GM Performance Cylinder Head, LS3, Aluminum, Assembled, 68.4cc, 260cc Intake Runner, Each 

Please hover mouse to enlarge image


Two (2) GM Cylinder Head LS3 Aluminum Assembled 68.4cc 260cc Intake Runner

 

  • Accessory Bolt Holes Drilled
    		•  Yes
  • CNC-Machined Combustion Chamber
    		•  No
  • CNC-Machined Exhaust Runner
    		•  No
  • CNC-Machined Intake Runner
    		•  No
  • Combustion Chamber Volume (cc)
    		•  68.4
  • Cylinder Head Finish
    		•  Natural
  • Cylinder Head Material
    		•  Aluminum
  • Cylinder Head Style
    		•  Assembled
  • Damper Spring Included
    		•  No
  • Exhaust Port Location
    		•  Standard
  • Exhaust Port Shape
    		•  D-port
  • Exhaust Valve Angle
    		•  15
  • Exhaust Valve Diameter (in)
    		•  1.590 in.
  • Exhaust Valves Included
    		•  Yes
  • Guideplates Included
    		•  No
  • Heat Crossover
    		•  No
  • Intake Port Location
    		•  Standard
  • Intake Port Shape
    		•  Rectangular
  • Intake Runner Volume (cc)
    		•  260cc
  • Intake Valve Angle
    		•  15
  • Intake Valve Diameter (in)
    		•  2.165 in.
  • Intake Valves Included
    		•  Yes
  • Locks Included
    		•  Yes
  • Machined for O-Ring
    		•  No
  • Maximum Valve Lift (in)
    		•  0.570 in.
  • Notes
    		•  Fits any LS family engine with 4 in. bore or larger.
  • Number of Springs Per Valve
    		•  Single
  • Oiling Style
    		•  Through pushrod
  • Outside Diameter of Outer Spring (in)
    		•  1.290 in.
  • Quantity
    		•  Quantity of 2
  • 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
  • Valve Cover Mounting Style
    		•  Centerbolt
  • Valve Guide Material
    		•  Powdered metal
  • Valve Guides Included
    		•  Yes
  • Valve Seat Material
    		•  Steel
  • Valve Seats Machined
    		•  Yes
  • Valve Springs Included
    		•  Yes
  • Valve Stem Seal Style
    		•  Positive stop


    Image is a representation of this part. Actual part may vary.

    Summit Racing Part Number: NAL-12629063(2)

    Fitment

    • Please see the "Compatibility" link at the top of the listing. Fitment information may not be available for all products and those without fitment will not have a Compatibility link.  

    • IMPORTANT - Please be sure to view the "Notes" option for more details if it is available.

    Shipping

    • Please see the "Shipping and Payment" tab or the top of the listing for shipping costs.
    • We ship within 2 business day(s).
    • We do not ship to APO/FPO or Post Office box addresses on eBay.
    • We use UPS and Fedex for most orders.  We are unable to guarantee a specific carrier.
    • In-stock items can ship from three locations - Georgia, Nevada or Ohio. To avoid delays, we ship the order from your nearest stocking warehouse. This means orders may arrive in multiple boxes or at different times.
    • We do not ship to Alaska, Hawaii, Puerto Rico or Guam on eBay.
    • We are unable to accept Summit Racing Gift Certificates or Summit Bucks on eBay.
      •

    Payment

    • We accept PayPal only on eBay.  We do not accept PayPal E-Checks.
    • PayPal Immediate Payment is required on all listings - please use the eBay cart for multiple purchases
    • All orders ship with an itemized invoice. We are unable to send an order without an invoice.
    • We do charge sales tax in Ohio (6.75%), Nevada (7.725%) and Georgia (7%). State taxes will be calculated at checkout.

    Returns

    • We offer a 90-day Handshake Guarantee.  Please see our "About Me" page for more details about our Return Policy.
    • Buyer pays return shipping.
      •

    Customer Support

    • Our customer support is available 24/7.
    • Emails are normally answered within 24 hours,  not including weekends or holidays.
    • Please contact us at 800-230-3030 or via email using the "Ask Seller a Question" link from this listing.
      •