CYLINDER HEAD KIT PERFORMANCE LS1 53 CON 15-121231-K01

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    SKU:
    15-121231-K01
    This item is currently out of stock, but can still be ordered. We will contact you with an estimated delivery date once we receive your order.
    $1,087.23

    CYLINDER HEAD KIT PERFORMANCE LS1 53 CON 15-121231-K01

      No reviews yet Write a Review
      SKU:
      15-121231-K01
      This item is currently out of stock, but can still be ordered. We will contact you with an estimated delivery date once we receive your order.
      $1,087.23
      $1,087.23
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      Description

      Pair of Aluminum LS1 Cylinder Heads

      Use on LS1 And LS3 Engines

      Includes:

      • 2.02" Stainless Intake Valves 4.920" length
      • 1.57" Stainless Exhaust Valves 4.880" length
      • 16 Conical Valve Springs (1.289" OD .550" Lift Max 105 lbs @1.80" and 260lbs @1.20" -1.140 coil bind) with spring cups
      • 32 Hardened Keepers
      • 16 Quality Valve Stem Seals
      • Intake Runner 212, Exhaust Runner 76
      • Cathedral Port Intake Shape
      • 57 cc Chamber Volume
      • Angle Plug 

       

       New Performance Cylinder Heads, Individually cast using the latest techniques. All machined surfaces are performed by CNC, including bolt holes, to achieve extreme accuracy in finishing.  OEM bolt patterns are used for compatibility. 

      Additional Features:

       

      • Meets and exceeds OEM Specifications
      • Custom Designed Heads
      • Chambers designed for improved flow
      • Heat Treated T6 Aluminum

       

      Why Buy Vehicle Parts from Northern Auto Parts?

      40+ Years Experience


      Northern Auto Parts has been providing auto parts for all makes and models for over 40 years. We have everything you need to keep your car, truck, or SUV running in peak condition. For engine builders, Northern Auto Parts is one of the best online sources for kits.

      Trusted Source for Name-Brand Parts


      Northern Auto Parts is recognized by many as the best online source for rebuild components. We carry a wide variety of name-brand components, so you can find the exact parts you need to repair or replace any part of your vehicle. From engine components to exterior parts, we have a vast selection to choose from.

      Competitive Pricing


      We are committed to affordability without compromising on quality. Our prices provide the best value for your money, whether you’re an automotive technician or a DIY enthusiast.