We are experiencing longer than normal build times due to parts and shipping delays, please contact us through live chat for accurate lead times.

Show all GM LS Longblocks and Complete Engines

BluePrint Engines 427CI ProSeries Stroker Crate Engine | GM LS Style | Dressed Longblock with Supercharger | Aluminum Heads | Roller Cam

800 HP / 780 FT LBS

Aluminum Heads
Forged Pistons
Roller Cam
Forged Crank
Part #: PSLS4272SCT

$19,299.00 MORE INFO

BluePrint Engines 408CI LS Stroker Crate Engine | GM LS Style | Dressed Longblock with Fuel Injection | Supercharged | Aluminum Heads

725hp • 699tq 
Aluminum Heads
Forged Pistons
Roller Cam
Forged Crank
Part #: BPLS4080SCT

$18,599.00 MORE INFO

BluePrint Engines 427CI ProSeries Stroker Crate Engine | GM LS Style | Dressed Longblock with Carburetor | Aluminum Heads | Roller Cam

625 HP / 550 FT LBS

11:1
Aluminum Heads
Forged Pistons
Roller Cam
Forged Crank
Part #: PSLS4270CTC

$10,799.00 MORE INFO

BluePrint Engines 408CI Stroker Crate Engine | GM LS Style | Dressed Longblock with Fuel Injection | Aluminum Heads | Roller Cam

585 HP / 540 FT LBS
Aluminum Heads
Forged Pistons
Roller Cam
Forged Crank
Part #: BPLS4080CTF

$9,799.00 MORE INFO

BluePrint Engines 376CI Crate Engine | GM LS3 Style | Aluminum Heads | Roller Cam | 6.2L | Dressed Longblock with Black Pulley Kit

530 HP / 495 FT LBS

10.7:1
Aluminum Heads
Hyper Pistons
Roller Cam
Nodular Iron Crank
Part # PSLS3760CTFKB

$9,699.00 MORE INFO

BluePrint Engines 376CI Crate Engine | GM LS3 Style | Aluminum Heads | Roller Cam | 6.2L | Dressed Longblock with Polished Pulley Kit

530 HP / 495 FT LBS

10.7:1
Aluminum Heads
Hyper Pistons
Roller Cam
Nodular Iron Crank
Part # PSLS3760CTFK

$9,599.00 MORE INFO

427CI LS Stroker Crate Engine | GM LS Style | Longblock | Aluminum Heads | Roller Cam | Late Model Drop In Upgrade

625 HP / 565 FT LBS 

11:1
Aluminum Heads
Forged Pistons
Roller Cam
Forged Crank
Part #: PSLS4271CT

$9,299.00 MORE INFO