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RHS Pro Action GM LS Cathedral Port Cylinder Head with 0.570-Inch Lift Springs; Un-Assembled (10-13 4.8L Silverado 1500; 99-13 5.3L Silverado 1500; 03-13 6.0L Silverado 1500)

Item S126973
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RHS Pro Action GM LS Cathedral Port Cylinder Head with 0.570-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

$757.95 (each)

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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Pro Action GM LS Cathedral Port Cylinder Head
      • 0.570-Inch Springs
      • Un-Assembled
      • Clean Cast Technology Eliminates Casting Flaws
      • Premium Materials Used in Construction
      • Bronze/Manganese Valve Guides
      • Dual Seat Spark Plug Pocket Design
      • Use Factory Tapered Seat Spark Plugs and Flat Seat Style Plugs
      • Very Difficult Installation
      • One-Year Warranty
      • Fits 2010-2013 4.8L Silverado 1500s; 1999-2013 5.3L Silverado 1500s

      Description

      Cathedral Port Cylinder Head. If you are seeking the ideal replacement part, this RHS Pro Action GM LS Cathedral Port Cylinder Head with 0.570-Inch Lift Springs; Un-Assembled is the solution. Made incredibly strong, this cylinder head is bolt-on and ready to go.

      Construction. This RHS Pro Action GM LS Cathedral Port Cylinder Head are engineered using the best materials on the market for resolute strength. There are bronze/manganese valve guides for holding precision tolerances on valve seat concentricity. That means more secure valves and more power.

      Clean Cast Technology.This RHS Pro Action GM LS Cathedral Port Cylinder Head employs Clean Cast Technology. That process removes casting flaws and promotes a smoother internal surface finish. You get better air and coolant flow.

      Dual Seat Spark Plug Design. The dual seat spark plug pocket design means you can use the factory style tapered seat spark plugs and flat seat style plugs in wider heat ranges.

      Installation. This is a challenging installation that will take every bit of all day. This model comes unassembled.

      Warranty. There is a 1-year warranty on this product.

      Application. This RHS Pro Action GM LS Cathedral Port Cylinder Head fits 2010-2013 4.8L Silverado 1500s; 1999-2013 5.3L Silverado 1500s.

      Fitment:

      Details

      RHS 54240-06

      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
      5.0

      Customer Reviews (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

              My favorite part is that you can put in your trucks make and model, and only shop parts that will fit that truck. Makes life so much easier.

              Desrteagl5
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