Compression Ratio: 10.1:1 with 119cc Heads
Pistons: Forged - Dome - 13cc
Crankshaft: Steel Crank - 4.250" Stroke and 6.385" H-Beam Rods
- Description
- Engine Specs
- Parts & Accessories
- Warranty
Description:
- Compression Ratio: 10.1:1
- BluePrint Engines Forged Crank
- BluePrint Engines Forged Pistons
Block:
- BluePrint Engines High Strength Cast Iron Block
- Manufactured and Machined in the USA!
- Mech Fuel Pump Provision: Yes
- 1-Piece Rear Main Seal
- Standard Deck
- 4-Bolt Main
- 4.500" Bore
Rotating Assembly:
- BluePrint Forged Crankshaft
- 4.250" Stroke
- Forged H-beam 6.385" Connecting Rods
- Forged Pistons - Dome - 13cc
- Internally Balanced Front and Rear
Blocks
- BluePrint Engines High Strength Cast Iron Block
- Manufactured and Machined in the USA!
- Mech Fuel Pump Provision: Yes
- 1-Piece Rear Main Seal
- Standard Deck
- 4-Bolt Main
- 4.500" Bore
Cylinder Heads
NA
Ignition Timing
NA
Spark Plug
.035"
Firing Order
1,8,4,3,6,5,7,2
Rotating Assembly
- BluePrint Forged Crankshaft
- 4.250" Stroke
- Forged H-beam 6.385" Connecting Rods
- Forged Pistons Dome - 13cc
- Internally Balanced Front and Rear
Your BluePrint engine was dyno tested with the parts and specifications listed below. If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.
BluePrint recommends electric fans that produce 3000 cfm or more, for engines that are 400 cid or less. Engines that are over 400 cid BluePrint recommends 4000 cfm or more.
Parts & Accessories Specs
| Intake Manifold (Not Included) | NA |
|---|---|
| Spark Plug (Not Included) | BPP7938 NGK 7938 BKR5E (.750-inch reach, 14mm thread, 5/8 hex, plug) |
| Harmonic Balancer (Not Included) | Recommended non-weighted |
| Flexplate/Flywheel (Not Included) | Recommended non-weighted |
| Fuel Recommendation | 91+ Octane |
| Recommended Service Oil | BPP10W30 |
| Recommended Oil Filter | BPP51061 |
| Total Oil Capacity with Production Oil Pan, and Correct Filter | NA |
Header Partners:
- Click Here for our Header Partners and recommendations.
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.