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EngineQuest Cylinder heads are manufactured to meet or exceed the OEM specifications. All assembled Cylinder heads are assembled in the USA.
Features
- Accessory Bolt Holes Drilled: Yes
- 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
- 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
- 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
- Lock Style: Steel
- Locks Included: Yes
- Machined for O-Ring: No
- Number of Springs Per Valve: 1
- Oiling Style: Pushrod
- Prop 65 - Short Label: prop65_warning.jpg
- Prop 65 (C, R or CR): CR
- Prop 65 Yes/No: Yes
- Retainer Material: Steel
- Retainers Included: Yes
- Rocker Arm Nuts Included: No
- Rocker Arm Studs Included: No
- Rocker Arms Included: No
- Spark Plug Style: Angle
- Steam Holes Drilled: No
- Title: EngineQuest Chevy Rectangle Port LS Cylinder Head - Assembled
- 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
Notes:
Assembled
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Buick LaCrosse | 2008-2009 | CXL |
| Buick LaCrosse | 2008-2009 | Super |
| Buick LaCrosse | 2008 | CXS |
| Buick LaCrosse | 2008-2009 | CX |
| Buick Rainier | 2004-2007 | CXL |
| Buick Rainier | 2004-2005 | CXL Plus |
| Cadillac CTS | 2004-2007, 2009-2019 | Base |
| Cadillac CTS | 2009-2019 | Luxury |
| Cadillac CTS | 2009-2019 | Premium |
| Cadillac CTS | 2010-2016 | Performance |
| Cadillac CTS | 2011-2012, 2014 | Coupe |
| Cadillac CTS | 2012 | 3.6L |
| Cadillac CTS | 2012 | 3.0L |
| Cadillac CTS | 2016 | Vsport Premium |
| Cadillac CTS | 2016-2018 | V |
| Cadillac CTS | 2016-2018 | Vsport |
| Cadillac CTS | 2017-2018 | Vsport Premium Luxury |
| Cadillac CTS | 2017-2019 | Premium Luxury |
| Cadillac Escalade | 2002-2008, 2015-2019 | Base |
| Cadillac Escalade | 2008, 2015-2019 | Platinum |
| Cadillac Escalade | 2015-2019 | Luxury |
| Cadillac Escalade | 2015-2017 | Premium |
| Cadillac Escalade | 2017-2019 | Premium Luxury |
| Cadillac Escalade ESV | 2003-2008, 2015-2019 | Base |
| Cadillac Escalade ESV | 2008, 2015-2019 | Platinum |
| Cadillac Escalade ESV | 2015-2019 | Luxury |
| Cadillac Escalade ESV | 2015-2019 | Premium |
| Cadillac Escalade ESV | 2017-2019 | Premium Luxury |
| Cadillac Escalade EXT | 2002-2008 | Base |
| Chevrolet Avalanche | 2007-2009 | LS |
| Chevrolet Avalanche | 2007-2009 | LTZ |
| Chevrolet Avalanche | 2007-2009 | Base |
| Chevrolet Avalanche | 2007-2009 | LT |
| Chevrolet Avalanche 1500 | 2002-2003 | North Face |
| Chevrolet Avalanche 1500 | 2002, 2005-2006 | LS |
| Chevrolet Avalanche 1500 | 2002-2006 | Z71 |
| Chevrolet Avalanche 1500 | 2002-2006 | Base |
| Chevrolet Avalanche 1500 | 2002-2003 | On Road Edition |
| Chevrolet Avalanche 1500 | 2002, 2005-2006 | LT |
| Chevrolet Avalanche 1500 | 2003 | WBH |
| Chevrolet Avalanche 1500 | 2004-2006 | Z66 |
| Chevrolet Avalanche 2500 | 2002-2004 | Base |
| Chevrolet Avalanche 2500 | 2005-2006 | LT |
| Chevrolet Avalanche 2500 | 2005-2006 | LS |
| Chevrolet Camaro | 1998-2002 | Z28 |
| Chevrolet Camaro | 1998-2002 | Z28 SS |
| Chevrolet Camaro | 1998 | Lujo |
| Chevrolet Camaro | 1998-2002 | Base |
| Chevrolet Camaro | 2010-2020 | LT |
| Chevrolet Camaro | 2010-2015, 2017-2020 | LS |
| Chevrolet Camaro | 2010-2020 | SS |
| Chevrolet Camaro | 2011-2012 | 1LT |
| Chevrolet Camaro | 2011-2012 | 2SS |
| Chevrolet Camaro | 2011-2012 | 1SS |
| Chevrolet Camaro | 2016-2019 | RS |
| Chevrolet Camaro | 2018 | RS Edicion Especial |
| Chevrolet Camaro | 2019 | RS Fire Edition |
| Chevrolet Camaro | 2020 | LT1 |
| Chevrolet Colorado | 2009-2012 | LT |
| Chevrolet Colorado | 2009-2012 | Base |
| Chevrolet Colorado | 2009-2012 | WT |
| Chevrolet Corvette | 1997-2013 | Base |
| Chevrolet Corvette | 1998 | Indianapolis 500 Pace Car |
| Chevrolet Corvette | 2003 | 50th Anniversary Edition Pace Car |
| Chevrolet Corvette | 2003 | 50th Anniversary Edition |
| Chevrolet Corvette | 2008 | 427 Limited Edition Z06 |
| Chevrolet Corvette | 2011 | Z06 Carbon |
| Chevrolet Corvette | 2013 | 427 |
| Chevrolet Corvette | 2014, 2017, 2019 | Stingray |
| Chevrolet Corvette | 2014 | Z51 |
| Chevrolet Corvette | 2015-2016, 2018 | Z06 |
| Chevrolet Express 1500 | 2003-2009 | Base |
| Chevrolet Express 1500 | 2003-2009 | LS |
| Chevrolet Express 1500 | 2006-2009 | LT |
| Chevrolet Impala | 2006-2009 | Police |
| Chevrolet Impala | 2006-2009 | LT |
| Chevrolet Impala | 2006-2009 | LS |
| Chevrolet Impala | 2006-2009 | LTZ |
| Chevrolet Impala | 2006-2009 | SS |
| Chevrolet Impala | 2008 | 50th Anniversary Edition |
| Chevrolet Monte Carlo | 2006-2007 | LT |
| Chevrolet Monte Carlo | 2006 | LTZ |
| Chevrolet Monte Carlo | 2006-2007 | LS |
| Chevrolet SS | 2014-2017 | Base |
| Chevrolet SSR | 2003-2006 | Base |
| Chevrolet Silverado 1500 | 1999-2009, 2014-2020 | LT |
| Chevrolet Silverado 1500 | 1999-2009, 2014, 2016 | Base |
| Chevrolet Silverado 1500 | 1999-2009, 2015-2018 | LS |
| Chevrolet Silverado 1500 | 2002, 2016-2020 | Custom |
| Chevrolet Silverado 1500 | 2002-2009, 2014-2020 | WT |
| Chevrolet Silverado 1500 | 2003-2006 | SS |
| Chevrolet Silverado 1500 | 2004-2006, 2009 | Hybrid |
| Chevrolet Silverado 1500 | 2004-2005 | Z71 Off-Road |
| Chevrolet Silverado 1500 | 2007-2009, 2014-2020 | LTZ |
| Chevrolet Silverado 1500 | 2014-2020 | High Country |
| Chevrolet Silverado 1500 | 2015-2020 | SSV |
| Chevrolet Silverado 1500 | 2019-2020 | RST |
| Chevrolet Silverado 1500 | 2019-2020 | WT Doble Cabina |
| Chevrolet Silverado 1500 | 2019-2020 | WT Cab Regular |
| Chevrolet Silverado 1500 | 2019-2020 | Custom Trail Boss |
| Chevrolet Silverado 1500 | 2019-2020 | LT Trail Boss |
| Chevrolet Silverado 1500 Classic | 2007 | LT |
| Chevrolet Silverado 1500 Classic | 2007 | WT |
| Chevrolet Silverado 1500 Classic | 2007 | SS |
| Chevrolet Silverado 1500 Classic | 2007 | LS |
| Chevrolet Silverado 1500 Classic | 2007 | Hybrid |
| Chevrolet Silverado 1500 HD | 2001-2003, 2005-2006 | LT |
| Chevrolet Silverado 1500 HD | 2001-2003, 2005 | LS |
| Chevrolet Silverado 1500 HD | 2005 | Base |
| Chevrolet Silverado 1500 HD Classic | 2007 | LT |
| Chevrolet Silverado 1500 LD | 2019 | LT |
| Chevrolet Silverado 1500 LD | 2019 | WT |
| Chevrolet Silverado 1500 LD | 2019 | Custom |
| Chevrolet Silverado 2500 | 1999-2004 | LT |
| Chevrolet Silverado 2500 | 1999-2012, 2014, 2016-2017 | Base |
| Chevrolet Silverado 2500 | 1999-2004, 2013, 2015-2018 | LS |
| Chevrolet Silverado 2500 | 2000-2002, 2007 | Cheyenne |
| Chevrolet Silverado 2500 | 2000-2005 | 400 SS |
| Chevrolet Silverado 2500 | 2000-2002 | Custom |
| Chevrolet Silverado 2500 | 2004 | WT |
| Chevrolet Silverado 2500 HD | 2001-2006 | LS |
| Chevrolet Silverado 2500 HD | 2001-2005 | Base |
| Chevrolet Silverado 2500 HD | 2001-2019 | LT |
| Chevrolet Silverado 2500 HD | 2003-2019 | WT |
| Chevrolet Silverado 2500 HD | 2007-2019 | LTZ |
| Chevrolet Silverado 2500 HD | 2015-2019 | High Country |
| Chevrolet Silverado 2500 HD Classic | 2007 | LT |
| Chevrolet Silverado 2500 HD Classic | 2007 | WT |
| Chevrolet Silverado 2500 HD Classic | 2007 | LS |
| Chevrolet Silverado 3500 | 2001-2004, 2006 | HD |
| Chevrolet Silverado 3500 | 2001-2006 | LS |
| Chevrolet Silverado 3500 | 2001-2013, 2016-2018 | Base |
| Chevrolet Silverado 3500 | 2001-2006 | LT |
| Chevrolet Silverado 3500 | 2004, 2006, 2015 | WT |
| Chevrolet Silverado 3500 Classic | 2007 | LS |
| Chevrolet Silverado 3500 Classic | 2007 | LT |
| Chevrolet Silverado 3500 Classic | 2007 | WT |
| Chevrolet Silverado 3500 HD | 2007-2019 | LT |
| Chevrolet Silverado 3500 HD | 2007-2019 | WT |
| Chevrolet Silverado 3500 HD | 2007-2019 | LTZ |
| Chevrolet Silverado 3500 HD | 2015-2019 | High Country |
| Chevrolet Suburban | 2018-2020 | Premier |
| Chevrolet Suburban | 2018-2019 | HD |
| Chevrolet Suburban | 2018-2020 | LS |
| Chevrolet Suburban | 2018-2020 | LT |
| Chevrolet Suburban 1500 | 2000-2009 | LS |
| Chevrolet Suburban 1500 | 2000-2009 | LT |
| Chevrolet Suburban 1500 | 2000-2009 | Base |
| Chevrolet Suburban 1500 | 2002-2006 | Z71 |
| Chevrolet Suburban 1500 | 2006-2009 | LTZ |
| Chevrolet Suburban 2500 | 2000-2009 | LT |
| Chevrolet Suburban 2500 | 2000-2001, 2009 | Base |
| Chevrolet Suburban 2500 | 2000-2009 | LS |
| Chevrolet Suburban 2500 | 2007 | LTZ |
| Chevrolet Suburban 3500 HD | 2018-2019 | LT |
| Chevrolet Suburban 3500 HD | 2018-2019 | LS |
| Chevrolet Tahoe | 2000-2009, 2019-2020 | LT |
| Chevrolet Tahoe | 2000-2009, 2019-2020 | LS |
| Chevrolet Tahoe | 2000, 2002-2006, 2008-2009 | Z71 |
| Chevrolet Tahoe | 2000 | Limited |
| Chevrolet Tahoe | 2000-2001, 2006-2009 | Base |
| Chevrolet Tahoe | 2007-2009, 2019-2020 | PPV |
| Chevrolet Tahoe | 2007-2009 | LTZ |
| Chevrolet Tahoe | 2008-2009 | Hybrid |
| Chevrolet Tahoe | 2019-2020 | Police |
| Chevrolet Tahoe | 2019-2020 | Premier |
| Chevrolet Tahoe | 2019-2020 | SSV |
| Chevrolet Trailblazer | 2003 | LTZ |
| Chevrolet Trailblazer | 2003-2007 | LS |
| Chevrolet Trailblazer | 2003-2009 | LT |
| Chevrolet Trailblazer | 2003-2004 | North Face |
| Chevrolet Trailblazer | 2003-2008 | Base |
| Chevrolet Trailblazer | 2004-2007 | A |
| Chevrolet Trailblazer | 2004-2007 | B |
| Chevrolet Trailblazer | 2005 | Q |
| Chevrolet Trailblazer | 2005 | R |
| Chevrolet Trailblazer | 2006-2009 | SS |
| Chevrolet Trailblazer EXT | 2003-2006 | Base |
| Chevrolet Trailblazer EXT | 2003-2004 | North Face |
| Chevrolet Trailblazer EXT | 2003-2006 | LT |
| Chevrolet Trailblazer EXT | 2003-2006 | LS |
| Chevrolet Trailblazer EXT | 2004-2006 | B |
| GMC Canyon | 2009-2012 | SLE |
| GMC Canyon | 2009-2012 | Base |
| GMC Canyon | 2009-2012 | SLT |
| GMC Canyon | 2009-2012 | WT |
| GMC Envoy | 2003-2009 | SLE |
| GMC Envoy | 2003-2009 | SLT |
| GMC Envoy | 2005-2009 | Denali |
| GMC Envoy XL | 2003-2006 | SLT |
| GMC Envoy XL | 2003-2006 | SLE |
| GMC Envoy XL | 2005-2006 | Denali |
| GMC Envoy XUV | 2004-2005 | SLT |
| GMC Envoy XUV | 2004-2005 | SLE |
| GMC Savana 1500 | 2003-2009 | Base |
| GMC Savana 1500 | 2003-2005, 2009 | SLE |
| GMC Savana 1500 | 2006-2009 | LT |
| GMC Savana 1500 | 2006-2009 | LS |
| GMC Savana 1500 | 2009 | SL |
| GMC Savana 2500 | 2003-2005, 2009 | SLE |
| GMC Savana 2500 | 2003-2009, 2019 | Base |
| GMC Savana 2500 | 2007-2009, 2019 | LS |
| GMC Savana 2500 | 2007-2009, 2019 | LT |
| GMC Savana 2500 | 2009 | SL |
| GMC Savana 3500 | 2003-2009, 2019 | Base |
| GMC Savana 3500 | 2003-2005, 2009 | SLE |
| GMC Savana 3500 | 2006-2009, 2019 | LT |
| GMC Savana 3500 | 2006-2009, 2019 | LS |
| GMC Savana 3500 | 2009 | SL |
| GMC Sierra | 2007-2009, 2011-2012 | Base |
| GMC Sierra | 2008-2020 | Denali |
| GMC Sierra | 2010, 2013-2015 | SLT |
| GMC Sierra | 2013-2019 | SLE |
| GMC Sierra | 2014-2018 | All Terrain |
| GMC Sierra | 2019-2020 | AT4 |
| GMC Sierra | 2020 | Regular |
| GMC Sierra | 2020 | AT4 CarbonPro |
| GMC Sierra 1500 | 1999-2020 | SLE |
| GMC Sierra 1500 | 1999-2003, 2006-2013 | SL |
| GMC Sierra 1500 | 1999-2020 | SLT |
| GMC Sierra 1500 | 2001 | C3 |
| GMC Sierra 1500 | 2002-2013 | WT |
| GMC Sierra 1500 | 2002-2020 | Denali |
| GMC Sierra 1500 | 2002-2005, 2014-2020 | Base |
| GMC Sierra 1500 | 2002 | HT |
| GMC Sierra 1500 | 2005-2006, 2009-2013 | Hybrid |
| GMC Sierra 1500 | 2010-2013 | XFE |
| GMC Sierra 1500 | 2019-2020 | Elevation |
| GMC Sierra 1500 | 2019-2020 | AT4 |
| GMC Sierra 1500 Classic | 2007 | SLE |
| GMC Sierra 1500 Classic | 2007 | Denali |
| GMC Sierra 1500 Classic | 2007 | WT |
| GMC Sierra 1500 Classic | 2007 | SLT |
| GMC Sierra 1500 Classic | 2007 | Hybrid |
| GMC Sierra 1500 Classic | 2007 | SL |
| GMC Sierra 1500 HD | 2001-2003, 2005-2006 | SLE |
| GMC Sierra 1500 HD | 2001-2003, 2005-2006 | SLT |
| GMC Sierra 1500 HD Classic | 2007 | SLE |
| GMC Sierra 1500 HD Classic | 2007 | SLT |
| GMC Sierra 1500 Limited | 2019 | SLE |
| GMC Sierra 1500 Limited | 2019 | Base |
| GMC Sierra 2500 | 1999-2002 | SL |
| GMC Sierra 2500 | 1999-2004 | SLE |
| GMC Sierra 2500 | 1999-2004 | SLT |
| GMC Sierra 2500 | 2002-2004 | Base |
| GMC Sierra 2500 | 2003-2004 | WT |
| GMC Sierra 2500 HD | 2001-2020 | SLE |
| GMC Sierra 2500 HD | 2001-2002, 2006 | SL |
| GMC Sierra 2500 HD | 2001-2020 | SLT |
| GMC Sierra 2500 HD | 2002-2005, 2015-2020 | Base |
| GMC Sierra 2500 HD | 2003-2014 | WT |
| GMC Sierra 2500 HD | 2011-2020 | Denali |
| GMC Sierra 2500 HD | 2020 | AT4 |
| GMC Sierra 2500 HD Classic | 2007 | SLE |
| GMC Sierra 2500 HD Classic | 2007 | SL |
| GMC Sierra 2500 HD Classic | 2007 | SLT |
| GMC Sierra 2500 HD Classic | 2007 | WT |
| GMC Sierra 3500 | 2001-2006 | SLE |
| GMC Sierra 3500 | 2001-2006 | SLT |
| GMC Sierra 3500 | 2001-2002, 2006 | SL |
| GMC Sierra 3500 | 2002-2005 | Base |
| GMC Sierra 3500 | 2004-2006 | WT |
| GMC Sierra 3500 Classic | 2007 | WT |
| GMC Sierra 3500 Classic | 2007 | SL |
| GMC Sierra 3500 Classic | 2007 | SLT |
| GMC Sierra 3500 Classic | 2007 | SLE |
| GMC Sierra 3500 HD | 2007-2014 | WT |
| GMC Sierra 3500 HD | 2007-2020 | SLE |
| GMC Sierra 3500 HD | 2007-2020 | SLT |
| GMC Sierra 3500 HD | 2011-2020 | Denali |
| GMC Sierra 3500 HD | 2015-2020 | Base |
| GMC Sierra 3500 HD | 2020 | AT4 |
| GMC Yukon | 2000-2009, 2019 | SLE |
| GMC Yukon | 2000-2009, 2019 | Denali |
| GMC Yukon | 2000-2009, 2019 | SLT |
| GMC Yukon | 2006 | SL |
| GMC Yukon | 2007-2009 | Base |
| GMC Yukon | 2008-2009 | Hybrid |
| GMC Yukon XL | 2019 | Denali |
| GMC Yukon XL | 2019 | SLE |
| GMC Yukon XL | 2019 | SLT |
| GMC Yukon XL 1500 | 2000-2009 | SLT |
| GMC Yukon XL 1500 | 2000-2009 | SLE |
| GMC Yukon XL 1500 | 2001-2009 | Denali |
| GMC Yukon XL 1500 | 2006 | SL |
| GMC Yukon XL 2500 | 2000-2009 | SLE |
| GMC Yukon XL 2500 | 2000-2009 | SLT |
| Hummer H2 | 2003-2008 | Base |
| Hummer H2 | 2005-2008 | Adventure |
| Hummer H2 | 2005-2008 | Luxury |
| Hummer H2 | 2007 | Special Edition |
| Hummer H3 | 2008-2009 | X |
| Hummer H3 | 2008-2009 | Base |
| Hummer H3 | 2008-2009 | Adventure |
| Hummer H3 | 2008-2009 | Alpha |
| Hummer H3 | 2008-2009 | Luxury |
| Hummer H3 | 2009 | Championship Series |
| Hummer H3T | 2009-2010 | Base |
| Hummer H3T | 2009-2010 | Alpha |
| Hummer H3T | 2010 | Adventure |
| Pontiac Firebird | 1998-2002 | Trans Am |
| Pontiac Firebird | 1998-2002 | Base |
| Pontiac Firebird | 1998-2002 | Formula |
| Pontiac G8 | 2008-2009 | Base |
| Pontiac G8 | 2008-2009 | GT |
| Pontiac G8 | 2009 | GXP |
| Pontiac GTO | 2004-2006 | Base |
| Pontiac Grand Prix | 2005 | GTP |
| Pontiac Grand Prix | 2005-2008 | Base |
| Pontiac Grand Prix | 2005-2008 | GXP |
| Pontiac Grand Prix | 2005-2007 | GT |
| Saab 9-7x | 2005 | Linear |
| Saab 9-7x | 2005 | Arc |
| Saab 9-7x | 2006-2009 | 4.2i |
| Saab 9-7x | 2006-2009 | 5.3i |
| Saab 9-7x | 2008-2009 | Aero |
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