416 4.00 stroke sleeved block 900-1600 Hp gm ls 300" material above top ring

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

If you have special needs

JE Mahle or Diamond Custom Forged FI (

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

Mesa Balancing Racing Engines  will help you get the most out of your blower or turbo  with this short block combo

416 4.00 stroke sleeved block 900-1600 Hp gm ls 300" material above top ringMBRE 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.