21 Greatest Adjustable Proportioning Valves

 

NEW CHROME POWER BRAKE BOOSTER AND POLISHED WILWOOD MASTER CYLINDER SET WITH ADJUSTABLE PROPORTIONING VALVE FOR 70-81 CAMARO FIREBIRD 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980
NEW CHROME POWER BRAKE BOOSTER AND POLISHED WILWOOD MASTER CYLINDER SET WITH ADJUSTABLE PROPORTIONING VALVE FOR 70-81 CAMARO, FIREBIRD, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980
NEW CHROME POWER BRAKE BOOSTER AND POLISHED WILWOOD MASTER CYLINDER SET WITH ADJUSTABLE PROPORTIONING VALVE FOR 70-81 CAMARO, FIREBIRD, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980 - New chrome 8″ dual diaphragm power brake booster and polished aluminum tandem chamber master cylinder set for 1970, 1981 gm f-body cars. Fits | chevrolet > 1970-1981 camaro | pontiac > 1970-1981 firebird. Stainless steel fluid tubes > precision bent with preinstalled stainless tube nuts for a simple bolt-on installation > mounting bracket > black e-coating will give years of durable, rust-free performance | stainless steel button head bolts. Includes | southwest speed chrome power brake booster (sws # 300-7963) > 8″ dual diaphragm booster > deep chrome finish gives it that show-car look that is guaranteed to catch the eye of the most discriminating enthusiasts. Southwest speed booster mounting bracket set (sws # 300-7906) > brackets to mount the booster directly to the firewall on the applications listed | wilwood polished master cylinder and proportioning valve set (# 261-13270-p) > polished tandem chamber master cylinder > 1 1/8″ bore cylinder > adjustable combination proportioning valve.

 

Baer Brakes 2000035 Knob Style Adjustable Proportioning Valve
Baer Brakes 2000035 Knob Style Adjustable Proportioning Valve
Baer Brakes 2000035 Knob Style Adjustable Proportioning Valve - Brake part oem replacements various makes and models proportioning valve adjustable. Designed for dual bowl master cylinders. Distribution block connects to the master cylinder and distributes brake fluid to all four wheels. Adjustable proportioning valve regulates rear brake pressure, helping to maintain correct brake bias between front and rear brakes. Includes wiring pigtail for rear brake light switch.

 

NEW WILWOOD POLISHED ALUMINUM REMOTE RESEVOIR TANDEM CHAMBER MASTER CYLINDER WITH ADJUSTABLE PROPORTIONING VALVE MOUNTING BRACKET LINES DUAL OUTLET CYLINDER 1 18 BORE GREAT FOR USE W BOOSTER
NEW WILWOOD POLISHED ALUMINUM REMOTE RESEVOIR TANDEM CHAMBER MASTER CYLINDER WITH ADJUSTABLE PROPORTIONING VALVE, MOUNTING BRACKET, & LINES, DUAL OUTLET CYLINDER, 1 1/8″ BORE GREAT FOR USE W/ BOOSTER
NEW WILWOOD POLISHED ALUMINUM REMOTE RESEVOIR TANDEM CHAMBER MASTER CYLINDER WITH ADJUSTABLE PROPORTIONING VALVE, MOUNTING BRACKET, & LINES, DUAL OUTLET CYLINDER, 1 1/8″ BORE GREAT FOR USE W/ BOOSTER - Includes | polished tandem chamber remote master cylinder > 1 1/8″ bore cylinder without without the push rod > includes reservoirs, caps, clamps, bolts, hoses, etc to mount the reservoirs remotely. Combination proportioning valve > simplifies mounting, fluid circuit plumbing, brake light wiring, and brake bias adjustments on modified, custom built, or competition vehicles equipped with brake system upgrades > maintains full separation between the front and rear fluid circuits when used with tandem outlet or dual mount master cylinder assemblies > bias proportioning adjustment is provided in the rear fluid circuit. The front circuit has a single inlet and two outlets for optional line routing > a fluid port with a pressure switch responds instantly to pressure in the front fluid circuit for brake light activation > a wiring pigtail with a protective boot is included with the switch > diagram shown in the images. Stainless steel fluid tubes > precision bent with preinstalled stainless tube nuts for a simple bolt-on installation | mounting bracket > black e-coating will give years of durable, rust-free performance | stainless steel button head bolts. New wilwood polished aluminum remote reservoir tandem chamber master cylinder (1 1/8″ bore) and wilwood combination proportioning valve with mounting bracket and lines (wilwood part # 261-14252-p).

 

Speedway Motors Polished Adjustable Proportioning Valve Block for 316 Brake Line
Speedway Motors Polished Adjustable Proportioning Valve Block for 3/16 Brake Line
Speedway Motors Polished Adjustable Proportioning Valve Block for 3/16 Brake Line - 910-31358 instructions (pdf) learn more about how adjustable proportioning valves work by reading our tech article.  The distribution block connects to the master cylinder and distributes brake fluid to all four wheels.  It is designed for dual bowl master cylinders. Brake system selection.  Mounts to any convenient location.  This is not a direct factory replacement for original blocks.   It has two inlets from the master cylinder, two outlets to the front brakes and one outlet to the rear brakes.  Some line modifications may be necessary.  This dramatically reduces the amount of fittings needed and potential leaks.  An easy to turn handle with directional arrows makes it simple to either increase or decrease rear brake pressure. The block accepts 3/16″ brake lines and the inlets and outlets on this unit are 3/8″-24 inverted flare females.   It includes five stainless steel 3/16″ fittings and wiring pigtail for rear brake light switch. What is neat about it is that it also contains the proportioning valve and brake light switch. The adjustable proportioning valve regulates rear brake pressure, helping to maintain correct brake bias between front and rear brakes. This adjustable proportioning block allows you to run lines from the master cylinder to the block and then to the appropriate wheels.

 

Adjustable Brake Proportioning Valve Red Dial Hot Rod
Adjustable Brake Proportioning Valve Red Dial Hot Rod
Adjustable Brake Proportioning Valve Red Dial Hot Rod - Hot rod universal adjustable proportioning valve with 3/8-24 iff fitting size professional installation is highly recommended (no instruction included).

 

GPS Automotive FC0002HK - Hydraulic Kit - Power Brakes 7 Zinc Booster Cast Iron Master Cylinder Adjustable Proportioning Valve Auto Trans
GPS Automotive FC0002HK – Hydraulic Kit – Power Brakes 7″ Zinc Booster Cast Iron Master Cylinder Adjustable Proportioning Valve Auto Trans
GPS Automotive FC0002HK – Hydraulic Kit – Power Brakes 7″ Zinc Booster Cast Iron Master Cylinder Adjustable Proportioning Valve Auto Trans - This kit allows you to upgrade your factory single bowl manual brake car to dual bowl manual brakes in no time. In this kit you receive the brake lines necessary to route from the new master cylinder to your factory 3 port distribution block. This adjustable valve allows you to fine tune the amount of pressure your rear brakes receive in order to prevent rear wheel lockup. Upgrade your car to a 1″ dual bore master cylinder with our quick install kit. A great kit with a factory look and easy installation.

 

Wilwood 260-10922 Adjustable Proportioning Valve
Wilwood 260-10922 Adjustable Proportioning Valve
Wilwood 260-10922 Adjustable Proportioning Valve - Proportioning valve, knob adjust, 3/8-24 if inlet & outlet -.

 

E-6-6 Adjustable Proportioning Valve Distribution Block Disc Drum Brake Street Rod BLK
(E-6-6) Adjustable Proportioning Valve Distribution Block Disc Drum Brake Street Rod BLK
(E-6-6) Adjustable Proportioning Valve Distribution Block Disc Drum Brake Street Rod BLK - Inline tube makes brake line sets that fit this valve set up for 1955-57 chevy 1958-64 chevrolet, impala 1965-66 chevrolet, impala 1964-72 chevelle, gto, 442, gs 1967-69 camaro / firebird 1964-67 chevrolet nova 1968-74 nova, ventura, omega, apollo 1967-72 chevy and gmc trucks 1960-66 chevy and gmc trucks the adjustable valve is typically used to decrease the pressure to the rear brakes. It comes with the 3/8-24 common fittings, 3/8-24 inverted flare fittings to connect to brake lines. When converting to a dual master or disc brakes the rear drums require less pressure and this valve is put in the front to rear brake line to reduce the pressure to the rear brakes. This valve can be mounted any where in the system and has everything built into one valve for front and rear brakes with the adjustable function to the rear brakes and the brake light switch built right into the valve. This can be mounted to either of inline tubes valve brackets that place it below the master as shown or on the side of it. This can also be used to adjust individual front wheel braking in circle track applications. Disc brake adjustable conversion to disc brake proportioning valve. 1pc. It can also be used in the front brake lines to reduce pressure. Pressure adjustments range 100-1000 psi and provide for a maximum decrease of 57% in line pressure. This adjustment lets you fine tune the front to rear braking balance by proportionately decreasing the rear (or in some cases the front) brake line pressure.

 

GPS Automotive FC0002-3405A - Power Conversion Kit with 9 Black Booster Cast Iron MC Adjustable Proportioning Valve - Automatic Transmission
GPS Automotive FC0002-3405A – Power Conversion Kit with 9″ Black Booster Cast Iron M/C Adjustable Proportioning Valve – Automatic Transmission
GPS Automotive FC0002-3405A – Power Conversion Kit with 9″ Black Booster Cast Iron M/C Adjustable Proportioning Valve – Automatic Transmission - All components used in these kits are new high quality, precision machined products. This kit is an easy installation mounting to all factory mounting locations. Add the safety, reliability and performance of disc brakes to your vehicle with our drum to power disc brake conversion. A great kit with a factory look and easy installation note fits 67-69 v8 drum brake spindles. In this kit you receive everything you need to mount factory style 4 piston disc brakes to the original drum brake spindles currently on your vehicle.

 

Adjustable Proportioning Valve Block Brake Distribution System Black
Adjustable Proportioning Valve Block, Brake Distribution System, Black
Adjustable Proportioning Valve Block, Brake Distribution System, Black - All ports are 3/8″-24 inverted flare female. Dramatically reduces the amount of fittings needed and potential leaks. Contains both the proportioning valve and brake light switch.

 

Adjustable Proportioning Valve Block Brake Distribution System-Chrome
Adjustable Proportioning Valve Block, Brake Distribution System-Chrome
Adjustable Proportioning Valve Block, Brake Distribution System-Chrome - Contains both the proportioning valve and brake light switch. Dramatically reduces the amount of fittings needed and potential leaks. All ports are 3/8″-24 inverted flare female.

 

Ecklers Premier Quality Products 57132446 Chevy Brake Line Prebent Front Use With Power Brakes Adjustable Proportioning Valve
Eckler’s Premier Quality Products 57132446 Chevy Brake Line Prebent Front Use With Power Brakes & Adjustable Proportioning Valve
Eckler’s Premier Quality Products 57132446 Chevy Brake Line Prebent Front Use With Power Brakes & Adjustable Proportioning Valve - Replacement line. Chevy brake line, prebent, front, use with power brakes & adjustable proportioning valve, 1955-1957.

 

Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve
Speedway Compact Adjustable Brake Proportioning Valve -  Can be used as full shut-off valverated to 2000 psiflows 3 gpminlet  1/8″ npt portoutlet  1/8″ npt portlearn more about how adjustable proportioning valves work by reading our tech article. Very compact, can be hidden in cars that do not allow adjustable proportioning valves. Installs in rear brake line and allows you to adjust front-to-rear brake bias to prevent rear brake lock-up under heavy braking. Brake system selection. Color reference scale on valve stem allows fast, accurate setting.

 

NEW CHROME POWER BRAKE BOOSTER POLISHED WILWOOD MASTER CYLINDER SET WITH ADJUSTABLE PROPORTIONING VALVE FOR 1967 - 1972 GM A-BODY 1967 - 1969 GM F-BODY 1967 1968 1969 1970 1971 1972 CHEVELLE EL CAMINO MONTE CARLO MALIBU REGAL SKYLARK CUTLAS
NEW CHROME POWER BRAKE BOOSTER & POLISHED WILWOOD MASTER CYLINDER SET WITH ADJUSTABLE PROPORTIONING VALVE FOR 1967 – 1972 GM A-BODY, 1967 – 1969 GM F-BODY, 1967, 1968, 1969, 1970, 1971, 1972 CHEVELLE, EL CAMINO, MONTE CARLO, MALIBU, REGAL, SKYLARK, CUTLAS
NEW CHROME POWER BRAKE BOOSTER & POLISHED WILWOOD MASTER CYLINDER SET WITH ADJUSTABLE PROPORTIONING VALVE FOR 1967 – 1972 GM A-BODY, 1967 – 1969 GM F-BODY, 1967, 1968, 1969, 1970, 1971, 1972 CHEVELLE, EL CAMINO, MONTE CARLO, MALIBU, REGAL, SKYLARK, CUTLAS - Installation instructions can be found in the product description below. Fits | chevrolet 1967, 1972 chevelle, el camino, malibu, and monte carlo 1967, 1969 camaro | buick 1967, 1972 regal, skylark, special, and sportwagon | oldsmobile 1967, 1972 cutlass, 4-4-2, f85, and vista cruiser | pontiac 1967, 1972 lemans, grand prix, gto, and tempest 1967, 1969 firebird. Wilwood combination proportioning valve details | simplifies mounting, fluid circuit plumbing, brake light wiring, and brake bias adjustments on modified, custom built, or competition vehicles equipped with brake system upgrades | maintains full separation between the front and rear fluid circuits when used with tandem outlet or dual mount master cylinder assemblies | bias proportioning adjustment is provided in the rear fluid circuit | the front circuit has a single inlet and two outlets for optional line routing | a fluid port with a pressure switch responds instantly to pressure in the front fluid circuit for brake light activation a wiring pigtail with a protective boot is included with the switch | diagram shown in the images. Wilwood aluminum tandem chamber master cylinder details | wilwood tandem chamber master cylinders represent the latest refinements in brake pressure actuation and fluid control the exclusive wilwood features incorporated in this innovative and unique new design make it the perfect choice for a wide range of custom manual or power brake applications | high-pressure die casting of a premium alloy produces a high-capacity body that is lightweight, looks great, and has the durability for competition a black anodized, machined billet lid captures a pressure balanced bellows gasket with 100% sealing against moisture invasion or fluid leakage the mounting flange is slotted to accommodate installation on bolt centers between 322″ and 340″ that makes it a simple bolt-on to many oe mounts including the popular chrysler, corvette, gm, and ford mustang master cylinder bolt patterns | the body also features two through-hole mounts on 640″ centers for side mounting to frame members or other secure elements of the chassis each master cylinder is configured with full separation between the front and rear reservoir chambers and fluid outlets there is pressure access on both sides of the piston bore for right or left hand plumbing based on mount location a total piston stroke of 110″ is distributed at a 21 volume ratio between the primary and secondary chambers | diagram shown in the images. Brand new chrome 11″ power brake booster and polished aluminum tandem chamber master cylinder set for 1967-1972 gm a-body and 1967-1969 gm f-body cars includes | southwest speed chrome power brake booster (# 300-7975) 11″ single diaphragm, delco-moraine style booster includes the brackets to bolt directly to the firewall on the applications listed below deep chrome finish gives it that show-car look that is guaranteed to catch the eye of the most discriminating enthusiasts includes clevis, push rod extension, nuts, washers, & dust boot | wilwood polished master cylinder & proportioning valve set (# 261-13270-p) polished tandem chamber master cylinder 1 1/8″ bore cylinder | adjustable combination proportioning valve | stainless steel fluid tubes precision bent with preinstalled stainless tube nuts for a simple bolt-on installation | mounting bracket black e-coating will give years of durable, rust-free performance | stainless steel button head bolts.

 

Black Adjustable Proportioning Valve Block for 316 Brake Line
Black Adjustable Proportioning Valve Block for 3/16 Brake Line
Black Adjustable Proportioning Valve Block for 3/16 Brake Line - All ports are 3/8″-24 inverted flare female. Dramatically reduces the amount of fittings needed and potential leaks. Contains both the proportioning valve and brake light switch.

 

MBM-PVC-C-Adjustable Proportioning Valve  Distribution Block
MBM-PVC-C-Adjustable Proportioning Valve + Distribution Block
MBM-PVC-C-Adjustable Proportioning Valve + Distribution Block - Distribution block connects to master cylinder and distributes brake fluid to all four wheels includes five stainless steel fittings for 3/16″ brake line, brake light switch and wiring pigtailchrome also available in black. Adjustable proportioning valve and distribution block all in one features a rotary adjustment to regulate rear brake pressure and help maintain correct brake bias between front and rear.

 

Wilwood 260-8420 Adjustable Proportioning Valve Lever
Wilwood 260-8420 Adjustable Proportioning Valve Lever
Wilwood 260-8420 Adjustable Proportioning Valve Lever - Wilwood 260-8420 brake proportioning valve proportioning valve 3/8 in inverted flare female inlet/outlet fittings adjustable 100-1000 psi lever type.

 

GPS Automotive FC1002-F05 - Manual Conversion Kit with Chrome Aluminum Flat Top MC Adjustable Proportioning Valve
GPS Automotive FC1002-F05 – Manual Conversion Kit with Chrome Aluminum Flat Top M/C Adjustable Proportioning Valve
GPS Automotive FC1002-F05 – Manual Conversion Kit with Chrome Aluminum Flat Top M/C Adjustable Proportioning Valve - Add the safety, reliability and performance of disc brakes to your vehicle with our drum to disc brake conversion. In this kit you receive everything you need to mount single piston disc brakes to the control arms of your vehicle. All components used in these kits are new high quality, precision machined products.

 

NEW CHROME POWER BRAKE BOOSTER POLISHED WILWOOD MASTER CYLINDER SET WITH ADJUSTABLE PROPORTIONING VALVE FOR 1955 - 1964 CHEVY 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 150 210 BEL AIR NOMAD SEDAN DELIVERY DEL RAY BISCAYNE BROOKW
NEW CHROME POWER BRAKE BOOSTER & POLISHED WILWOOD MASTER CYLINDER SET WITH ADJUSTABLE PROPORTIONING VALVE FOR 1955 – 1964 CHEVY, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964 150, 210, BEL AIR, NOMAD, SEDAN DELIVERY, DEL RAY, BISCAYNE, BROOKW
NEW CHROME POWER BRAKE BOOSTER & POLISHED WILWOOD MASTER CYLINDER SET WITH ADJUSTABLE PROPORTIONING VALVE FOR 1955 – 1964 CHEVY, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964 150, 210, BEL AIR, NOMAD, SEDAN DELIVERY, DEL RAY, BISCAYNE, BROOKW - Fits | chevrolet | 1955, 1957 chevy 150 | 1955, 1957 chevy 210 | 1955, 1957 chevy bel air | 1955, 1957 chevy nomad | 1955, 1957 chevy sedan delivery | 1957 chevy del ray | 1959, 1964 chevy bel air | 1959, 1964 chevy biscayne | 1959, 1961 chevy brookwood | 1959, 1960 chevy el camino | 1959, 1964 chevy impala. Wilwood aluminum tandem chamber master cylinder details | wilwood tandem chamber master cylinders represent the latest refinements in brake pressure actuation and fluid control the exclusive wilwood features incorporated in this innovative and unique new design make it the perfect choice for a wide range of custom manual or power brake applications | high-pressure die casting of a premium alloy produces a high-capacity body that is lightweight, looks great, and has the durability for competition a black anodized, machined billet lid captures a pressure balanced bellows gasket with 100% sealing against moisture invasion or fluid leakage the mounting flange is slotted to accommodate installation on bolt centers between 322″ and 340″ that makes it a simple bolt-on to many oe mounts including the popular chrysler, corvette, gm, and ford mustang master cylinder bolt patterns | the body also features two through-hole mounts on 640″ centers for side mounting to frame members or other secure elements of the chassis each master cylinder is configured with full separation between the front and rear reservoir chambers and fluid outlets there is pressure access on both sides of the piston bore for right or left hand plumbing based on mount location a total piston stroke of 110″ is distributed at a 21 volume ratio between the primary and secondary chambers | diagram shown in the images. Wilwood combination proportioning valve details | simplifies mounting, fluid circuit plumbing, brake light wiring, and brake bias adjustments on modified, custom built, or competition vehicles equipped with brake system upgrades | maintains full separation between the front and rear fluid circuits when used with tandem outlet or dual mount master cylinder assemblies | bias proportioning adjustment is provided in the rear fluid circuit | the front circuit has a single inlet and two outlets for optional line routing | a fluid port with a pressure switch responds instantly to pressure in the front fluid circuit for brake light activation a wiring pigtail with a protective boot is included with the switch | diagram shown in the images. Brand new chrome 8″ dual diaphragm power brake booster and polished aluminum tandem chamber master cylinder set for the applications listed below | includes | southwest speed chrome power brake booster (# 300-7963) 8″ dual diaphragm booster deep chrome finish gives it that show-car look that is guaranteed to catch the eye of the most discriminating enthusiasts | southwest speed booster mounting bracket set (# 300-7910) brackets to mount the booster directly to the firewall on the applications listed below | wilwood polished master cylinder & proportioning valve set (# 261-13270-p) polished tandem chamber master cylinder 1 1/8″ bore cylinder | adjustable combination proportioning valve | stainless steel fluid tubes precision bent with preinstalled stainless tube nuts for a simple bolt-on installation | mounting bracket black e-coating will give years of durable, rust-free performance | stainless steel button head bolts. Installation instructions can be found in the product description below.

 

MACs Auto Parts 28-73878 Adjustable Proportioning Valve Universal Ford
MACs Auto Parts 28-73878 Adjustable Proportioning Valve, Universal, Ford
MACs Auto Parts 28-73878 Adjustable Proportioning Valve, Universal, Ford - The easy to turn handle makes it simple to either increase or decrease rear brake pressure. Adjustable in-line brake proportioning valve regulates rear brake pressure a necessary component for disc brake conversions this adjustable, anodized proportioning valve regulates rear brake pressure, helping to maintain correct brake bias between front and rear brakes. Aproportioning valve is necessary for all disc brake conversions, and having an adjustable one allows you the ability to regulate the rear brake pressure for the best possible performance. This new valve is compatible with 3/16″ and 1/4″ brake lines.

 

GPS Automotive FC0002-405 - Manual Conversion Kit with Cast Iron MC Adjustable Proportioning Valve
GPS Automotive FC0002-405 – Manual Conversion Kit with Cast Iron M/C Adjustable Proportioning Valve
GPS Automotive FC0002-405 – Manual Conversion Kit with Cast Iron M/C Adjustable Proportioning Valve - In this kit you receive everything you need to mount factory style 4 piston disc brakes to the original drum brake spindles currently on your vehicle. A great kit with a factory look and easy installation note fits 67-69 v8 drum brake spindles. All components used in these kits are new high quality, precision machined products. Add the safety, reliability and performance of disc brakes to your vehicle with our drum to manual disc brake conversion. This kit is a direct bolt on with no cutting, drilling or welding required.





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