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Holley

HOLLEY SBC Muscle Series Valve Covers (pair)

MPN: 241-134 Catalog #: 001509321 Category: Valve Covers Check Vehicle Fitment

Product Details

Valve Cover - Muscle Series - Stock Height - Baffled - Finned - Holley Logo - Aluminum - Natural - Small Block Chevy - Kit

Muscle Series Valve Cover Set; Perimeter Bolts; Finned; Natural Finish; Incl. Oil Fill Cap;

Standard Replacement Paper Gasket, Fits All Holley Bowl Screws. Holley(R) has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR(R) Sprint(R) Cup team and nearly every NHRA(R) Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers(R), Flowtech(R) Exhaust, NOS(R) Nitrous, Weiand(R), Earl's Performance Plumbing(R), or Diablosport(R) - Holley products can give you the edge you need over the competition.

DETAILS:

Part Number 241-134 SPECS:

DETAILS:

  • Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle
  • Engine Valve Cover Set
  • Muscle Series Valve Cover Set
  • Die-Cast Aluminum Reduces Warping Of Valve Cover Flange/Oil Leaks
  • Standard Height Valve Cover w/Pre-Installed Internal Oil Baffles
  • SBC MUSCLE SERIES VALVE COVERS;FINNED;NA
  • Valve Cover Set

Part Number 241-134 SPECS:

  • Baffle Included: Yes
  • Bolt Pattern: Perimeter
  • Breather(s) Included: No
  • Cylinder Head Type: Standard
  • Engine Make/Size: Chevy Small Block (262-400)
  • Finish: Natural
  • Gasket Or Seal Included: No
  • Grommets Included: Yes - OEM style square with 3/4 PCV and breather tube hole
  • Material: Cast Aluminum
  • Mounting Hardware Included: No
  • Valve Cover Style: Tall
  • WARNING CA Proposition 65: No

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Engine Compatibility

GM - LSMatched variant: LS

GM Gen III/IV V8; LS1/LS2/LS3/LS6/LS7/LS9/LSA/LSX

GM - SBCMatched variant: SBC

Small Block Chevy; 265–400ci

Fitment note: Engine compatibility is provided as a guide. Please verify all fitment details before ordering.

Product Specs

Brand
Holley
Part Number
241-134
Catalog Number
001509321
Product Line
Valve Covers
Category
Engines & Parts
Type
Valve Covers
UPC / Barcode
090127731086
Length
23.00 in
Width
14.00 in
Height
4.00 in
Weight
7.13 lb
Ship Alone
Yes
Air Restricted
No

Shipping & Availability

Current status 2 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

Inventory shown: 2 available as of 6/3/2026.

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