Fuel Pressure External Regulator Bypass Plug w/ Gauge for LS1 Intake Manifold Rail

Fuel Pressure External Regulator Bypass Plug w/ Gauge for LS1 Intake Manifold Rail

Marsoni

M251S

$30.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Fuel Pressure External Regulator Bypass Plug w/ Gauge for LS1 Intake Manifold RailBypass plug with integrated port for fuel pressure monitoring or sensors This bypass plug is designed to replace the factory fuel pressure regulator on LS1 intake manifold rails when using an external fuel pressure regulator. Unlike standard plugs, this version includes a 1 8" NPT threaded port to allow installation of a fuel pressure gauge or sensormaking it ideal for tuning or diagnostics. Compatible with 19972006 5. 7L LS1 engines. Includes 1 plug

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Reviewed in the United States on October 3, 2025

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Erika C.

Fort Morgan, US

★★★★★ 1

Does not spray

Size: 5 Ounce (Pack of 2)

Does not spray!!! This is the second set I purchased and I have had issues that I was unable to spray with 3 of the 4 bottles. Was incredibly inconvenient when we brought a new bottle on vacation and it didn't work. Company would not send a replacement - only a physical coupon. I cannot find the sunscreen in stores and the coupon only covers about half a new bottle.

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Reviewed in the United States on December 10, 2025

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Mubearbeats

Dallas, US

★★★★★ 5

Favorite sunscreen

Size: 5 Ounce (Pack of 2)

Hands down best sunscreen ever! It’s easy to apply and smells great. Keeps the kids protected from Sunburn

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Reviewed in the United States on July 5, 2024

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