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Product Summary

366, 396, 402, 427, 454, 496, 502, 572, Aluminum

  • Fits 396, 402, 427, and 454 big block Chevy engines
  • Precision manufactured with knock-out plugs for stock PCV (smog Control) and oil fill installations
  • Steel core valve cover gaskets won't tear or collapse and improves seal
  • Wing nuts feature premium chrome plating and classic styling
  • Complete installation kit includes gaskets and wing nut fasteners

Comes as a Kit

Key Specs

BrandHolley
Valve Cover HeightStock
Valve Cover Mounting StylePerimeter Bolt
Material TypeAluminum
FinishPolished

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Details

Top off your Big Block Chevy with these classic styled finned valve covers.  Complete installation kit includes gaskets and wing nut fasteners.

Kit Includes:

  • (1) Holley 241-84 BB Chevy M/T Valve Covers Pair, Polished, Cast Aluminum
  • (1) Big Block Chevy Steel Core Valve Cover Gaskets Set
  • (14) Chrome Valve Cover Wing Nuts

 

Holley 241-84 BB Chevy M/T Valve Covers

  • Precision manufactured with knock-out plugs for stock PCV (smog Control) and oil fill installations
  • Top cover surface may be used for engraving your name horizontally
  • Deep heat dissipating fins
  • Cast aluminum construction for even gasket sealing
  • Polished aluminum
  • Will NOT clear roller rockers

NOTE: Verify internal clearances if using non-standard valve train components.

 

Big Block Chevy Steel Core Valve Cover Gaskets

  • Premium quality big block Chevy (BBC) valve cover gaskets
  • Made with a stainless steel frame sandwiched between durometer-tested neoprene rubber
  • Eliminates leakage caused by internal pressure fluctuations
  • Steel core valve cover gaskets won't tear or collapse
  • Steel core improves seal
  • Reusuable
  • .175" thick

 

Chrome Valve Cover Wing Nuts

  • Premium chrome plating and classic styling make this hold down the first choice of rodders everywhere
  • Wing nut threads are extra-long to accommodate nearly any combination of valve cover, clamps and gasket thickness
  • Just cut off to length you need
  • Wing nut has 1/4" coarse threads
  • Overall Width: 2.375"
  • Overall Diameter: 0.375"
  • Overall Length: 5.208"
  • Thread Length: .900"

 

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Specifications

KEY SPECS
BrandHolley
Valve Cover HeightStock
Valve Cover Mounting StylePerimeter Bolt
Material TypeAluminum
FinishPolished
GENERAL
Speedway Motors Catalog Part #910-9122
Valve Cover Top StyleFinned
BaffledYes
Breathers IncludedNo
Gaskets IncludedYes
Grommets IncludedNo
Hardware IncludedYes
Sold in QuantityKit