HOL-241-292 Holley GM Licensed Valve Cover – Muscle Series – SBC – Center Bolt
Small Block Chevrolet – ZZ6/Vortec – Emissions Provision
Features
- Emissions compliant valve covers include pre-installed internal oil baffles as well as an oil fill plug and PCV grommet
- Features clean, modern styling with high definition “Chevrolet and Bowtie” logo
- Specifically designed for GM ZZ6 engines, but will fit all Small Block Chevy applications with center bolt style cylinder heads (Vortec, ZZ4, ZZ5, ZZ6) – polished mounting hardware included
- Die-cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
- Offered in four unique finishes to fit your style: natural cast aluminum with machined logo (ready for custom paint), polished, satin black with machined logo, and factory orange with machined logo
Holley’s new GM Muscle Series accessories are the latest expansion to our officially licensed GM product line. These die-cast aluminum valve covers and air cleaner kits were designed to have a no-frills, modern style with prominent raised GM “Chevrolet and Bowtie” logos. Intended as an alternative to the existing GM ZZ6 accessories, Holley’s GM Muscle Series dress up accessories can be the perfect addition to your engine bay if you are searching for a subtly custom variation from the OEM options. All GM Muscle Series accessories are available in four custom finishes: natural cast, polished, satin black, and factory orange (all finishes have machined “Chevrolet and Bowtie” logos aside from polished version).
The Small Block Chevy center bolt valve covers (designed to fit Vortec/ZZ4/ZZ5/ZZ6) feature a generous internal height for exceptional valve train clearance and include pre-installed internal baffling, polished mounting hardware, and oil fill / PCV grommets (valve cover gaskets not included).
Attributes:
| Hold Down Tabs Included | No |
| Logo | Chevrolet with Bowtie |
| Material | Cast Aluminum |
| Mounting Hardware Included | Yes |
| Oil Filler Cap Included | No |
| part type | Engine Valve Cover Set |
| Product Type | Valve Cover |
| Style | SBC Center Bolt |
| Sub Category | Cylinder Block Components |
| Valve Cover Gasket Included | No |
| Warranty | Manufacturer’s Limited 90 Day Warranty |
| Application | GM SBC ZZ6/Vortec |
| Baffle Included | Yes |
| Bolt Pattern | Center Bolt |
| Brand | Holley |
| Breather Cap Included | No |
| Breather(s) Included | No |
| Category | Engine |
| Color | Black |
| Construction | Die Cast Aluminum |
| Emission Code | 3 |
| Finish | Black |
| Gaskets Included | No |
| Grade Type | Performance |
| Gromment(s) Included | Yes |
| Hardware Included | Yes |
| Grommets Included | Yes |
| Height | Standard |
Vehicle Applications:
| Make | Model | Years |
| Chevrolet | Blazer | 1987 to 1994 |
| Chevrolet | C1500 Suburban | 1992 to 1999 |
| Chevrolet | C1500 | 1988 to 1999 |
| Chevrolet | C20 | 1987 to 1987 |
| Chevrolet | C2500 Suburban | 1992 to 1999 |
| Chevrolet | C2500 | 1988 to 2000 |
| Chevrolet | C3500 | 1988 to 2000 |
| Chevrolet | C35 | 1987 to 2000 |
| Chevrolet | Camaro | 1987 to 1997 |
| Chevrolet | Caprice | 1987 to 1996 |
| Chevrolet | Corvette | 1987 to 1996 |
| Chevrolet | El Camino | 1987 to 1987 |
| Chevrolet | Express 1500 | 1996 to 2002 |
| Chevrolet | Express 2500 | 1996 to 2002 |
| Chevrolet | Express 3500 | 1996 to 2002 |
| Chevrolet | G10 | 1987 to 1995 |
| Chevrolet | G20 | 1987 to 1995 |
| Chevrolet | G30 | 1987 to 1996 |
| Chevrolet | Impala | 1994 to 1996 |
| Chevrolet | K1500 Suburban | 1992 to 1999 |
| Chevrolet | K1500 | 1988 to 1999 |
| Chevrolet | K2500 Suburban | 1992 to 1999 |
| Chevrolet | K2500 | 1988 to 2000 |
| Chevrolet | K3500 | 1988 to 2000 |
| Chevrolet | Monte Carlo | 1987 to 1988 |
| Chevrolet | P30 | 1997 to 2002 |
| Chevrolet | R10 Suburban | 1987 to 1988 |
| Chevrolet | R10 | 1987 to 1987 |
| Chevrolet | R1500 Suburban | 1989 to 1991 |
| Chevrolet | R20 Suburban | 1987 to 1988 |
| Chevrolet | R20 | 1987 to 1988 |
| Chevrolet | R2500 Suburban | 1989 to 1991 |
| Chevrolet | R2500 | 1989 to 1989 |
| Chevrolet | R30 | 1987 to 1988 |
| Chevrolet | R3500 | 1989 to 1991 |
| Chevrolet | Silverado 2500 | 2001 to 2002 |
| Chevrolet | Silverado 3500 | 2001 to 2002 |
| Chevrolet | Sonora | 2000 to 2002 |
| Chevrolet | Suburban 1500 | 1995 to 2002 |
| Chevrolet | Suburban | 1987 to 1994 |
| Chevrolet | Tahoe | 1995 to 2000 |
| Chevrolet | V10 Suburban | 1987 to 1988 |
| Chevrolet | V10 | 1987 to 1987 |
| Chevrolet | V1500 Suburban | 1989 to 1991 |
| Chevrolet | V20 Suburban | 1987 to 1988 |
| Chevrolet | V20 | 1987 to 1987 |
| Chevrolet | V2500 Suburban | 1989 to 1991 |
| Chevrolet | V30 | 1987 to 1988 |
| Chevrolet | V3500 | 1989 to 1991 |
| GMC | C1500 Suburban | 1992 to 1999 |
| GMC | C1500 | 1988 to 1999 |
| GMC | C2500 Suburban | 1992 to 1999 |
| GMC | C2500 | 1988 to 2000 |
| GMC | C3500 | 1988 to 2000 |
| GMC | Caballero | 1987 to 1987 |
| GMC | G1500 | 1987 to 1995 |
| GMC | G2500 | 1987 to 1995 |
| GMC | G3500 | 1987 to 1996 |
| GMC | Jimmy | 1987 to 1991 |
| GMC | K1500 Suburban | 1992 to 1999 |
| GMC | K1500 | 1988 to 1999 |
| GMC | K2500 Suburban | 1992 to 1999 |
| GMC | K2500 | 1988 to 2000 |
| GMC | K3500 | 1988 to 2000 |
| GMC | R1500 Suburban | 1987 to 1991 |
| GMC | R1500 | 1987 to 1987 |
| GMC | R2500 Suburban | 1987 to 1991 |
| GMC | R2500 | 1987 to 1989 |
| GMC | R3500 | 1987 to 1991 |
| GMC | Savana 1500 | 1996 to 2002 |
| GMC | Savana 2500 | 1996 to 2002 |
| GMC | Savana 3500 | 1996 to 2002 |
| GMC | V1500 Suburban | 1987 to 1991 |
| GMC | V1500 | 1987 to 1987 |
| GMC | V2500 Suburban | 1987 to 1991 |
| GMC | V2500 | 1987 to 1987 |
| GMC | V3500 | 1987 to 1991 |
| GMC | Yukon | 1992 to 2000 |
| Pontiac | Firebird | 1987 to 1997 |
| Pontiac | Grand Prix | 1987 to 1987 |
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