Chevrolet Gen III/IV LS - Cast Aluminum - Coil-Mounting Base & Integrated Coil Cover
Each 2-Piece LS valve cover set includes a low-profile billet oil fill cap, hardware and spacers for mounting both versions of LS coil bodies, and 12-point dress up hardware and rubber grommets for the coil covers. These modular LS valve covers will be offered in 5 unique finishes: natural cast, polished, satin black, factory orange, and gloss red (black, factory orange and gloss red sets feature machined fins). Polished and black versions coming soon.
Each 2-Piece LS valve cover set includes a low-profile billet oil fill cap, hardware and spacers for mounting both versions of LS coil bodies, and 12-point dress up hardware and rubber grommets for the coil covers. These modular LS valve covers will be offered in 5 unique finishes: natural cast, polished, satin black, factory orange, and gloss red (black, factory orange and gloss red sets feature machined fins). Polished and black versions coming soon.
- Cast aluminum 2-Piece LS valve covers designed to mount and hide both Gen I and Gen V style LS coil bodies
- Retain the performance of factory coil-on-cover ignition without the unsightly styling
- Base fits LS1, LS2, LS3, LS6 and LS7 engines
- Base features internally baffled ventilation system
- Clearance for .750” lift cam with stock style rocker arms
- Coil cover features Holley vintage style fins and cast-in wiring provisions
- No coil relocation, wire harness extensions, or custom spark plug wires required
- Includes low-profile billet oil fill cap
- Includes all necessary coil mounting and dress-up hardware
Information:
The OE Camaro and Corvette accessory brackets may need to be clearanced when installing Holley 2-Piece LS and Tall LS valve covers and coils.Application Summary:
| Year | Make/Model |
|---|---|
| 2008-2009 | Buick LaCrosse |
| 2004-2007 | Buick Rainier |
| 2004-2007 | Cadillac CTS |
| 2009-2015 | Cadillac CTS |
| 2002-2013 | Cadillac Escalade |
| 2003-2006 | Cadillac Escalade ESV |
| 2002-2006 | Cadillac Escalade EXT |
| 2007-2013 | Chevrolet Avalanche |
| 2002-2006 | Chevrolet Avalanche 1500 |
| 1998-2002 | Chevrolet Camaro |
| 2010-2015 | Chevrolet Camaro |
| 2011-2017 | Chevrolet Caprice |
| 2009-2012 | Chevrolet Colorado |
| 1997-2013 | Chevrolet Corvette |
| 2003-2014 | Chevrolet Express 1500 |
| 2003-2017 | Chevrolet Express 2500 |
| 2003-2017 | 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 |
| 2014-2017 | Chevrolet Silverado 2500 |
| 2001-2017 | Chevrolet Silverado 2500 HD |
| 2007 | Chevrolet Silverado 2500 HD Classic |
| 2001-2006 | Chevrolet Silverado 3500 |
| 2013 | Chevrolet Silverado 3500 |
| 2016-2017 | Chevrolet Silverado 3500 |
| 2007 | Chevrolet Silverado 3500 Classic |
| 2007-2017 | Chevrolet Silverado 3500 HD |
| 2014-2017 | Chevrolet SS |
| 2003-2006 | Chevrolet SSR |
| 2014-2017 | Chevrolet Suburban |
| 2000-2014 | Chevrolet Suburban 1500 |
| 2000-2013 | Chevrolet Suburban 2500 |
| 2016-2017 | Chevrolet Suburban 3500 HD |
| 2000-2014 | Chevrolet Tahoe |
| 2006-2009 | Chevrolet Trailblazer |
| 2003-2006 | Chevrolet Trailblazer EXT |
| 2009-2012 | GMC Canyon |
| 2005-2009 | GMC Envoy |
| 2003-2006 | GMC Envoy XL |
| 2004-2005 | GMC Envoy XUV |
| 2003-2014 | GMC Savana 1500 |
| 2003-2017 | GMC Savana 2500 |
| 2003-2017 | GMC Savana 3500 |
| 2007 | GMC Sierra |
| 1999-2014 | 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 |
| 2001-2017 | GMC Sierra 2500 HD |
| 2007 | GMC Sierra 2500 HD Classic |
| 2001-2006 | GMC Sierra 3500 |
| 2007 | GMC Sierra 3500 Classic |
| 2007-2017 | GMC Sierra 3500 HD |
| 2000-2014 | GMC Yukon |
| 2000-2014 | GMC Yukon XL 1500 |
| 2000-2013 | GMC Yukon XL 2500 |
| 2003-2009 | Hummer H2 |
| 2008-2010 | Hummer H3 |
| 2003-2006 | Isuzu Ascender |
| 1998-2002 | Pontiac Firebird |
| Attributes | |
| Application | GM LS Engines, GM LS Engines |
| Baffle Included | Yes, Yes |
| Bolt Pattern | Center Bolt |
| Brand | Holley, Holley |
| Breather(s) Included | No, No |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Category | Engine |
| Clearance Category | Engine |
| Coil Mounting Studs | Yes, on Baseplate, Yes, on Baseplate |
| Coil Options | with Coil Stands, with Coil Stands |
| Color | Factory Orange |
| Construction | Die Cast Aluminum, Die Cast Aluminum |
| Country of Origin (Primary) | CN |
| Cylinder Head Type | Standard |
| Design Type | 2-Piece LS, 2-Piece LS |
| Discount Percentage | 26-50% |
| Emission Code | 4, 2, Not in CA |
| Engine Make/Size | GM LS1/LS2/SL3/LS6/LS7 |
| Features | Finned, Finned |
| Finish | Factory Orange, Factory Orange |
| GTIN | 00090127052037 |
| Gasket Included | No, No |
| Gaskets Included | No, No |
| Grade Type | Performance |
| Gromment(s) Included | No, No |
| Grommets Included | No |
| Harmonized Tariff Code (Schedule B) | 8409915085 |
| Hazardous Material Code | N |
| Height | 3.75 inches, 3.75" |
| Hold Down Tabs Included | No |
| Life Cycle Status Code | Available to Order |
| Logo | None, None |
| Material | Cast Aluminum, Cast Aluminum |
| Mounting Hardware Included | Yes, Yes |
| NAFTA Preference Criterion Code | B |
| Oil Fill | Yes, Yes |
| Oil Fill Cap Included | Yes, Yes |
| Oil Filler Cap Included | Yes |
| Product Type | Valve Cover, Valve Cover |
| Quantity | Pair, Pair |
| SDR Required Flag | N |
| Sale Category | Engine |
| Style | 2-Piece LS, Finned |
| Type of Component | Valve Cover, Valve Cover |
| Valve Cover Style | Standard |
| Valvetrain Clearance | .750 lift cam with stock style rocker arms, .750" lift cam with stock style rocker arms |
| Warning | California Proposition 65, California Proposition 65 |
| Warranty | Limited 90 Day, Manufacturer's Limited 90 Day Warranty |
Holley 241-183 Holley 2-Piece Finned Valve Cover - Gen III/IV LS - Factory Orange Machined
Product Information
- Brand: Holley
- Product Number: 241-183
- Availability: Call for Availability