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1977-1990 6th Gen B-Body LS Engine Mount Kit

Marsoni M251S
Sale price$109.00
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1977-1990 6th Gen B-Body LS Engine Mount Kit1977 1990 5th Gen B Body LS Engine Mount Kit Allows the installation of an LS engine in place of a small or big block engine Used to swap an "LS" series (Gen III & IV) engine into the vehicles listed below Retains the factory SBC crankshaft and bellhousing locations so there is no need to modify the transmission tunnel, driveshaft, or linkages This kit includes OE style rubber mounts (attaches to frame) and the upper engine side mounts package
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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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4.3 ★★★★★
Based on 215 reviews
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Shadetree
Waukegan, US
★★★★★ 5
Like it came from the factory
Color: 2024-2025 Black
The texture and color matches the factory interior and the shape and size of the handle is a mirror image of the passenger handle from the factory. Installation is quick and easy - it takes only five minutes. Great product!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
R
Verified Purchase
Randall S Jackson
Lowell, US
★★★★★ 5
JUST RIGHT
Color: 2024-2025 Black
PERFECT FIT WORKS AS ADVERTISED
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
J
Verified Purchase
Jose uribe
San Leandro, US
★★★★★ 4
No encaja exactamente
Color: 2024-2025 Black
No encaja exactamente
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Reviewed in the United States on January 28, 2026
S
Verified Purchase
SAW
Grantham, US
★★★★★ 5
Fit and finish is great.
Color: 2024-2025 Black, Color: 2024-2025 Black
Looks just like the passenger side so now the cab looks submetrical. Only wish they were true grab handles but it is strong and secure. I did remove my stock speaker cover that has the JBL logo and placed it on the UltraEra pillar. Some work was involved.
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Reviewed in the United States on April 20, 2026
J
Verified Purchase
Juan A Gonzalez Skerrett
Draper, US
★★★★★ 5
El consumidor
Color: 2024-2025 Black
Le quedó fenomenal a una Tacoma Sport, 2025
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Reviewed in the United States on May 5, 2026

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