**BluePrint Motorsports engines are built for maximum performance and are intended for extreme duty race applications. If this engine is used in a street application our normal 30 month, 50,000-mile warranty applies, if used in sanctioned racing no warranty, expressed, or implied.
The new BPE LS Iron Block 427 Stroker Short Block is built as a strong foundation for high-horsepower power adder applications. Featuring a durable iron LS block and a fully forged rotating assembly, this short block is designed to handle supercharged, turbocharged, or nitrous combinations with confidence. It includes forged pistons with a 4.070 bore, forged H-beam rods, and an 8-weight forged crankshaft with a 58x reluctor ring, all internally balanced for smooth and reliable performance. Finished with a 6-bolt crank flange for added strength, this 427 LS short block is an excellent choice for serious street or race builds looking for durability and big power capability.
Block:
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)!
