BluePrint's BP3505, GM Small Block compatible 350ci platform engineered for torque-focused street and strip builds. Designed as a durable, performance-ready foundation, the BP3505 is ideal for aggressive naturally aspirated combinations and is well suited for muscle car restorations, restomods, and bracket racing applications.

Built to the same exacting standards as BluePrint’s dyno-tested crate engines, this short block delivers the strength, precision machining, and proven durability builders expect when starting a serious small block project.

Description:

• Compression Ratio: 9.2:1 w/ 64cc Heads
  
• BluePrint Engines Cast Crank
• 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
• Splayed 4-Bolt Main
  
• 4.000" Bore

Rotating Assembly:

• BluePrint Cast Crankshaft
• 3.480" Stroke
• 5.700" Connecting Rods w/ 150,000 PSI Bolts
• Hypereutectic Pistons - 12cc Dish
• Internally Balanced Front / Externally Balanced Rear 

Engine Accessory Specifications