Vehicle Fitment

Make	Model	Year
Avanti	II	2001-2004
Buick	Rainier	2004
Cadillac	Escalade	2002-2006, 2009-2013
Chevy	Avalanche	2002-2013
	Cheyenne	2007-2010, 2016
	Colorado	2009-2012
	Corvette	2005-2007
	Express	2003-2020
	Silverado 1500	1999-2013
	Silverado 2500	1999-2000, 2013-2016, 2018-2019
	Silverado 3500	2015-2016, 2019
	SSR	2003-2004
	Suburban	2000-2018
	Tahoe	2000-2014
	Trailblazer	2003-2004
GMC	Canyon	2009-2012
	Envoy	2003-2004
	Savana	2003-2020
	Sierra 1500	1999-2013, 2015-2016
	Sierra 2500	1999-2000, 2013-2016, 2019
	Sierra 3500	2015-2016, 2019
	Yukon	2000-2013
Hummer	H2	2004, 2007
	H3	2008-2010
	H3T	2009-2010
Isuzu	Ascender	2003-2004
Pontiac	G8	2008-2009

Product Details

Pro Action Bare Cylinder Head (54240-05) by RHS®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a hassle free installation, this reliable product can help you get you vehicle back on the road faster and easier.

Notes

Minimum 4.00" bore.

Specifications

Combustion Chamber Volume: 65cc

Intake Runner Volume: 210cc

Intake Port Shape: Cathedral

Intake Valve Diameter: 2.000"

Exhaust Valve Diameter: 1.550"

Maximum Valve Lift: 0.660"

Outside Diameter of Outer Spring: 1.320"

Number of Springs Per Valve: Dual

Accessory Bolt Holes Drilled:Yes

Intake Valve Angle: 15

Exhaust Valve Angle: 15

Valve Guide Material: Manganese bronze

Includes

Cylinder Head
Retainers
Valve Springs
Valve Guides

Features

Same architecture as factory head - all stock components will fit without issue
Factory correct intake manifold alignment slots avoid power robbing misalignment
Manufactured with premium materials and machined to industry's tightest tolerances
Clean Cast Technology eliminates casting laws and promotes a smoother internal surface finish for greater air and coolant flow
Dual seat spark plug pocket design allows both factory style tapered seat spark plugs and flat seat style pluggs in wider heat ranges

Racing Head Service™ the legendary innovator of airflow technology offers the ultimate in cylinder head, engine block and intake manifold performance. Utilizing the resources of the industry leading COMP Performance Group™ engineering and development team and the most sophisticated engine technology in the performance aftermarket, RHS® has re-established itself as a leader in airflow design.

Brand:

RHS

Part Number:

54240-05

UPC:

036584405719

Alternate MPN:

5424005

Warranty

Racing Head Service warrants that all of its products are free from defects in material and workmanship, for a period of one year. The warranty period begins from the date of purchase. RHS recommends that you keep your invoice or receipt because proof of purchase date is required. This limited warranty shall only cover the original purchaser.

The warranty does not include the following:

Any product that has been physically altered, improperly installed, or maintained
Any product used in an improper application, abused or not used in connection with the proper parts
Any product that is defective due to neglect, unauthorized repair, or as the result of an accident

There is no implied warranty of merchantability or fitness for a particular purpose. The RHS obligation under this warranty is limited to the repair or replacement of its products. There are no warranties that extend beyond the description on the face of this warranty. RHS will not be responsible for incidental, consequential, indirect, special or exemplary damages or any third-party claims or property damage or personal damages resulting from use of its products. If there is by law an implied warranty of merchantability and/or fi tness, it is limited to the warranty terms set forth above.

Magnuson-Moss Warranty Act:

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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RHS® - Pro Action Bare Cylinder Head

Questions and Answers

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