EngineQuest Cylinder heads are manufactured to meet or exceed the OEM specifications. All assembled Cylinder heads are assembled in the USA.
- Highest grade of material used in manufacturing
- Thicker decks for greater strength
- Superior port finish for increased flow
- Improved flow design to resist cracking
Application Summary:
| Year | Make/Model |
|---|---|
| 2001-2004 | Avanti II |
| 2008-2009 | Buick LaCrosse |
| 2004-2007 | Buick Rainier |
| 2004-2007 | Cadillac CTS |
| 2009-2019 | Cadillac CTS |
| 2002-2008 | Cadillac Escalade |
| 2015-2019 | Cadillac Escalade |
| 2003-2008 | Cadillac Escalade ESV |
| 2015-2019 | Cadillac Escalade ESV |
| 2002-2008 | Cadillac Escalade EXT |
| 2007-2009 | Chevrolet Avalanche |
| 2002-2006 | Chevrolet Avalanche 1500 |
| 1998-2002 | Chevrolet Camaro |
| 2010-2020 | Chevrolet Camaro |
| 2009-2012 | Chevrolet Colorado |
| 1997-2020 | Chevrolet Corvette |
| 2003-2009 | Chevrolet Express 1500 |
| 2003-2009 | Chevrolet Express 2500 |
| 2003-2009 | Chevrolet Express 3500 |
| 2009 | Chevrolet Express 4500 |
| 2017-2019 | Chevrolet Express 4500 |
| 2006-2009 | Chevrolet Impala |
| 2006-2007 | Chevrolet Monte Carlo |
| 1999-2009 | Chevrolet Silverado 1500 |
| 2014-2020 | Chevrolet Silverado 1500 |
| 2007 | Chevrolet Silverado 1500 Classic |
| 2001-2003 | Chevrolet Silverado 1500 HD |
| 2005-2006 | Chevrolet Silverado 1500 HD |
| 2007 | Chevrolet Silverado 1500 HD Classic |
| 2019 | Chevrolet Silverado 1500 LD |
| 1999-2004 | Chevrolet Silverado 2500 |
| 2001-2019 | Chevrolet Silverado 2500 HD |
| 2007 | Chevrolet Silverado 2500 HD Classic |
| 2001-2006 | Chevrolet Silverado 3500 |
| 2007 | Chevrolet Silverado 3500 Classic |
| 2007-2019 | Chevrolet Silverado 3500 HD |
| 2014-2017 | Chevrolet SS |
| 2003-2006 | Chevrolet SSR |
| 2018-2020 | Chevrolet Suburban |
| 2000-2009 | Chevrolet Suburban 1500 |
| 2000-2009 | Chevrolet Suburban 2500 |
| 2000-2009 | Chevrolet Tahoe |
| 2019-2020 | Chevrolet Tahoe |
| 2006-2009 | Chevrolet Trailblazer |
| 2003-2006 | Chevrolet Trailblazer EXT |
| 2003-2009 | Chevrolet W3500 Tiltmaster |
| 2003-2010 | Chevrolet W4500 Tiltmaster |
| 2007 | GMC C7500 Topkick |
| 2007 | GMC C8500 Topkick |
| 2009-2012 | GMC Canyon |
| 2005-2009 | GMC Envoy |
| 2003-2006 | GMC Envoy XL |
| 2004-2005 | GMC Envoy XUV |
| 2003-2009 | GMC Savana 1500 |
| 2003-2009 | GMC Savana 2500 |
| 2003-2009 | GMC Savana 3500 |
| 2019 | GMC Savana 3500 |
| 2009 | GMC Savana 4500 |
| 2017-2019 | GMC Savana 4500 |
| 1999-2009 | GMC Sierra 1500 |
| 2014-2020 | GMC Sierra 1500 |
| 2007 | GMC Sierra 1500 Classic |
| 2001-2003 | GMC Sierra 1500 HD |
| 2005-2006 | GMC Sierra 1500 HD |
| Attributes | |
| Accessory Bolt Holes Drilled | Yes |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| CNC-Machined Combustion Chamber | No |
| CNC-Machined Exhaust Runner | No |
| CNC-Machined Intake Runner | No |
| Combustion Chamber Style | VORTEX |
| Combustion Chamber Volume (cc) | 69CC - +/- 2CC |
| Country of Origin (Primary) | CN |
| Cylinder Head Finish | Natural |
| Cylinder Head Material | Aluminum |
| Cylinder Head Style | Assembled |
| Damper Spring Included | No |
| Dyno: HP | 423.9@5300 |
| Dyno: TQ | 420.1@5300 |
| Exhaust Port Location | Standard |
| Exhaust Runner Volume (cc) | 87cc +/- 2cc |
| Exhaust Valve Diameter | 1.59 |
| Exhaust Valves Included | Yes |
| Flow: Exhuast | Stock |
| Flow: Intake | Stock |
| Guideplates Included | No |
| Hazardous Material Code | N |
| Heat Crossover | No |
| Intake Port Location | Standard |
| Intake Runner Volume (cc) | 258cc - +/- 2cc |
| Intake Valve Angle | Stock |
| Intake Valve Diameter | 2.165 |
| Intake Valves Included | Yes |
| Life Cycle Status Code | Available to Order |
| Lock Style | Steel |
| Locks Included | Yes |
| Machined for O-Ring | No |
| Number of Springs Per Valve | 1 |
| Oiling Style | Pushrod |
| Retainer Material | Steel |
| Retainers Included | Yes |
| Rocker Arm Nuts Included | No |
| Rocker Arm Studs Included | No |
| Rocker Arms Included | No |
| SDR Required Flag | N |
| Spark Plug Style | Angle |
| Standard Pack | Each |
| Steam Holes Drilled | No |
| Valve Cover Mounting Style | Center |
| Valve Guide Material | Iron |
| Valve Guides Included | Yes |
| Valve Seat Machine Style | 3 Angle Cut |
| Valve Seat Material | Steel |
| Valve Seats Machined | Yes |
| Valve Springs Included | Yes |
| Valve Stem Seal Style | Metal Clad |
| Valve Stem Seals Included | Yes |
| GTIN | 00810037940985 |