General Motors

Start with a Great foundation! The Southeast Performance Street Performer Short Blocks are manufactured using the highest quality parts that will...

 Start with a Great foundation for a mild performance build or a good upgrade for a worn out short block.! The Southeast...

This short block is great for replacing a tired 350, or for getting more torque out of your hot rod. Block: Seasoned OE 4 Bolt Main 1pc Seal Roller...

A Bullet proof bottom end built to handle more power with this top of the line stroker kit. Block: Seasoned OE 4 Bolt Main 1pc Seal Roller...

This short block is great for replacing a tired 350, or for getting more torque out of your hot rod.   Block: Seasoned OE 4 Bolt Main 1pc Seal...

This is a small block with big cubic inches great foundation for aggressive street builds or race builds. Block: Dart SHP 4 Bolt Main 2pc Seal D/S...

This is a great foundation for a mild performance build or a good upgrade for a worn out short block. Block: Seasoned OE 2 Bolt Main 2pc Seal ...

 This is a great foundation for a mild performance build or a good upgrade for a worn out short block. Block: Seasoned OE 2 Bolt Main 2pc Seal ...

This one is a Bullet proof bottom end perfect for street or race builds, featuring one of the best forged stroker kits Scat makes. Block: Seasoned...

This short block has fully forged rotating assemble, and Dart block it will hold big power reliably. Block: Dart Big M 9.8 4 Bolt Main 2pc Seal ...

This bullet proof short block is designed for racing or max effort street build; drive train upgrades may be needed. Block: Dart Big M 9.8 4 Bolt...

Looking for a large cubic inch short block to make big NA power? This 441CI Dart SHP LS short block is the perfect foundation! Block: Dart SHP...

Looking for a large cubic inch short block to make big power with Boost? This 427CI Dart SHP LS Next short block is the perfect foundation! Upgrade...

Looking for a large cubic inch short block to make big power with Boost? This 427CI Dart SHP LS Next short block is the perfect foundation! Features...

This is a Bullet proof bottom end for your LT1 build, features one of the strongest stroker kits Scat makes.   Block: Seasoned OE LT1 4 Bolt...

This short block is built for engines that are going to be running Boost!  Using quality Dart SHP Special High Performance LS Next Pro cast iron...

Southeast Performance is now offering a complete line of LS Short Blocks!    This L92/LS3 415 Stroker is built to handle up to 700HP with...

Southeast Performance is now offering a complete line of LS Short Blocks!    This L92/LS3 415 Stroker is built to handle up to 700HP with...

Southeast Performance is now offering a complete line of LS Short Blocks!    This L92/LS3 415 Stroker is built to handle up to 700HP with...

Southeast Performance is now offering a complete line of LS Short Blocks!    This L92/LS3 415 Stroker is built to handle up to 700HP with...

This LQ4 6.0 short block is the perfect foundation to build a high power.   Each roller block features 6 bolt mains, 1 piece seals, high...

Southeast Performance is now offering a complete line of LS Short Blocks!  This LS 408 Stroker is built to handle up to 700HP with a Manley...

This short block is built for all motor builds with higher compression but with the option of running pump gas it will hold up to 700HP. Block: GM...

Southeast Performance is now offering a complete line of LS Short Blocks!  This LS 408 Stroker is built to handle up to 700HP with a Manley...

Southeast Performance is now offering a complete line of LS Short Blocks!  This short block is built with lower compression perfect for...

Southeast Performance is now offering a complete line of LS Short Blocks!   This short block is built with lower compression perfect for...

Southeast Performance is now offering a complete line of LS Short Blocks!   This short block is built for all motor builds with...

Southeast Performance is now offering a complete line of LS Short Blocks!   This short block is built for all motor builds with...

This short block is built for engines that are going to be running Boost or Nitrous. It has upgraded ARP main studs, ARP 2000 rod bolts and Total...

Southeast Performance is now offering a complete line of LS Short Blocks!   This short block is built for engines that are going to be...