Brake Lines (2025-2026)
CONTEXT YOU NEED BEFORE YOU PROCEED:
3AN = “3” indicates a tube outside diameter of 3/16 in. and AN comes from the universal Army Navy standard for fittings. It also has a corresponding male thread size of 3/8-24.
1/8 NPT = 1/8 NPT refers to a National Pipe Tapered thread, a US standard for threaded pipes and fittings, where "1/8" is the nominal (not actual) pipe size, meaning it connects to fittings with roughly a 3/8-inch outside diameter (OD) for male threads, using a 60-degree taper for a pressure-tight seal with sealant (like Teflon tape). These fittings are common in pneumatic, hydraulic, and plumbing systems for secure, leak-resistant connections, with 1/8-27 threads per inch.
M10 = Metric 10mm diameter
FRONT CALIPERS
Summary of how everything connects:
Soft line from right master cylinder goes to a 4 WAY JUNCTION. The soft line ends as a female 3AN and will need a 3AN male to male adapter to connect the junction which has 4 Female 3AN ports. Two soft lines will come out of the 4 WAY JUNCTION and also need the same 3AN male-male adapter. The left hard line will go to the left, front caliper (same for right). Finally, the last port of the junction will be used for the sensor. The sensor has a male 1/4NPT end and will need an adapter. The adapter from the junction to the sensor is a 3AN male to 1/4NPT Female adapter.
BACK CALIPERS
Summary of how everything connects:
Soft line comes into a 3 WAY FITTING that has two male 3AN ends and one female 3AN end. Soft line comes out of the 3 WAY FITTING to the caliper. 3AN male to 1/4NPT female goes into the 3AN female end of the 3 WAY FITTING. The pressure sensor then fits into this adapter with its male 1/4NPT end.
OTHER IMPORTANT COMPONENTS
Soft line coming from the left master cylinder will switch to hard line around the area of the pedal box plate. We will need a female to hardline fitting here. This hard line will then switch back to soft line around the rear part of the frame to connect to the brake caliper. Hard line coming from the hand brake will switch to soft line somewhere around the rear area of the frame to connect to the rear caliper. We will need the female to hardline fitting here again.
Component | Link | Amount needed |
|---|---|---|
4 Way Junction | 1 | |
Pressure Sensor | 2 | |
3AN Male to 1/4 NPT Female adapter | https://www.racetronix.biz/p/adapter-3-an-jic-male-to-1-4-npt-female-black/adf-03j14fpt | 2 |
3 Way Fitting | https://www.racetronix.biz/p/tee-sos-3-an-jic-male-female-swivel-black/fit-498201 | 1 |
3AN male to male adapter | 3 | |
Reservoirs | 3 | |
Hose for Reservoirs | 2 | |
Soft Lines | 2 x 50” 4 x 15” | |
Hard Lines | 1 x 25' | |
Female to HardLine Fitting | 3 | |
Brake Fluid | 1 | |
Worm Clamps for Hose |
| 1 |
Banjo Bolts | https://www.racetronix.biz/p/adapter-banjo-90-m102-3-an-jic-male-ss/bja900310 | 4 |
Crush Washers | tbd | 8 |
[fittings for master cylinder to soft line connections] | tbd | tbd |
PSA: I AM NOT AN EXPERT