Short Blocks

LSXceleration 1800HP 427CI Dart LS Next Short Block -17.4 Dish 58x Boost/Nitrous Ready by ATK ATK’s new Elite Series LS Short Blocks are a step of above the rest. Every engine is a well thought out parts combination that is purpose built for each...

LSXceleration 1500HP 427CI Dart LS Next Short Block -17.4 Dish 58x Boost/Nitrous Ready by ATK ATK’s new Elite Series LS Short Blocks are a step of above the rest. Every engine is a well thought out parts combination that is purpose built for each...

LSXceleration 1800HP 388CI Dart LS Next Short Block -5cc Flat 58x Boost/Nitrous Ready by ATK ATK’s new Elite Series LS Short Blocks are a step of above the rest. Every engine is a well thought out parts combination that is purpose built for each...

LSXceleration 1500HP 388CI Dart LS Next Short Block -5cc Flat 58x Boost/Nitrous Ready by ATK ATK’s new Elite Series LS Short Blocks are a step of above the rest. Every engine is a well thought out parts combination that is purpose built for each...

LSXceleration 700HP 415CI Stroker L92/LS3 Short Block Aluminum Boost/Nitrous Ready -10cc Dish 58x By ATK 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...

LSXceleration 383CI 5.3L GM LM7 Short Block -32cc Dish 24x By ATK Engine Specifications:• Block: GM LM7 5.3L (Iron LS1 / LS6)• Year Range: 1999-2007• Bore/Stroke: 3.903” x 4.000”• Displacement (cu.in): 383•...

LSXceleration 416CI Gen V LT Short Block -20cc Dish 58x NA/Boost/Nitrous Ready By ATK This short block is built for Naturally Aspirated engines, Boost or Nitrous. Starting with a new GM LT Block and outfit it with a Manley 4340 Forged Crankshaft, H Beam...

LSXceleration 416CI Gen V LT Short Block -10cc Dish 58x NA/Boost/Nitrous Ready By ATK This short block is built for Naturally Aspirated engines, Boost or Nitrous. Starting with a new GM LT Block and outfit it with a Manley 4340 Forged Crankshaft, H Beam...

LSXceleration 376CI Gen V LT Short Block +12cc Dish 58x NA/Boost/Nitrous Ready By ATK This short block is built for Naturally Aspirated engines, Boost or Nitrous. Starting with a new GM LT Block and outfit it with a Manley 4340 Forged Crankshaft, H Beam...

LSXceleration 376CI Gen V LT Short Block -2cc Dome 58x By ATK This short block is built for Naturally Aspirated engines, Boost or Nitrous. A new GM LT Block and outfit it with a Manley 4340 Forged Crankshaft, H Beam Rods with ARP2000 bolts, Manley 2618...

LSXceleration 408CI 6.0L Stroker LS Gen IV Short Block -4cc Flat 58x By ATK Engine Specifications:• Block: Seasoned 6.0L Iron Gen IV• Bore/Stroke: 4.030” x 4.000”• Displacement (cu.in): 408• Crankshaft: Manley 4340 forged...

LSXceleration 408CI 6.0L Stroker LS Gen IV Short Block -18cc Dish 58x By ATK    Engine Specifications:• Block: Seasoned 6.0L Iron Gen IV• Bore/Stroke: 4.030” x 4.000”• Displacement (cu.in): 408• Crankshaft:...