The Blueprint Engines 350ci crate engine combines classic muscle with modern performance, dyno-tested at 390 Horsepower / 410 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 .495 Intake / .502 Exhaust Lift and 220 Intake / 224 Exhaust Duration @ .050-114° LSA, 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.
Recommended Break in Oil: BPP710 (Click Here)
Recommended Service Oil: BPP10W30 (Click Here)
Recommended Oil Filter: BPP51061 (Click Here)
BETTER THAN THE REST.
At BluePrint Engines, customer satisfaction is our highest priority. Every engine is built using high-quality components, with each rotating assembly balanced to within two grams of specification. Before shipment, every crate engine is dyno tested and certified to ensure it is ready to deliver the horsepower and torque you expect.
To stand behind that level of quality, BluePrint Engines offers industry-leading warranty coverage, providing confidence and peace of mind whether the engine is installed by an individual or a professional installer. Our standard warranty is fully transferable, adding long-term value and reassurance for our customers.
Warranty Coverage Details:
*Applies to eligible engine part numbers beginning with “B” or “P.” Warranty coverage is subject to terms and conditions. Proper installation and maintenance are required.
Please refer to full warranty documentation for complete details click here.
We make sure we hit our target horsepower and proper torque with every crate engine. We use an advanced computerized balancer 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.
A comprehensive, dyno-generated printout showing these critical specs will accompany your delivered engine. 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 dyno results!
This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
