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Kinsler

High Speed By-Pass

$286.10 $214.99 Save $71.11

SKU: K01G 3904

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Kinsler 3904 is a high-speed bypass valve, diaphragm style, complete assembly with restrictor jet provision. It allows for tuning to suit various engines and is adjustable up to 200 psi. It can also be used as a secondary valve. Pills are not included and Hilborn Bypass Pills F565 are recommended.

Fitment

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Specifications

BrandKinsler
Part NumberK01G 3904

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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