Crate Engines | Short Blocks | Long Blocks

Dart 427 LS Short Block Assembly 03424272FT 427 CI Short Block (6CW) Features: LS3/LS7 Compatible Internally Balanced Special High Performance LS NEXT Dart Block 4.125” Bore x 4.000” Stroke Plate Honed Cylinders K1 Forged 4340 Steel...

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 2001-2007 LQ4 Short Block -10cc 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•...

Dart 427 LS Short Block Assembly 03484272DT Dish 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...

LSXceleration 408CI 6.0L Stroker 2001-2007 LQ4 Short Block -10cc Dish 24x 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...

LSXceleration 460HP 371CI 6.0L 2001-2007 LQ4 Block 24x By ATK This engine was designed to be a performance upgrade for LS based vehicles or perfect for a 2001-2007 Chevy Truck LQ4 or LS swap in a hot rod. Expect big mid to upper end power, will have a...

LSXceleration 370CI 6.0L LS Gen IV Short Block -3.2cc Flat 58x By ATK Engine Specifications:• Block: Seasoned 6.0L Iron Gen IV• Bore/Stroke: 4.030” x 3.622”• Displacement (cu.in): 370• Crankshaft: OE reground 3.622”...

LSXceleration 383CI 5.3L GM LM7 Short Block -3cc Flat 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 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 408CI 6.0L Stroker 2001-2007 LS Short Block -18cc Dish 58x By ATK - Tooth Boost/Nos Ready Engine Specifications:• Block: Seasoned 6.0L LQ4 with ARP main studs• Year Range: 2001-2007• Bore/Stroke: 4.030” x 4...

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”•...

Dart 427 LS Short Block Assembly 03424272DT 427 CI Short Block (6CW) Features: LS3/LS7 Compatible Internally Balanced Special High Performance LS NEXT Dart Block 4.125” Bore x 4.000” Stroke Plate Honed Cylinders K1 Forged 4340 Steel...