BluePrint Engines Pro Series GM LS 376 Long Block Crate Engine 530 HP No ECU/ Harness

This LSX-style cast iron engine block (PSLS37630CT) combines aluminum heads and a hydraulic roller cam with a nodular iron crankshaft and hypereutectic pistons. It provides an amazing 530 horsepower and 495 ft-lbs. of torque. This is a long block only, allowing you to use your own ECU.

Features and Benefits:
- High-strength cast iron LSX-style long block crate engine
- 530 Horsepower / 495 FT. LBS. Torque
- Compression Ratio: 10.7:1 (91+ Octane recommended)
- Features 6-bolt main, 4.0662" bore, and 1-piece rear main seal
- Increased deck thickness and strength webbing
- Extended cylinder skirt and priority main oiling
- Uses OEM LS3 front/rear covers and improved water jacket design
- Nodular iron crankshaft with hypereutectic pistons and 3.622" rotation stroke
- Forged 6.125" crankshaft connecting rods with 150,000 PSI bolts
- Crankshaft is internally balanced at the front and rear
- Aluminum cylinder heads feature 69cc chamber
- Hydraulic roller cam design
- Ignition Timing: controlled by customer-provided ECU
- Backed by BluePrint Engines' 30-month/50,000-mile warranty

Cylinder Head Specifications:
- 69cc Chambers
- 2.165" Intake / 1.590" Exhaust Valves
- 259cc Intake / 102cc Exhaust Runners

Camshaft Specifications:
- 0.612" Intake / 0.585" Exhaust Lift
- 225 Intake / 238 Exhaust Duration
- @ .050-113 Degree Lobe Separation

Also Includes:
- LS Valve Cover
- LS Swap Oil Pan
- Harmonic Balancer

Please Note:
- Does NOT include engine controller. This is a dressed long block only. No Harness/ECU provided. This is for customers wishing to use their own engine controller package.
- BluePrint Engines recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and dyno calibration are maintained.