Crate Engines | Short Blocks | Long Blocks

LSXceleration 383CI 5.3L GM LM7 Short Block -15cc 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 600HP 408CI 6.0L Stroker LQ4 Long Block 4.030 58x By ATK This LQ4/408CI Stroker with LS3 Aluminum heads is making 600HP+. Expect big mid to upper end power, will have a noticeable idle. For optimal Performance you will need headers,...

LSXceleration 620HP 415CI Stroker LS3 58x Long Block By ATK This LS3/415CI Stroker with LS3 Aluminum heads is making 620HP+. Expect big mid to upper end power, will have a noticeable idle. For optimal Performance you will need headers, chassis dyno tune...

LSXceleration 347CI 5.3L/5.7L GM LM7 Short Block -3.2cc Flat 24x By ATK Engine Specifications:• Block: GM LM7 5.3L (Iron LS1 / LS6)• Year Range: 1999-2007• Bore/Stroke: 3.903” x 3.622”• Displacement (cu.in): 347•...

LSXceleration 700HP 415CI Stroker L92/LS3 Short Block Aluminum -4cc Flat 58x By ATK This short block is perfect for supercharged or turbocharged engine builds with its lower compression ratios; it can handle up to 700HP. Your engine may not necessarily...

LSXceleration 700HP 415CI Stroker L92/LS3 Aluminum Short Block -29cc Dish 58x By ATK This short block is perfect for supercharged or turbocharged engine builds with its lower compression ratios; it can handle up to 700HP. Your engine may not necessarily...

LSXceleration 408CI 6.0L Stroker LS Gen IV Short Block -18cc Dish 24x 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 2001-2007 LQ4 Short Block -18cc Dish 24x By ATK Engine Specifications:• Block: Seasoned 6.0L LQ4• Year Range: 2001-2007• Bore/Stroke: 4.030” x 4.000”• Displacement (cu.in): 408•...

LSXceleration 441CI Dart SHP LS Next Short Block -22cc Dish 58x By ATK Looking for a large cubic inch short block to make big NA power? This 441CI Dart SHP LS Next short block is the perfect foundation! Engine Specifications:• Block: Dart SHP LS...

LSXceleration 408CI 6.0L Stroker 2001-2007 LQ4 Short Block -18cc Dish 24x by ATK - Boost/Nitrous Ready Engine Specifications:• Block: Seasoned 6.0L LQ4 with ARP main studs• Year Range: 2001-2007• Bore/Stroke: 4.030” x 4...

LSXceleration 370CI 6.0L 2001-2007 LQ9 Short Block 24x By ATK Engine Specifications:• Block: Seasoned 6.0L LQ9• Year Range: 2001-2007• Bore/Stroke: 4.030” x 3.622”• Displacement (cu.in): 370• Crankshaft: OEM GM 24...

LSXceleration 370CI 6.0L 2001-2007 LQ4 Short Block -6.7cc Dish 24x By ATK Engine Specifications:• Block: Seasoned 6.0L LQ4• Year Range: 2001-2007• Bore/Stroke: 4.030” x 3.622”• Displacement (cu.in): 370• Crankshaft:...