake setup or purpose
BST Hydro Boost Conversion Kit Specified 1964–1974 GM cars Hydroboost; disc/disc valve
11-Inch Power Brake Booster Kit Specified 1964–1972 GM cars Disc/drum
Dorman Check Valve And Grommets Booster valve replacement Power booster service part
JEGS Power Brake Conversion Kit GM A/F/X-body cars Front disc/rear drum
START Booster/Master Conversion Kit Specified 1967–1972 GM cars Disc/disc

BST Hydroboost Conversion Kit

BST hydroboost power brake conversion kit

This kit is a power-brake conversion, not a booster-delete kit. Its listed components include a hydroboost unit, a 1-inch master cylinder, and a disc/disc proportioning valve. It is listed for 1964–1974 GM A-, F-, and X-body applications, including Chevrolet, Pontiac, Oldsmobile, and Buick models.

Best for: Owners of a listed GM application seeking hydroboost and a disc/disc setup. It was selected because it provides a distinct assist-system option among the listed conversions. Check first: The supplied proportioning valve is specified for disc/disc brakes, so avoid choosing it for a disc/drum configuration without confirming suitability.

11-Inch GM Power Brake Booster Kit

11-inch power brake booster kit with master cylinder

This package pairs an 11-inch power brake booster with a master cylinder and is described for disc/drum brakes. The listed vehicle range is GM A-, F-, and X-body cars from 1964–1972, with examples including Chevelle, El Camino, Malibu, Camaro, and Monte Carlo.

Best for: A buyer restoring power assist on a listed vehicle with a front-disc/rear-drum arrangement. The booster size and system type make it a clear comparison against disc/disc kits. Check first: The listing identifies a specific year and vehicle range; verify the exact application and brake layout before purchase.

Dorman Power Brake Check Valve And Grommets

Dorman power brake check valve and grommets

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This three-piece universal-fit set includes a power brake check valve and grommets. Dorman describes it as a replacement designed to match the original valve’s fit and function on specified vehicles, and says it can restore functionality after the original valve fails.

Best for: Someone addressing a failed booster check valve rather than deleting the booster or converting the whole brake system. It was selected as the closest listed service part for an owner diagnosing a booster-related issue. Check first: “Universal fit” does not establish fitment for every vehicle; compare the part with the original and confirm application details.

JEGS GM Disc/Drum Conversion Kit

JEGS power brake conversion kit for GM cars

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JEGS describes this kit as a conversion from manual brakes to power-assisted brakes for front-disc/rear-drum systems. Its listed GM A/F/X-body applications include selected Chevelle, Malibu, Monte Carlo, Tempest, LeMans, GTO, Cutlass, Skylark, Camaro, Firebird, and Nova models from specified years.

Best for: Owners of listed GM cars who want to add power assist while retaining a disc/drum configuration. It is a useful comparison for buyers who have manual brakes but are not seeking a delete kit. Check first: The stated fitment is limited to named models and years; do not assume all GM vehicles are covered.

START GM Disc/Disc Booster And Master Kit

START booster and master cylinder conversion kit

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This conversion kit is listed for 1967–1972 GM A/F/X-body vehicles, including selected Chevelle, Malibu, Firebird, Camaro, and Nova applications. It includes an 11-inch stamped-steel booster and a cast stamped master cylinder with a 1-1/8-inch bore, and is specifically described for disc/disc brakes.

Best for: A buyer with a listed vehicle and front-and-rear disc brakes who needs a power-brake conversion. The stated bore size and disc/disc use provide comparison points. Check first: It is not presented as a manual-brake delete kit, and its listed application does not cover every model year.

Buying Guide: How To Choose The Right Brake Setup

Do you want to remove the booster or add power assist?

These listings primarily provide power-brake conversions or booster service parts. A true booster-delete setup is a different purchase: confirm that a product specifically supports manual brakes and includes the parts needed for your vehicle. Do not treat a power-booster conversion kit as a delete kit.

Is your car disc/drum or disc/disc?

Match the kit to the actual front and rear brake configuration. The JEGS and 11-inch kits are identified for front-disc/rear-drum use. The BST and START kits are identified for disc/disc applications. A mismatch can mean the components are unsuitable for the intended system.

How should you verify fitment?

Check the exact year, make, model, body series, and brake configuration against the product listing. Also compare included components and specifications, such as the master-cylinder bore where supplied. If your vehicle has modified brakes, use the installed parts—not just the original factory configuration—to guide selection.

When is a service part enough?

A replacement check valve may be relevant when that component has failed, but it is not a complete booster conversion or deletion. Diagnose the cause of a brake concern before replacing parts. Brake-system work affects vehicle safety; have the installation and resulting operation checked by a qualified professional.

Frequently Asked Questions

Is any product here a brake booster delete kit?

No. The listed items are power-brake conversions or a booster check-valve replacement. None is described as a booster-delete or manual-brake conversion kit.

Which listed option is for front-disc/rear-drum brakes?

The JEGS conversion kit and the 11-inch power brake booster kit are both described for disc/drum setups. Confirm fitment for your exact vehicle.

Which options are listed for disc/disc brakes?

The BST hydroboost kit includes a disc/disc proportioning valve, and the START conversion kit is specified for disc/disc applications.

Can I use the Dorman check valve to remove my booster?

No. It is a replacement check valve and grommet set for power-brake booster service, not a booster-delete component.

What should I check before ordering?

Confirm the vehicle year and model, front and rear brake types, and whether you need power assist, a replacement valve, or a manual-brake conversion. Verify any modified-system details before selecting parts.