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Gen 5 L83 L86 LT1 Cylinder Head to LT4 Tall Supercharger Adapter Plates Intake

Marsoni M251S
Sale price$366.98
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Get it in 3 business days with 1 day shipping. Friday, May 29
Gen 5 L83 L86 LT1 Cylinder Head to LT4 Tall Supercharger Adapter Plates IntakeLT Cylinder Heads to LT4 Supercharger Adapter Plates Compatible with: 2014 and newer V8 LT series engines Includes: 2 adapter plates (2 1 2" thick) with 8 O ring seals, 10 adapter to head bolts, and 10 supercharger to adapter bolts Tall design allows the LT4 supercharger to clear the factory L83 L86 water pump Made in Wichita, Kansas from aerospace grade, USA produced billet aluminum *not compatible with 2019 and newer truck water pumps (these pumps
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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 ★★★★★
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A
Verified Purchase
Austin Williams
Natrona Heights, US
★★★★★ 5
Great bang for your buck!
Swapped out my old impeller and this helped fix my overheating issue. Super high quality, fit like a glove. If you know what you’re doing it’ll take you an hour tops. Super solid for the price! Fit into my 1990 alpha one gen 1 outdrive on my 4.3 Mercruiser.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 22, 2025
J
Verified Purchase
Jesse Simpson
San Leandro, US
★★★★★ 4
Decent Kit
It's a pretty decent kit. Comes with all the lower unit options whether yours needs that particular part or not.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 22, 2025
E
Verified Purchase
Eli
Natrona Heights, US
★★★★★ 5
Alpha one gen I
Good fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
H
Verified Purchase
Hank
Lake Worth, US
★★★★★ 5
Quality for the price
All necessary parts good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
A
Verified Purchase
Amazon Customer
Omaha, US
★★★★★ 5
quality
prefect fit, best pricing over local outlets wanting twice as much
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026

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