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Bulkhead Fittings 101: When and Why You Need One

Bulkhead Fittings 101: When and Why You Need One

Short answer: a bulkhead fitting lets a brake line pass through a panel, a firewall, frame rail, or chassis bracket, while giving the line a solid, supported anchor point right where it crosses. It’s the difference between a line that’s properly secured at...
How to Bleed Brakes Solo with a Bleeder Buster Kit

How to Bleed Brakes Solo with a Bleeder Buster Kit

Short answer: a stuck or rounded-off bleed screw doesn’t have to mean a new caliper. A dedicated bleed-screw removal tool grips or drives out a screw that’s seized or already had its hex rounded off by a wrench, which is one of the most common ways a...
What Size Copper Washer Do I Need for My Banjo Bolt?

What Size Copper Washer Do I Need for My Banjo Bolt?

Short answer: match the washer’s inner diameter to the banjo bolt’s shaft, not to the fitting or the port. It’s the one measurement that actually determines fit, everything else about the washer is close to standard. Why copper, and why crush Copper...
Single Flare vs Double Flare: What’s the Difference?

Single Flare vs Double Flare: What’s the Difference?

Short answer: for SAE brake line, use double flare, the tube end is folded over on itself to double the wall thickness at the sealing surface, which is what a brake fitting is actually designed to clamp against. Single flare is a different, thinner shape used on other...
How to Flare Brake Line: A Step-by-Step Guide

How to Flare Brake Line: A Step-by-Step Guide

Short answer: cut square, deburr, run the flare nut on first, then flare in stages with the right die for your fitting standard. Skipping any one of those four steps is where most home-built brake lines go wrong. Know your flare standard before you start Not all...
Banjo Bolt Sizes Explained: How to Measure Yours

Banjo Bolt Sizes Explained: How to Measure Yours

Short answer: measure the threaded shaft, not the head. Banjo bolts get sold and searched by thread diameter and pitch, things like M10 x 1.0 or 7/16 x 20 UNF, and that number describes the threads that go into the caliper, wheel cylinder, or master cylinder port, not...