Crate Engines | Short Blocks | Long Blocks

Dart 427 LS Short Block Assembly 03484272FT Flat-Top 4.125 (Billet CCW Crankshaft) 427 CI Short Block (8CCW) Features: LS3/LS7 Compatible Internally Balanced Special High Performance LS NEXT Dart Block 4.125” Bore x 4.000” Stroke Plate Honed...

DART LS Next2 Gen III 388 Short Block 8CW 03493882FT-2K - 3.622" Stroke, 4.125" Bore - Assembled  Professionally built short blocks with all brand new premium components. Designed and built for Street performance and all out heads up racing...

DART LS Next2 Gen III 427 Short Block 8CW 03494272DT-2K - 4.000" Stroke, 4.125" Bore - Assembled   Professionally built short blocks with all brand new premium components. Designed and built for Street performance and all out heads up racing...

DART LS Next2 Gen III 427 Short Block 8CW 03494272FT-2K - 4.000" Stroke, 4.125" Bore - Assembled   Professionally built short blocks with all brand new premium components. Designed and built for Street performance and all out heads up racing...

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 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 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 347CI 5.3L/5.7L GM LM7 Short Block -11cc Dish 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 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 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:...

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...