• Top Street Performance Chevy Big Block Timing Cover Crankshaft Seal - for street and performance builds
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Top Street Performance

Chevy Big Block Timing Cover Crankshaft Seal

Chevy Big Block Timing Cover Crankshaft Seal

SKU: SP9082

$6.95
$6.95 $7.65
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Out of stock

Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.

Product Details

Features

  • Rubber crankshaft seal for a proper timing cover oil seal
  • 3.008" OD / 2.402" ID fits Chevy Big Block Mark IV applications
  • Correct lip orientation is critical — install per your assembly manual
  • Fits Chevy Big Block Mark IV (396/402/427/454) engines

Description

Replace your Chevy Big Block Mark IV crankshaft seal to help maintain proper sealing at the timing cover and prevent oil leaks. This rubber seal is sized at 3.008" outer diameter, 2.402" inner diameter, and 0.375" thick.

Seal lip orientation matters — install with the lip facing the correct direction per your engine's assembly manual, since improper orientation is a common cause of early seal failure and oil leaks. Sold individually.


Applications
Fits Chevrolet Big Block V8 Gen II (Mark IV): 6.5L/396, 6.6L/402, 7.0L/427, 7.4L/454 in³. Common on Chevelle, Camaro, Nova, C10/C-K trucks, Corvette, Impala, and Caprice big block applications, as well as street, strip, and rebuild builds.

Installation
Install with the seal lip facing the correct direction per your engine's assembly manual — improper orientation is a common cause of early seal failure and oil leaks.

Specs

Outer Diameter 3.008"
Inner Diameter 2.402"
Thickness 0.375"
Material Rubber
Quantity Sold Individually

Engine Fitment

COMPATIBLE WITH
Chevrolet Big Block V8 Gen. II (Mark IV)
• 6.5L / 396 in³
• 6.6L / 402 in³
• 7.0L / 427 in³
• 7.4L / 454 in³

NOTES
Install with the seal lip facing the correct direction per your engine's assembly manual — improper orientation is a common cause of early seal failure and oil leaks.

COMMON VEHICLE APPLICATIONS
Chevrolet Chevelle / Camaro / Nova
Chevrolet C10 / C/K truck applications
Chevrolet Corvette / Impala / Caprice
Big block Chevy street, strip, and rebuild applications

Q&A

What material is this seal made from?
Rubber.

What are this seal's dimensions?
3.008" outer diameter, 2.402" inner diameter, and 0.375" thick.

Does it matter which way the seal lip faces during installation?
Yes. Seal orientation is important for proper sealing. Install the seal in the correct direction according to your engine's service or assembly instructions to help prevent oil leaks and premature seal failure.

Will this fit a Big Block Chevy 454?
Yes. The 454 is covered under Chevrolet Mark IV Big Block applications, along with the 396, 402, and 427.

Does this come with the timing cover?
No. This listing is for the crankshaft seal only. The timing cover is sold separately.

How many seals come in this listing?
One. This crankshaft seal is sold individually.

Emissions Notice

This product does not affect vehicle emissions and is not subject to emissions compliance regulations.