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SKU: BP3505
GM Small Block Compatible 350 c.i. - Short Block
$0.00
350 c.i. Short Block

Compression Ratio: 9.2:1 w/ 64cc Heads

Pistons: Hypereutectic - Dish - 12cc

Crankshaft: Cast Crankshaft - 3.480" Stroke and I-Beam 5.700" Rods

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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 

WARNING: Cancer and Reproductive Harm
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EVERY BLUEPRINT ENGINE ACES THE DYNO TEST

We make sure we hit our target horsepower and proper torque with every crate engine. We use an advanced computerized balancer in our in-house dyno testing rooms to get our rotating assemblies within two grams, ensuring silky smooth power over the entire RPM range. That’s precisely why our engines sound and run better than our competitors.

All specs, zero speculation: A comprehensive, dyno-generated printout showing your critical engine specs will accompany your delivered engine — every time. No more guessing or wondering what your installed engine’s real-world peak horsepower and torque ratings actually are. Any doubters in the crowd? Simply flash ‘em your exact engine’s dyno results.

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