Name: GM Master Line - 21" Pair (-3AN Female to -3AN Female 90 Kit Includes: (2) Braided Hoses, (2) Master Fittings, (2) Prop
Brand: Inline Tube
SKU: MCS21
Price: 70.0 USD
Availability: InStock

Preformed lines
Brake Lines

Fuel Lines

Engine Lines

Trans Cooler Lines

Nylon Fuel Lines

Vehicle Clip Sets
Brake Lines

Inline Tube’s preformed replacement brake lines are engineered from factory original lines and CNC manufactured for precision. All lines are formed utilizing the correct automotive grade, OE or stainless steel tubing and includes the correct style flares and fittings along with the protective wrap, installed on the lines.

Fuel Lines

Inline Tube’s preformed replacement fuel lines are engineered from factory original lines and CNC manufactured for precision. All lines are formed utilizing the correct automotive grade, OE or stainless steel tubing in the correct diameter and includes the correct style flares, fittings and protective wrap, installed on the lines.

Engine Lines

Inline Tube’s preformed replacement engine lines are engineered from factory original lines and CNC manufactured for precision. All lines are formed utilizing the correct automotive grade, OE or stainless steel tubing and includes the correct style flares and fittings where equipped on the lines.

Trans Cooler Lines

Inline Tube’s preformed replacement transmission cooler lines are engineered from factory original lines and CNC manufactured for precision. All lines are formed utilizing the correct automotive grade, OE or stainless steel tubing and includes the correct style flares, fittings and protective wrap, installed on the lines.

Nylon Fuel Lines

Inline Tube’s nylon fuel line kits are engineered to be an easy fix for rusted out factory fuel lines. These kits have all the end fittings, tubing, and straps needed to repair your existing fuel lines and get your vehicle back on the road quickly.

Vehicle Clip Sets

Inline Tube’s replacement clip kits are engineered from factory original clips in the correct shape, style and thickness. All clip kits include all the brake or fuel line clips and mounting hardware needed per application.
Brake Products
Disc Brake Conversion

Drum Brakes

Brake Hoses

Brake Components

Parking Brake Cables

Clips & Clamps
Disc Brake Conversion

Inline Tube’s disc brake conversions offer complete bolt on front and rear disc brake conversions as well as individual components. Our complete conversion kits come with every high quality part needed to upgrade to disc brakes. These same quality caliper brackets, master cylinders, as well as other parts are available separately.

Drum Brakes

Inline Tube carries all the components to get your drum brakes working like new again. We carry everything from the drums to the wheel cylinders, down to every piece to make the system complete. All pieces are available separate, or buy a kit that has it all.

Brake Hoses

Inline Tube stocks hundreds of OEM rubber flex hose applications. All rubber flex hoses are made to factory specifications and are identical to the originals. All hoses are in stock and ready to ship. If you are working on a concourse or factory restoration, these hoses will be a great compliment to Inline Tube's preformed brake line kit.

Brake Components

Inline Tube’s factory replacement brake components are the highest quality reproduction parts on the market. Our factory correct master cylinders, distribution blocks, valves and parts are all made to Inline Tube’s quality standard for factory performance and appearance.

Parking Brake Cables

Inline Tube’s exclusive parking brake cables and kits are the best reproduction cables on the market. All cables include the correct metal housing, rubber dust boots, cable ends, and connection points and are available in factory correct OE steel, or premium stainless steel.

Clips-Clamps

Inline Tube has reproduced over 80 different, hard to find, clips. All these clips are made identical to the factory originals with the correct thickness metal and the exact detail you have come to expect from Inline Tube products. All our clips are made to factory OEM specifications and come in many sizes, shapes and styles.
DIY & Street Rod
Tubing

DIY Plumbing Kits

Tools

Fittings & Adapters

Stainless Braided Hoses

DIY Brake Components
Tubing

Inline Tube’s DIY tubing is available in OE Steel, stainless, or cooper nickel in lengths up to 25 feet. At Inline Tube we bend over a million feet of tube each year, this allows us to specify grade and softness of our tubing from the mill. This means you are getting softened easy to flare and bend tubing and not general off-the-shelf harder specification tube.

DIY Plumbing Kits

Inline Tube’s DIY plumbing kits are offered for factory systems as well as one-off street rods. All kits come with the necessary fittings, clamps, spring wrap, and hardware to plumb a complete brake line system. Inline Tube also offers DIY transmisssion and fuel plumbing kits.

Tools

Inline Tube’s DIY brake line tubing tools are the highest quality tools available. Whether you are a professional using the tools on a daily basis or a DIYer working on personal cars, these heavy duty flare tools, benders, and straighteners will help you get the job done right.

Fittings-Adapters

Inline Tube manufactures over 60 different fitting sizes in both color plated finishes and stainless steel varieties as well as AN fittings, hose fittings, adapters, tees and unions. We have everything you need to complete you DIY or Street Rod brake plumbing project.

Stainless Braided Hoses

Inline Tube’s Power Braid® stainless brake hoses can be made for any application. Whether you are doing a disc brake conversion or regular maintenance, Power Braid stainless hoses will increase your braking performance. All Power Braid hoses are available with a clear or black rubber coating.

DIY Brake Components

Inline Tube’s DIY brake components will help you plumb your custom brake application. Here you can find residual pressure valves, small dual diaphragm brake boosters in chrome or black, adjustable or preset proportioning valves in brass or chrome, or master cylinders in chrome or black.
Restoration Parts
Suspension & Underbody

Engine

Transmission

Exhaust

Body

Firewall & Cowl

Interior & Trunk

Wheels

Individual Fasteners

Paint

Paperwork Decals & Stencils

Plastic Car Covers
Suspension-Underbody

Inline Tube’s restoration parts have been engineered from factory original parts and duplicated to exacting standards. The suspension and underbody category contains products such as body mounts and hardware, control arms and hardware, sway bar, and tie rod.

Engine

Inline Tube’s restoration parts have been engineered from factory original parts and duplicated to exacting standards. The engine category contains products such as head bolts, pulleys, radiator hoses, return springs, and spark plug wire looms.

Transmission

Inline Tube’s restoration parts have been engineered from factory original parts and duplicated to exacting standards. The transmission category contains mounts & hardware, back drive, automatic transmission, and manual transmission parts.

Exhaust

Inline Tube’s restoration parts have been engineered from factory original parts and duplicated to exacting standards. The exhaust category contains complete sets, hangers and clamps, head pipes, mufflers, manifold, and tail pipe.

Body

Inline Tube’s restoration parts have been engineered from factory original parts and duplicated to exacting standards. The body category contains products such as fender and bumper brackets, exterior lighting, emblems, shims, and fuel tank parts.

Firewall-Cowl

Inline Tube’s restoration parts have been engineered from factory original parts and duplicated to exacting standards. The firewall and cowl category contains product such as cowl screens, firewall pads, heater delete plates, steering column plates, and windshield wiper parts.

Interior-Trunk

Inline Tube’s restoration parts have been engineered from factory original parts and duplicated to exacting standards. The interior and trunk category contains products such as seat hardware, spare tire hardware, glove box, package tray, dash and door parts.

Wheels

Inline Tube’s restoration parts have been engineered from factory original parts and duplicated to exacting standards. The wheels category contains center caps, hub caps, lug nuts, stencils, and trim rings.

Individual Fasteners

Inline Tube’s restoration parts have been engineered from factory original parts and duplicated to exacting standards.Here you will find individual head bolts, exhaust manifold bolts, and an assortment of other hardware.

Paint

Inline Tube’s restoration paints have been matched to the factory original colors using a state of the art spectrophotometer. The paint category contains engine paint, wheel paint, interior trunk paint, and primers.

Paperwork-Decals-Stencils

Inline Tube’s restoration parts have been engineered from factory original parts and duplicated to exacting standards. The paperwork category contains assembly manuals, stampers, stencils, decals, and tags.

Plastic Car Covers

Inline Tube's plastic car cover are designed as an economical way to protect your car. These covers work great under your permanent car cover as an additional layer of protection against dirt and dust. These will also serve as temporary protection at outdoor car shows or cruises.
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