4.6 Short Block - Street 600HP 2V & 4V - Cast Iron Block 4.6 600HP Shortblock Pistons:2V-4V Manley 18cc Mesa Balancing Racing Engines uses

Mesa Balancing Racing Engines uses only Dart Merlin or Brodix or GM bowtie new blocks to build these high HP packages which on pump gas can make 600 + depending on the cylinder heads and components used and well over 1000 HP with blower turbo or NO2

By sleeving these blocks we have had the best reliability for higher Hp builds

Block and components meticulously deburred & cleaned after machining process

Long blocks do not include accessories but we can also provide those at an additional charge

2L Aluminum Crankshaft: GM Forged LT4 w/ our Blueprinting Process Connecting Rods: Callies Ultra Billet H-Beam or Manley Carrillo or Go Racing  w/ARP Ultra 7/16" Bolts Pistons: Wiseco Forged CP

4.6 Short Block - Street 600HP 2V & 4V - Cast Iron Block 4.6 600HP Shortblock Pistons:2V-4V Manley 18cc Mesa Balancing Racing Engines usesAT Mesa Balancing Racing Engines all of our Street and Strip Short Blocks for 4. 6 engines are an economical way to add horsepower with reliability to your high performance vehicle. These short blocks include: Remanufactured Ford OEM Fully Machined Romeo or Windsor engine blocks and cast Steel 8 bolt crankshafts (check your flywheel for fitment), New Forged cast H Steel connecting rods and your choice of Forged pistons and pins (see piston option and