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BBC Billet 3/8" Valve Cover Spacer

In stock
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Valve Cover Spacer Compatible with Big Block Chevy 

Used to raise valve covers for valve train clearance

  • Includes: 2 spacers, and mounting hardware
  • Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum
  • Not compatible with 8.1L 8100 vortec big block heads

These will require a gasket and/or sealer on both sides of the spacer

More Information

Bullet Point 1 Compatible with big block Chevy valve cover spacers
Manufacturer Part Number 551640-3
UPC 656729842294
Weight 3.000000
ICT Manufacturer ICT Billet
United States United States
Length Inches 22
Width Inches 7
Height Inches 1

WARNING - This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to


ALUMINUM: Most of the aluminum alloys used today contain some level of lead, usually less than .1%. Lead is known to the state of California to cause cancer and reproductive harm. Most aluminum alloys are physiologically inert in their solid form, and the lead is contained within, however user-generated dust and/or fumes may pose a hazard if inhaled or ingested. Heating beyond a certain temperature may also provide avenues for exposure.


STEEL (steel bolts):  Steel is an iron alloy with several metals including Nickel and Chromium. Both Nickel and Chromium are known to the State of California to cause cancer and reproductive harm, respectfully. This warning applies to stainless steels as well.