Holley EFI Systems Wiring Harnesses

Marsoni

M251S

$283.98

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

Holley EFI Systems Wiring HarnessesThis part is legal for sale or use on Racing Use Only Vehicles The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street. This harness is designed for LS1 6 Engines, from 1997 2004. This harness interfaces with 24x Crank and 1x Cam sensors.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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We have used this for the longest time because me and my middle child have an allergy to chemical sunscreens. I remember last summer the formula was slightly more greasy but I preferred that. While I do like how protected my skin is (we haven’t burned at all even with the new formula, even after swimming for hours and not reapplying) it is extremely drying to where my skin looks like it’s cracking and feels very hard to wash off. Like I can still feel it on my skin after showering. May try a different one :/ super bummed! I feel like it is also hard to rub on skin because it absorbs so fast.

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Reviewed in the United States on May 30, 2026