Overview:

The Blueprint Engines 350ci crate engine combines classic muscle with modern performance, dyno-tested at 341 Horsepower / 371 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 3.480"stroke, it features high-quality internals like a .477 Intake / .471 Exhaust Lift and 202 Intake / 212 Exhaust Duration @ .050-115° LSA hydraulic roller camshaft, hypereutectic pistons, cast 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: 341 Horsepower / 371 ft. lbs. Torque
• Compression Ratio: 9.2:1
• BluePrint Engines Aluminum Heads
• BluePrint Engines Hydraulic Roller Cam
  
• BluePrint Engines Cast Crankshaft
  
• BluePrint Engines Hypereutectic Pistons
  

Block:

• BluePrint Engines High Strength Cast Iron Block
• Manufactured and Machined in the USA!
• 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:

• Cast Crankshaft
  
• 3.480" Stroke
• Forged 5.700" Connecting Rods
• 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
• .477 Intake / .471 Exhaust Lift
• 202 Intake / 212 Exhaust Duration
• @ .050-115 Degree Lobe Separation

Ignition Timing:

• 32 Degrees Total at 3500 RPM

Also Includes:

• Holley Sniper II EFI - BPP550-510-3XX
• Standard Rotation Long Water Pump
• Thermostat and Thermostat Housing
• Aluminum Intake - BPP350VINT
• HEI Distributor - BPP350RBK
  
• Valve Covers - BPP9518
• Spark Plugs and Wires
• Harmonic Balancer
• Rear Sump Oil Pan
  
• Timing Cover
  
• Dipstick
  

Notes:

• This engine is an excellent cruiser and daily driver engine.  This engine makes up to 18 inches of vacuum, and is designed to work excellent with power brakes, stock torque converter, stock gearing, and run on 87 octane fuel
• The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.