First-ever from Katech! 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
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
Block oil/coolant plugs included
*valley cover and rear cover sold separately
This product was added to our catalog on Wednesday 14 September, 2022.
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