Crate Engines | Short Blocks | Long Blocks

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...

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

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...

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.

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...

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

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”

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&rdq

LSXceleration 505HP 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...

LSXceleration 408CI 6.0L Stroker 2001-2007 Short Block -10cc Dish 58x By ATK - Boost/Nos Ready Engine Specifications:• Block: Seasoned 6.0L LQ4 with ARP main studs• Year Range: 2001-2007&bu

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...

LSXceleration 385HP 330CI 5.3L 1999-2007 Long Block 24x By ATK This engine was designed to be a performance upgrade for a 1999-2007 Chevy Truck LM7 or LS swap in a hot rod. Expect big mid to upper...