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KAT-A7000-58 416ci LS Short Block (NA)


First-ever from Katech!
Pricing: $8,999.99



Up to 700 highly affordable horsepower from a brand new GM block with top-shelf components. From the master engine builders at Katech. Install it yourself, or have us do it for you. Want to win? This premier street engine includes:
  • Production LS3 block – CNC stroker clearanced
  • 58x or 24x Callies forged crankshaft – 4-inch stroke
  • Callies forged connecting rods
  • Mahle forged 4.070 pistons/rings/pins
  • 10.9:1 Compression ratio with a stock LS3 chamber
  • Clevite bearings
  • Block oil/coolant plugs included
  • Valley cover and rear cover sold separately



    Shipping Information

    • Item Requires Shipping
    • 275.0 lbs.

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