For GM LS1/LS6 Applications, Trussed Design
Each valley cover is custom machined for either LS1/LS6 (10 bolt) or LS2/LS3/LS7/LSX (11 bolt) patterns and Holley / Mr. Gasket offers all the necessary gaskets and upgraded hardware options to complete your installation. The new LS valley covers with oil fill provisions are available in three unique finishes: natural billet (clear anodized for protection), polished billet, and black anodized billet.
Each valley cover is custom machined for either LS1/LS6 (10 bolt) or LS2/LS3/LS7/LSX (11 bolt) patterns and Holley / Mr. Gasket offers all the necessary gaskets and upgraded hardware options to complete your installation. The new LS valley covers with oil fill provisions are available in three unique finishes: natural billet (clear anodized for protection), polished billet, and black anodized billet.
- Precision manufactured from billet aluminum with a modern, race inspired, trussed design
- Available for GM LS1/LS6 (10 bolt) and LS2/LS3/LS7/LSX (11 bolt) engine applications
- Features integrated oil fill neck with included billet aluminum oil fill cap (Holley P/N 241-225)
- Smooth underside allows for elimination of Displacement-On-Demand (DOD)* and offers ample gasket sealing surface
- All necessary gaskets and upgraded mounting hardware sold separately
- Available in three unique finishes: natural billet (clear anodized for protection), polished billet, and black anodized billet
Information:
*If using for DOD Delete you must drill and tap all 8 oil port holes 1/8-NPT and install plugs in the oil ports or loss of oil pressure will occur.Application Summary:
| Year | Make/Model |
|---|---|
| 2004-2007 | Buick Rainier |
| 2004-2006 | Cadillac CTS |
| 2002-2006 | Cadillac Escalade |
| 2003-2006 | Cadillac Escalade ESV |
| 2002-2006 | Cadillac Escalade EXT |
| 2007 | Chevrolet Avalanche |
| 2002-2006 | Chevrolet Avalanche 1500 |
| 1998-2002 | Chevrolet Camaro |
| 1997-2006 | Chevrolet Corvette |
| 2003-2007 | Chevrolet Express 1500 |
| 2003-2007 | Chevrolet Express 2500 |
| 2003-2007 | Chevrolet Express 3500 |
| 2006-2009 | Chevrolet Impala |
| 2006-2007 | Chevrolet Monte Carlo |
| 1999-2007 | Chevrolet Silverado 1500 |
| 2007 | Chevrolet Silverado 1500 Classic |
| 2007 | Chevrolet Silverado 1500 HD Classic |
| 1999-2005 | Chevrolet Silverado 2500 |
| 2001-2007 | Chevrolet Silverado 2500 HD |
| 2007 | Chevrolet Silverado 2500 HD Classic |
| 2001-2006 | Chevrolet Silverado 3500 |
| 2007 | Chevrolet Silverado 3500 Classic |
| 2007 | Chevrolet Silverado 3500 HD |
| 2003-2006 | Chevrolet SSR |
| 2000-2006 | Chevrolet Suburban 1500 |
| 2000-2006 | Chevrolet Suburban 2500 |
| 2000-2006 | Chevrolet Tahoe |
| 2006-2008 | Chevrolet Trailblazer |
| 2003-2006 | Chevrolet Trailblazer EXT |
| 2005-2006 | GMC Envoy |
| 2003-2006 | GMC Envoy XL |
| 2004-2005 | GMC Envoy XUV |
| 2003-2007 | GMC Savana 1500 |
| 2003-2007 | GMC Savana 2500 |
| 2003-2007 | GMC Savana 3500 |
| 2007 | GMC Sierra |
| 1999-2007 | GMC Sierra 1500 |
| 2007 | GMC Sierra 1500 Classic |
| 2001-2003 | GMC Sierra 1500 HD |
| 2005-2006 | GMC Sierra 1500 HD |
| 2007 | GMC Sierra 1500 HD Classic |
| 1999-2004 | GMC Sierra 2500 |
| 2001-2007 | GMC Sierra 2500 HD |
| 2007 | GMC Sierra 2500 HD Classic |
| 2001-2006 | GMC Sierra 3500 |
| 2007 | GMC Sierra 3500 Classic |
| 2007 | GMC Sierra 3500 HD |
| 2000-2006 | GMC Yukon |
| 2000-2006 | GMC Yukon XL 1500 |
| 2000-2006 | GMC Yukon XL 2500 |
| 2003-2007 | Hummer H2 |
| 2003-2006 | Isuzu Ascender |
| 1998-2002 | Pontiac Firebird |
| 2005-2008 | Pontiac Grand Prix |
| 2004-2006 | Pontiac GTO |
| 2005-2006 | Saab 9-7x |
| Attributes | |
| Application | LS1/LS6, LS1/LS6 |
| Baffle Included | No, No |
| Baffled | No |
| Bolt Pattern | 11, 11 |
| Brand | Holley, Holley |
| California Proposition 65 | No |
| Category | Engine |
| Configuration | One Piece |
| Country of Origin (Primary) | CN |
| Emission Code | 4, 4, Off Road |
| Finish | Black Anodized, Anodized Black |
| Gasket Or Seal Included | No |
| Gaskets Included | No, No |
| Grade Type | Performance |
| Harmonized Tariff Code (Schedule B) | 8708990011 |
| Hazardous Material Code | N |
| Life Cycle Status Code | Available to Order |
| Logo | Trussed, No Logo, Trussed, No Logo |
| Material | Billet Aluminum, Billet Aluminum |
| Mounting Hardware Included | No, No |
| Mounting Hole Quantity | 10 |
| NAFTA Preference Criterion Code | B |
| Oil Fill Cap Included | Yes, Yes |
| Oil Filler Cap Included | Yes |
| Part Type | Valley Pan Cover |
| Product Type | Valley Covers, Valley Covers |
| SDR Required Flag | N |
| Style | Trussed, Trussed |
| Sub Category | Gaskets and Sealing Systems |
| Warning | California Proposition 65, California Proposition 65 |
| Warranty | Limited 90 Day, Manufacturer's Limited 90 Day Warranty |
| GTIN | 00090127024591 |