BluePrint Engines GM 350 Crate Engine Long Block 390 HP

Enhance your muscle car's performance with this long block crate engine (BP3505CT) and its 390 horsepower and 410 ft-lbs of torque. Its lightweight aluminum cylinder heads enhance airflow to the hypereutectic pistons for high stress use. Its hydraulic roller cam equates to effortless engine response and acceleration.

Features and Benefits:
- High-strength cast iron Long Block crate engine
- 390 Horsepower / 410 ft. lbs. Torque
- Compression Ratio: 9.2:1
- Features 4-bolt main, 4.000" bore, and 1-piece rear main seal
- Includes mech fuel pump provision
- Drilled and tapped for use with clutch linkage
- Passenger side dipstick placement
- Cast crankshaft with hypereutectic pistons and 3.480" rotation stroke
- Forged 5.700" crankshaft connecting rods
- Crankshaft has internally balanced front and externally balanced rear
- Aluminum cylinder heads feature 64cc chamber
- Hydraulic roller cam design
- 32-degree total ignition timing at 3500 RPM
- Backed by BluePrint Engines' 30-month/50,000-mile warranty

Cylinder Head Specifications:
- 64cc Chambers
- 2.02" Intake / 1.60" Exhaust Valves
- 195cc Intake / 75cc Exhaust Runners

Camshaft Specifications:
- 0.495" Intake / 0.502" Exhaust Lift
- 220 Intake / 224 Exhaust Duration
- @ 0.050-114° Lobe Separation

Also Includes:
- Valve Covers
- Rear Sump Oil Pan
- Timing Cover
- Dipstick

Additional Notes:
- The performance aluminum cylinder heads on this engine feature a 0.500" raised port vs. OEM.