Fittings Hoses and Valves› Fittings and Plugs
Big End Performance
#4 GAUGE SUPPLY LINE KIT 72IN
SKU: B01B 15122
Moderate — 2–4 hours
Description
The kit includes various fittings such as a 1/8 in. NPT to 1/4 in. NPT adapter bushing, and -4AN male to 1/8 in. NPT fittings. It is rated to 3,000 psi and comes with all necessary fittings.
Fitment
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Specifications
| Brand | Big End Performance |
| Part Number | B01B 15122 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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