BluePrint Engines Pro Series 627 HP Long Block GM 502 Big-Block Crate Engine
Highlights
- Great for Street/Strip Builds
- Usable for Track/Drag Racing
- H-Beam Connecting Rods
- High-Strength, Forged Pistons
BluePrint Engines Pro Series 627-Horsepower Long Block GM 502 C.I. Big-Block Crate Engine.
Tap into drag-ready performance with this GM 502 big-block crate engine (PS502CT)! Part of BluePrint Engines’ Pro Series, it offers a 10.0:1 compression ratio and forged rotating assembly. H-beam connecting rods add to its strength, making it excellent for high-powered restomods.
Features and Benefits:
- High-strength, standard deck, cast iron engine block with 4.466” bore
- Operates at 627 horsepower and 569 ft.-lbs. torque
- 10.0:1 compression ratio for stronger throttle response and crisp performance
- 4-bolt main offers stronger bottom end for high-HP applications
- 1-piece rear main seal ensures stronger, leak-free security
- Built-in BluePrint Engines Muscle Series cylinder heads made of aluminum
- Forged steel crankshaft with 4.000" stroke and 6.385" connecting rods
- Rods use H-beam design, great for high-RPM and nitrous use
- Forged pistons for incredible strength and impact resistance
- Rotating assembly is internally balanced for smoother, more stable operation
- Hydraulic roller cam. for lower maintenance and better strength than flat tappet cam.
- Includes mechanical fuel pump provision
- Backed by BluePrint Engines' 30-month/50,000-mile warranty
Also Includes:
- Valve covers
- Oil pan
- Timing cover
- Harmonic balancer
Cylinder Head Specifications:
- 119cc chambers
- 2.30" intake / 1.88" exhaust valves
- 316cc intake / 124cc exhaust runners
Camshaft Specifications:
- .647” intake / .647” exhaust lift
- 248 degrees intake / 254 degrees exhaust duration
- @ .050-112 degrees lobe separation
Additional Notes:
- Not designed for use in pollution-controlled vehicles.
- The cylinder heads feature a .300" raised exhaust port vs an OEM casting. Please verify clearance prior to installation.
California Residents: Proposition 65 Warning
Related Categories: Engine, Restomod, Crate Engines
Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:
- 1965 and older U.S. manufactured California certified vehicles
- 1967 and older U.S. manufactured federally certified vehicles
Vehicle Fitment
This product will fit the following Camaro years:
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
This product will fit the following Chevelle years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
This product will fit the following El Camino years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,













