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Katech LSA 416ci LS Short Block (NA)

In Stock

In stock!
Pricing: $9,499.99



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 LSA block – Stronger than the LS3 blocks, CNC stroker clearanced
  • 58x or 24x Callies forged crankshaft – 4-inch stroke
  • Callies forged connecting rods
  • CP-Carillo 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.


In stock & ready to ship!




Shipping Information

  • Item Requires Shipping
  • 275.0 lbs.

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