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Big M Sportsman Chevrolet Big Block Iron Block – 4
These short blocks include: Remanufactured Ford OEM Fully Machined Romeo or Windsor engine blocks and new 4340 forged crankshaft (check your flywheel for fitment)
Forged 4340 H Steel connecting rods and your choice of Forged pistons and pins (see piston option and prices in the dropdown menu )
LT1/ LT4 427" Short Block 1200 HP please call for pricingMesa Balancing Racing Engines uses our proven custom pistons with the 4340 forged crankshaft & H beam 4340 rods, this package gives you the ability to max out the factory sleeve block with no worries. This combo works great with Superchargers, turbos with a higher boost to make 1300. By far the best bang for the buck without a sleeved block you will find. (we can also sleeve blocks for higher target HP packages. Please call for pricing on sleeved
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