10 Best Sbc Polyurethane Motor Mounts of 2025

Tested and Reviewed: Top 10 Sbc Polyurethane Motor Mounts deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

GSKMOTOR

Polyurethane Motor Engine Mounts Bracket for Small & Big Block Chevy SBC BBC 350 - Black/Pair

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Editor's bottom line:

“This sbc polyurethane motor mounts is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Fitment:Fit for Small & Big block Chevy motor mounts; Great for stock and high performance engines; 2-9/16" between mounting frame tower mounting tabs.
Wide Compatibility:FITMENT for Corvette; for Camaro; for Trans Am; for Firebird; for Bel-Air; for Biscayne; for Impala; for Caprice; for El Camino; for Chevelle; for Nova ; for Chevy II ... many different makes and models; Replaces O.E. part numbers: 3990914 3960768 6258154
Listing Includes:1 PAIR Polyurethane Motor Engine Mounts Bracket.Replaces OE Part Numbers:3990914 3960768 6258154
Premium Quality:Made from Polyurethane with zinc plated steel construction, strong and sturdy; Reinforcement plates includes for extra height and strength if needed
Aftermarket Service:GSKMOTOR specializes in providing high-performance repair and replacement parts for various automobiles, we support 30 days returns and exchanges. If you have any questions, please feel free to contact us, we will solve it for you as soon as possible, customer satisfaction is our unremitting pursuit.

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Picked by 397 people today

9.5

LOSTAR

LOSTAR Pair(2) 3474 Engine Motor Mounts SBC BBC Compatible with 383/400/396/427/454 Chevy Engines

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Main Highlights

Made from high-quality materials for ultimate durability and great performance meets or exceeds OEM standard. Brand new with good performance.
Compatibility: Compatible with 283 305 327 350 383 400 396 427 454 Engines
Package Includes: 2 x Engine Motor Mounts
Replacement OEM ( Original Equipment Part) Number: 3474*2
1 Year Unlimited-mileage Quality Guarantee

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9.5

YUCHENSHLP

YUCHENSHLP 1 Pair Black Polyurethane Motor Engine Mounts Bracket for Small & Big Block Chevy SBC BBC 350

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Main Highlights

Fitment2-9/16" between mounting frame tower mounting tabsFit for Small & Big block Chevy motor mounts; Great for stock and high performance engines.
Wide CompatibilityFits for Corvette; for Camaro; for Trans Am; for Firebird; for Bel-Air; for Biscayne; for Impala; for Caprice; for El Camino; for Chevelle; for Nova ; for Chevy II ... many different makes and models.
Replaces OE Part Numbers3990914 3960768 6258154
Premium QualityMade from Polyurethane with zinc plated steel construction, strong and sturdy; Reinforcement plates includes for extra height and strength if needed
Aftermarket ServiceYUCHENSHLP brand is a professional auto parts seller,backed by team of engineers and quality control experts in the United States. If you have any questions, please feel free to let us help you solve them. Thanks!

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9.2

GSKMOTOR

Polyurethane Motor Engine Mounts Bracket for Small & Big Block Chevy SBC BBC 350 -RED/Pair

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Main Highlights

Fitment:Fit for Small & Big block Chevy motor mounts; Great for stock and high performance engines;2-9/16" between mounting frame tower mounting tabs.
Wide Compatibility:FITMENT for Corvette; for Camaro; for Trans Am; for Firebird; for Bel-Air; for Biscayne; for Impala; for Caprice; for El Camino; for Chevelle; for Nova ; for Chevy II ... many different makes and models; Replaces O.E. part numbers: 3990914 3960768 6258154
Listing Includes:1 PAIR Polyurethane Motor Engine Mounts Bracket.Replaces OE Part Numbers:3990914 3960768 6258154
Premium Quality:Made from Polyurethane with zinc plated steel construction, strong and sturdy; Reinforcement plates includes for extra height and strength if needed
Aftermarket Service:GSKMOTOR specializes in providing high-performance repair and replacement parts for various automobiles, we support 30 days returns and exchanges. If you have any questions, please feel free to contact us, we will solve it for you as soon as possible, customer satisfaction is our unremitting pursuit.

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9.0

Energy Suspension

Energy Suspension 3.1114G Zinc Plated Engine Mount for GM

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Main Highlights

High quality
High performance
Professional products
Hyper-Flex replacement polyurethane components stand up well to contaminants that often destroy rubber and have been engineered to give longer-lasting performance and not compress permanently

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8.8

Energy Suspension

Energy Suspension 3.1116R Clam Shell Type Engine Mount for GM

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Main Highlights

High quality
High performance
Professional products
Hyper-Flex replacement polyurethane components stand up well to contaminants that often destroy rubber and have been engineered to give longer-lasting performance and not compress permanently

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8.6

TAKPART

A Pair Polyurethane Motor Engine Mounts Bracket Black Compatible for Small & Big Block Chevy Engine SBC BBC 350

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Main Highlights

Fits many different makes and models, fits for Corvette; for Camaro; for Trans Am; for Firebird; for Bel-Air; for Biscayne; for Impala; for Caprice; for El Camino; for Chevelle; for Nova ; for Chevy II, etc.
Replaces OE Part NO.3990914 3960768 6258154
Good quality, resistant to oil, chemicals and road contaminants that typically deteriorate rubber.
6-month warranty.If you are not satisfied, 100% refund in 30 days from the day you place the order.

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8.3

TAKPART

A Pair Polyurethane Motor Engine Mounts Bracket Red Compatible for Small & Big Block Chevy Engine SBC BBC 350

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Main Highlights

Fits many different makes and models, fits for Corvette; for Camaro; for Trans Am; for Firebird; for Bel-Air; for Biscayne; for Impala; for Caprice; for El Camino; for Chevelle; for Nova ; for Chevy II, etc.
Replaces OE Part NO.3990914 3960768 6258154
Good quality, resistant to oil, chemicals and road contaminants that typically deteriorate rubber.
6-month warranty.If you are not satisfied, 100% refund in 30 days from the day you place the order.

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8.1

SHLPDFM

1 Pair SHLPDFM Black Polyurethane Motor Mounts Engine zinc Plated Steel 3990914 3960768 6258154 Comptible with Small Big Block Chevy SBC BBC 350 454

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Main Highlights

Special Fits for Small and Big Block Chevy engines.Also fits Corvette,Camaro,Caprice,Chevelle,Bel-Air,Biscayne,Trans Am,Firebird,Impala,El Camino,Nova
Replaces O.E. part numbers: 3990914 3960768 6258154
Features a Black polyurethane construction,Specially deigned to be much stronger than OE rubber mounts,They are tough like solid metal mounts without the vibration and noise.
2-9/16" between mounting frame tower mounting tabs.
Limits unwanted movement thereby putting more power to the wheels

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8.1

YUCHENSHLP

YUCHENSHLP 1 Pair Red Polyurethane Motor Engine Mounts Bracket for Small & Big Block Chevy SBC BBC 350

Free Shipping

Main Highlights

Fitment2-9/16" between mounting frame tower mounting tabsFit for Small & Big block Chevy motor mounts; Great for stock and high performance engines.
Wide CompatibilityFits for Corvette; for Camaro; for Trans Am; for Firebird; for Bel-Air; for Biscayne; for Impala; for Caprice; for El Camino; for Chevelle; for Nova ; for Chevy II ... many different makes and models.
Replaces OE Part Numbers3990914 3960768 6258154
Premium QualityMade from Polyurethane with zinc plated steel construction, strong and sturdy; Reinforcement plates includes for extra height and strength if needed
Aftermarket ServiceYUCHENSHLP brand is a professional auto parts seller,backed by team of engineers and quality control experts in the United States. If you have any questions, please feel free to let us help you solve them. Thanks!

Show Price

Our Best Overall Choice

Best Choice

9.7

GSKMOTOR

Polyurethane Motor Engine Mounts Bracket for Small & Big Block Chevy SBC BBC 350 - Black/Pair

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Fitment:Fit for Small & Big block Chevy motor mounts; Great for stock and high performance engines; 2-9/16" between mounting frame tower mounting tabs.
Wide Compatibility:FITMENT for Corvette; for Camaro; for Trans Am; for Firebird; for Bel-Air; for Biscayne; for Impala; for Caprice; for El Camino; for Chevelle; for Nova ; for Chevy II ... many different makes and models; Replaces O.E. part numbers: 3990914 3960768 6258154
Listing Includes:1 PAIR Polyurethane Motor Engine Mounts Bracket.Replaces OE Part Numbers:3990914 3960768 6258154
Premium Quality:Made from Polyurethane with zinc plated steel construction, strong and sturdy; Reinforcement plates includes for extra height and strength if needed
Aftermarket Service:GSKMOTOR specializes in providing high-performance repair and replacement parts for various automobiles, we support 30 days returns and exchanges. If you have any questions, please feel free to contact us, we will solve it for you as soon as possible, customer satisfaction is our unremitting pursuit.

Show Price

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