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MAP Sensor Vacuum Port Block Off Plate Compatible w/ LS3 LSA LS9 LT4 Holley Hi & Lo Ram

Marsoni M251S
Sale price$29.99
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Get it in 3 business days with 1 day shipping. Friday, May 29
MAP Sensor Vacuum Port Block Off Plate Compatible w/ LS3 LSA LS9 LT4 Holley Hi & Lo RamMAP Sensor Vacuum (MAP Sensor) Port Plug Compatible with LS3, LSA, LS9, LT4, Hellcat, Whipple, and Magnuson Superchargers Made in Wichita, Kansas from 6061 T6, USA produced billet aluminum Can be used to plug multiple locations on superchargers or intake manifolds. Caution that typically the front holes on an intake are for the purge solenoid which requires LS part # 551624 or LT part # 551359 Port Center to Hold Down Center: 0. 60" 0. 80" Includes:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 404 reviews
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C
Verified Purchase
Christopher Hudy
Phoenix, US
★★★★★ 5
Easy Install on my headboard frame. Clean product and design.
Color: Black, Size: 10 FT, Color: Black, Size: 10 FT
Amazing product. Installed easily. Love the surge protection as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
A
Verified Purchase
Angelmom
Massapequa, US
★★★★★ 5
Works great and installs easy.
Color: Black, Size: 6 FT
The charger works really well and the a/c outlets work as they should. The install was easy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
J
Verified Purchase
J.W.
Carnegie, US
★★★★★ 5
Well made.
Color: Black, Size: 6 FT
I bought a version this product maybe for years ago. Suffice to say that the outlets were too loose. The plugs rattle around and regularly lost electrical conduct. Not a problem with these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2026
J
Verified Purchase
Jim L.
Lake Worth, US
★★★★★ 4
nice fit and powerful
Color: Black, Size: 6 FT
is pretty powerful
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
I
Verified Purchase
Island Dreaming
New York, US
★★★★★ 5
Great quality
Color: White, Size: 6 FT
Works as anticipated and easy directions to follow
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026

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