Short Blocks

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:...

LSXceleration 408CI 6.0L Stroker LS Gen IV Short Block -4cc Flat 58x By ATK - Boost/Nitrous Ready Engine Specifications:• Block: Seasoned 6.0L Iron Gen IV with ARP main studs• Bore/Stroke: 4.030” x 4.000”• Displacement (cu...

LSXceleration 408CI 6.0L Stroker LS Gen IV Short Block -18cc Dish 58x By ATK - Boost/Nitrous Ready    Engine Specifications:• Block: Seasoned 6.0L Iron Gen IV with ARP main studs• Bore/Stroke: 4.030” x 4.000”•...

LSXceleration 408CI 6.0L Stroker LS Gen IV Short Block -10cc Dish 58x By ATK - Boost/Nitrous Ready    Engine Specifications:• Block: Seasoned 6.0L Iron Gen IV with ARP main studs• Bore/Stroke: 4.030” x 4.000”•...

LSXceleration 408CI 6.0L Stroker LS Gen IV Short Block -10cc 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:...

LSXceleration 408CI 6.0L Stroker 2001-2007 LS Short Block -4cc Flat 58x By ATK - Boost/Nos Ready  Engine Specifications:• Block: Seasoned 6.0L LQ4 with ARP main studs• Year Range: 2001-2007• Bore/Stroke: 4.030” x 4...