1965-1974 Corvette C2-C3 PCV Valve Cover Grommet Big Block 3989347

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Item ID: 605-369

GM Part #: 3989347

Availability: In Stock - Ships today if ordered by 3 PM CT
Only 3 Left, Order Soon!

Fits Years:

1965-1967
1968-1974

$7.99

Sale Price! was $11.99

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Description

1965-1974 C2-C3 PCV Valve Cover Grommet Big Block 3989347 - OEM Number(s) (3989347)

Seal up your big block PCV system the right way with this rubber PCV valve cover grommet for 1965–1974 C2 and C3 Corvettes. Whether you're restoring a 396, 427, or 454-powered car, this exact-fit grommet ensures proper seating of the PCV valve while preventing vacuum leaks, oil blow-by, or unsightly movement at the valve cover opening.

Features
     • Fits 396, 427, and 454ci big block Corvette valve covers
     • OEM-style fit for PCV valve hole in valve cover
     • Measures 1-3/8" outer diameter x 11/16" inner diameter x 5/8" tall
     • Designed for 1-3/16" valve cover hole, 1/4" panel thickness
     • High-quality rubber construction
     • Direct replacement for GM part number 3989347
     • Sold individually – 2 required per Corvette

Applications
     • 1965 Corvette – 396 Big Block
     • 1966–1969 Corvette – 427 Big Block
     • 1970–1974 Corvette – 454 Big Block

Because Details Matter
From correct fitment to proper sealing, these PCV grommets are essential for big block engine performance and engine bay appearance. Don’t let worn or aftermarket parts compromise your build—our reproduction grommets meet factory specs for a tight, clean install.