416 4.00 stroke sleeved block 900-1600 Hp gm ls JE or Diamond Custom Forged

JE or Diamond Custom Forged FI (

You have many options as to compression ratio crankshaft and connecting rod manufacturer and quality

These engines are built for you and not a production assembled

All of our cylinder heads can be supplied assembled which we strongly recommend from an assembly  fitment standpoint or bare at customers request

300" material above top ring land) Wrist Pins: Tool Steel Heavy Wall

416 4.00 stroke sleeved block 900-1600 Hp gm ls JE or Diamond Custom ForgedMBRE completely machines balances and assembles these engines in house with the same 4340 crankshafts 4340 Hbeam rods and forged pistons as all of our combinations. By sleeving these blocks we have had the best reliability for higher Hp builds. We stock sleeves and components for quick delivery.