ATK High Performance Chrysler 408 A Stroker Short Blocks SP61

Start your build with a rock-solid bottom-end with these ATK High Performance Chrysler 408 A Stroker short blocks. These short blocks are built using high-quality components that are all hand-fit and balanced to create a reliable bottom-end that’s ready to get your musclecar or truck moving. Just top the engine off with your own parts to build a custom engine that is designed to meet your goals.

These ATK High Performance Chrysler 408 A Stroker short blocks include the following:

* Handpicked and seasoned OE Magnum 1993-2001 blocks
* Aligned and hone main bores
* Nodular iron internally balanced crankshaft
* 4.00 in. stroke
* 4340 forged I beam connecting rods with ARP 8740 bolts
* Hypereutectic pistons with 23.5cc dish
* Plasma-moly rings
* Approximate Compression Ratios: 62cc = 9.7:1 / 68cc = 9.2:1 / 72cc = 8.9:1