HOL-241-297 Holley LS Valve Cover Adapter Plates
Small Block Chevy to LS – Black Finish
Features
- Allows installation of LS style valve covers onto Chevy small block engines
- Includes all mounting hardware that allows mounting of three different generations of coil packs
- Available in three finishes (Natural Cast, Black Painted, and Polished Finish)
- Constructed of Cast Aluminum
Product Video – YouTube
Holley’s new cast aluminum LS valve cover adapter plates offer an innovative way to add the vintage styling cues of a 1958-1986 Small Block Chevy perimeter bolt valve cover to your modern GM LS engine.
These adapter plates feature an integrated oil fill and are pre-threaded for PCV ventilation fittings. Simply install the LS valve cover adapter plate onto your GM LS1, LS2, LS3, LS6, or LS7 engine to serve as your true valve cover, install the coil packs on top and route the wiring harness and spark plug wires into their designated locations, and use a perimeter bolt SBC valve cover of your choice to hide the unsightly coils without the need for any coil relocation and retention of all the benefits of OE style coil-on-plug mounting.
Attributes:
| Hardware Included | Yes |
| Hold Down Tabs Included | No |
| Internal Height | 1.208″ |
| Logo | None |
| Material | Cast Aluminum |
| Mounting Hardware Included | Yes |
| Oil Fill | No |
| Oil Fill Cap Included | No |
| Oil Filler Cap Included | No |
| Overall Height | 1.385″ |
| Overall Height | 1.385 |
| part type | Engine Valve Cover Set |
| Product Type | Valve Cover Adapter Plates |
| Quantity | Pair |
| Style | SBC to LS Adapter |
| Sub Category | Cylinder Block Components |
| Type of Component | Adapter Plate |
| Valve Cover Gasket Included | No |
| Warranty | Manufacturer’s Limited 90 Day Warranty |
| Application | SBC to LS Engines |
| Baffle Included | No |
| Bolt Pattern | Center Bolt |
| Brand | Holley |
| Breather Cap Included | No |
| Breather(s) Included | No |
| Category | Engine |
| Coil Mounting Studs | Yes |
| Coil Options | with Coil Stands |
| Color | Black |
| Construction | Die Cast Aluminum |
| Emission Code | 4 |
| Finish | Black |
| Gaskets Included | No |
| Grade Type | Performance |
| Gromment(s) Included | Yes |
| Grommets Included | Yes |
Vehicle Applications:
| Make | Model | Years |
| Buick | LaCrosse | 2008 to 2009 |
| Buick | Rainier | 2004 to 2007 |
| Cadillac | CTS | 2004 to 2015 |
| Cadillac | Escalade ESV | 2003 to 2006 |
| Cadillac | Escalade EXT | 2002 to 2006 |
| Cadillac | Escalade | 2002 to 2013 |
| Chevrolet | Avalanche 1500 | 2002 to 2006 |
| Chevrolet | Avalanche | 2007 to 2013 |
| Chevrolet | Camaro | 1998 to 2015 |
| Chevrolet | Caprice | 2011 to 2017 |
| Chevrolet | Colorado | 2009 to 2012 |
| Chevrolet | Corvette | 1997 to 2013 |
| Chevrolet | Express 1500 | 2003 to 2014 |
| Chevrolet | Express 2500 | 2003 to 2017 |
| Chevrolet | Express 3500 | 2003 to 2017 |
| Chevrolet | Impala | 2006 to 2009 |
| Chevrolet | Monte Carlo | 2006 to 2007 |
| Chevrolet | SS | 2014 to 2017 |
| Chevrolet | SSR | 2003 to 2006 |
| Chevrolet | Silverado 1500 Classic | 2007 to 2007 |
| Chevrolet | Silverado 1500 HD Classic | 2007 to 2007 |
| Chevrolet | Silverado 1500 | 1999 to 2007 |
| Chevrolet | Silverado 2500 HD Classic | 2007 to 2007 |
| Chevrolet | Silverado 2500 HD | 2001 to 2017 |
| Chevrolet | Silverado 2500 | 1999 to 2017 |
| Chevrolet | Silverado 3500 Classic | 2007 to 2007 |
| Chevrolet | Silverado 3500 HD | 2007 to 2017 |
| Chevrolet | Silverado 3500 | 2001 to 2017 |
| Chevrolet | Suburban 1500 | 2000 to 2014 |
| Chevrolet | Suburban 2500 | 2000 to 2013 |
| Chevrolet | Suburban 3500 HD | 2016 to 2017 |
| Chevrolet | Suburban | 2014 to 2017 |
| Chevrolet | Tahoe | 2000 to 2014 |
| Chevrolet | Trailblazer EXT | 2003 to 2006 |
| Chevrolet | Trailblazer | 2006 to 2009 |
| GMC | Canyon | 2009 to 2012 |
| GMC | Envoy XL | 2003 to 2006 |
| GMC | Envoy XUV | 2004 to 2005 |
| GMC | Envoy | 2005 to 2009 |
| GMC | Savana 1500 | 2003 to 2014 |
| GMC | Savana 2500 | 2003 to 2017 |
| GMC | Savana 3500 | 2003 to 2017 |
| GMC | Sierra 1500 Classic | 2007 to 2007 |
| GMC | Sierra 1500 HD Classic | 2007 to 2007 |
| GMC | Sierra 1500 HD | 2001 to 2006 |
| GMC | Sierra 1500 | 1999 to 2014 |
| GMC | Sierra 2500 HD Classic | 2007 to 2007 |
| GMC | Sierra 2500 HD | 2001 to 2017 |
| GMC | Sierra 2500 | 1999 to 2004 |
| GMC | Sierra 3500 Classic | 2007 to 2007 |
| GMC | Sierra 3500 HD | 2007 to 2017 |
| GMC | Sierra 3500 | 2001 to 2006 |
| GMC | Sierra | 2007 to 2007 |
| GMC | Yukon XL 1500 | 2000 to 2014 |
| GMC | Yukon XL 2500 | 2000 to 2013 |
| GMC | Yukon | 2000 to 2014 |
| Hummer | H2 | 2003 to 2009 |
| Hummer | H3 | 2008 to 2010 |
| Isuzu | Ascender | 2003 to 2006 |
| Pontiac | Firebird | 1998 to 2002 |
| Pontiac | G8 | 2008 to 2009 |
| Pontiac | GTO | 2004 to 2006 |
| Pontiac | Grand Prix | 2005 to 2008 |
| Saab | 9-7x | 2005 to 2009 |
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