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RHS Pro Action LS Cathedral Port Cylinder Head with 0.660-Inch Lift Springs; Un-Assembled (10-13 4.8L Silverado 1500; 99-13 5.3L Silverado 1500; 03-13 6.0L Silverado 1500)

Item S126971
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RHS Pro Action LS Cathedral Port Cylinder Head with 0.660-Inch Lift Springs; Un-Assembled (10-13 4.8L Silverado 1500; 99-13 5.3L Silverado 1500; 03-13 6.0L Silverado 1500)
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Our Price

$810.95 (kit)

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Cylinder Head Replacement Kit
      • Combustion Chamber Volume of 65 cc
      • Intake Runner Volume of 210 cc
      • Cathedral Intake Port Shape
      • Intake Valve Diameter of 2 Inches
      • Exhaust Valve Diameter of 1.550 Inches
      • Maximum Valve Lift of 0.660 Inches
      • Dual Springs Per Valve
      • Accessory Bolt Holes Drilled
      • Professional Installation Recommended
      • Fits 2010-2013 4.8L Silverado 1500, 1999-2013 5.3L Silverado 1500, and 2003-2013 6.0L Silverado 1500

      Description

      High Performance Cylinder Head. If you are in the market for a replacement or a better cylinder head for your Silverado, than this RHS Pro Action LS Cathedral Port Cylinder Head with 0.660-Inch Lift Springs; Un-Assembled is perfect for you. Designed to improve your vehicles performance over the stock unit, it features a dual-spring valve design with a combustion chamber capacity of up to 65 cc and an intake runner volume of 210 cc.

      Installation. For the safety of your hardware during removal and replacement, professional installation is recommended.

      Application. The RHS Pro Action LS Cathedral Port Cylinder Head with 0.660-Inch Lift Springs; Un-Assembled fits 2010-2013 4.8L Silverado 1500, 1999-2013 5.3L Silverado 1500, and 2003-2013 6.0L Silverado 1500.

      Fitment:

      Details

      RHS 54240-05

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Cylinder Head
      • (1) Retainer Set
      • (1) Valve Spring Set
      • (1) Valve Guides
      5.0

      Reviews of RHS Engine Products (1)

      Brand Image

      Reviews of RHS Engine products have an average rating of 5 out of 5

        Questions & Answers

        10 More Questions

        Will It Fit My Silverado 1500

        • 4.8L V8 - 10, 11, 12, 13
        • 5.3L V8 - 99, 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13
        • 6.0L V8 - 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13

            Word on the Trail

            I'm a new & reluctant customer. So I contacted by phone & chat with several different questions about a product I needed to order. They were very knowledgeable about the product. I was given nothing less than the most professional assistance EVER, both times. I WILL be a returning customer.

            seancooper1970
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