Compression Ratio: 10:1 with 64cc Heads
Pistons: Forged - Dish - 20cc
Crankshaft: Forged Crank - 4.000" Stroke and Forged H-Beam 6.000" Rods
- Description
- Engine Specs
- Warranty
The SBC New 427 Small Block Chevy Short Block is built to deliver big cubic inch power in a compact small block package. Featuring the new BPE 1-piece rear main seal block with 4-bolt splayed mains, this short block provides a strong and reliable foundation for high-performance street or race builds. The rotating assembly includes all forged components and is internally balanced for smooth operation and durability under demanding conditions. Designed for use with a passenger side dipstick and roller camshaft setups, these 427 small blocks short block is a great choice for builders looking for serious small block power with modern block strength and reliability.
Description:
- Compression Ratio: 10.0:1 with 64cc Heads
- BluePrint Engines Forged Crank
- BluePrint Engines Forged Pistons
Block:
- BluePrint Engines High Strength Cast Iron Block
- Manufactured and Machined in the USA!
- 4-Bolt Main
- 4.125" Bore
- 2-Piece Rear Main Seal
- Mech Fuel Pump Provision: Yes
- Passenger Side Dipstick
- Drilled and Tapped for Clutch Linkage
Rotating Assembly:
- New BluePrint Forged Crankshaft
- 4.000" Stroke
- Forged H-Beam 6.000" Connecting Rods
- Forged Pistons - Dish - 20cc
- Internally Balanced Front and Rear
Blocks
- BluePrint Engines High Strength Cast Iron Block
- Manufactured and Machined in the USA!
- 4-Bolt Main
- 4.125" Bore
- 2-Piece Rear Main Seal
- Mech Fuel Pump Provision: Yes
- Passenger Side Dipstick
- Drilled and Tapped for Clutch Linkage
Firing Order
1,8,4,3,6,5,7,2
Rotating Assembly
- New BluePrint Forged Crankshaft
- 4.000" Stroke
- Forged H-Beam 6.000" Connecting Rods
- Forged Pistons - Dish - 20cc
- Internally Balanced Front and Rear
Better Than the Rest.
The satisfaction of our customers is our highest priority at BluePrint Engines. Every engine we build is assembled with premium components, balanced to within two grams, and dyno-tested to verify real horsepower and torque before it leaves our facility.
All BluePrint products include warranty protection designed specifically for how they're used. Our complete crate engines carry our industry-leading 30-month / 50,000-mile warranty, offering the confidence and peace of mind serious builders expect. Other BluePrint products—including bare blocks, marine engines, transmissions, race applications, and cylinder heads—feature warranty coverage tailored to their intended use and operating conditions.
For full terms and specific coverage by product category, download our warranty guide below. It contains complete details, limitations, and instructions for warranty registration and claims.
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Register NowEVERY 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.