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MTM111-260 - Mast Motorsports Black Label LS3 416 SS with Hilborn Fuel Injection System (630hp), Includes M-120 ECM and Harness

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Shipping: FREE 48 State Truck Freight Shipping (International shipping will require freight quote)


Mast Motorsport’s Black Label LS3 Engine Specs:

  • Type: LS3 6.8L
  • Displacement: 416 Cubic Inches
  • Compression Ratio: 11.2:1
  • Bore x Stroke: 4.070 x 4.000
  • Rev Limit: 7000 RPM
  • Crank: Callies Forged
  • Rods: Callies H-Beam
  • Pistons: Mahle Motorsports
  • Cam: Mast Custom 3-Bolt Core Cam
  • Heads: Mast 12 Degree CNC LS3 Heads
  • Valve Springs: Mast Nitrided Beehive

    Hilborn Fuel Injection System:

  • Part Name: LS Series Chevy Electronic Fuel Injector
  • Application: LS engines with any deck height, LS1, L92, or LS7 heads
  • Bore Size: 2-3/16?, 2-7/16?, 2-1/2?, 2-5/8?
  • Heat-treated aluminum casting
  • Cad-plated steel ram tubes
  • Fully assembled with shafts, butterflies, linkage, fuel rails, mounted TPS with connector and vacuum kit

    Watch a dyno video:

  • Application List


    Shipping Information

    • Item Requires Shipping
    • 500.0 lbs.
    • Free Shipping!
    • FREE 48 State Truck Freight Shipping (International shipping will require freight quote)

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