Overview:

The Blueprint Engines 327ci crate engine combines classic muscle with modern performance, dyno-tested at 350 Horsepower / 350 ft. lbs. Torque and features a genuine Holley Sniper 2 EFI system. Housed in a one-piece rear main seal BluePrint Engines High Strength Cast Iron 4-bolt main Block with a 4.000″ bore and 3.250" Stroke, it features high-quality internals like a .495 Intake / .502 Exhaust Lift and 220 Intake / 224 Exhaust Duration @ .050-114° LSA, hypereutectic pistons, forged crank, forged 5.700" Connecting Rods, and Blueprint’s aluminum heads sporting 64cc chambers and raised ports.

The Sniper 2 EFI breathes through the satin dual-plane intake, offering crisp throttle response, self-tuning via next generation ECU, and compatibility with modern fuels. It eliminates cold-start woes and rough idling, transforming the driving experience into one of modern efficiency on a vintage platform. Finished with a complete dress up kit—timing cover, valve covers, HEI distributor, and more, it’s a turnkey powerhouse that blends effortless drivability with classic muscle aesthetics.

Description:

• Horsepower & Torque: 350 Horsepower / 350 ft. lbs. Torque
• Compression Ratio: 9.4:1
• BluePrint Engines Aluminum Heads
  
• BluePrint Engines Hydraulic Roller Cam
• BluePrint Engines Forged Crank
• BluePrint Engines Hypereutectic Pistons
  

Block:

• BluePrint Engines High Strength Cast Iron Block
• Drilled and Tapped for Clutch Linkage
• Mech Fuel Pump Provision: Yes
• Passenger Side Dipstick
• 1-Piece Rear Main Seal
• 4-Bolt Main
• 4.000" Bore
  

Rotating Assembly:

• BluePrint Forged Crankshaft
• 3.250" Stroke
• Forged 5.700" Connecting Rods w/ 150,000 PSI Bolts
• Hypereutectic Pistons
• Internally Balanced Front - Externally Balanced Rear 

Cylinder Heads:

• BluePrint Aluminum Cylinder Heads - H8002K
  
• 64cc Chamber
• 2.02" Intake / 1.60" Exhaust Valves
• 195cc Intake / 75cc Exhaust Runners

Cam Specs:

• Hydraulic Roller
• .495 Intake / .502 Exhaust Lift
• 220 Intake / 224 Exhaust Duration
• @ .050-114 Degree Lobe Separation

Ignition Timing:

• 32-34 Degrees Total at 3500 RPM

Also Includes:

• Under Header Spark Plug Wires (Perfect for Rams Horn exhaust manifolds)
• BluePrint Tach Drive Pro Billet Ready Run Distributor - BPP3503TDBK
• Holley Sniper 2 EFI System - BPP550-510-3XX
• Aluminum Intake Manifold - BPP350VINT
• Thermostat Housing - BPP10108470
• Premium Vintage Valve Covers
• Premium Vintage Air Cleaner
• 6.75-inch Harmonic Balancer
• Thermostat - BPP180TS
• Timing Cover
• Spark Plugs
• Oil Pan
  
• Polished Front Accessory Drive - BPP350FDACPS4
  • Reverse Rotation Short Water Pump
  • Type II Power Steering Pump
  • Remote Power Steering Pump Reservoir
  • 140amp 1-wire Alternator
  • 7B10 Peanut Style Air Conditioning Compressor

Notes:

• Not for use in pollution-controlled vehicles.
• The front accessory drive on this engine fits many vehicles, however it is the customer responsibility to accurately measure and confirm fitment.  Note this is a low-profile design, but things such as power steering hoses, alternator wiring, and additional fittings/fabrication may be required on some vehicles.