Description
BluePrint BP38321SP GM 383 Short Block Plus Crate Engine, Forged Crank
Overview
- HP & Torque: 432 HP / 450 FT LBS
- Compression Ratio: 9.5:1
- Forged Pistons
- Forged Crank
- Part #: BP38321SP
Block
- 4 Bolt main
- 4.00″ bore
- Passenger side dipstick
- Align honed main bearing bore
Rotating Assembly
- New forged crankshaft, 3.75″ stroke
- Forged pistons, 18CC Dish
- Forged rods with 150,000 PSI bolts
- Hastings moly rings
- Melling high volume oil pump
- Hydraulic roller cam
- Heavy duty double roller timing set
- Harmonic balancer
Cam Specs
- Cam Type: Roller, Lift with 1.6 rockers .528 Intake .536 Exhaust, 221 Intake / 226 Exhaust duration @ .050 – 110 degree lobe separation
Ignition Timing
- 34 degrees total (at 3500 RPM)
Also Includes
- Oil pan and timing cover
- Brass freeze plugs
- Dyno tested – shipped with results
Notes
Bore and stroke combination makes this crate engine a 377ci displacement
| KEY SPECS | |
|---|---|
| MFG. Part # | BP38321SP |
| Brand | BluePrint Engines |
| Crate Engine Type | Short Block |
| Engine Displacement | 383 cu. in. |
| Horsepower | 432 horsepower |
| Compression Ratio | 9.5:1 |
| Torque | 450 ft./lbs. |
| Camshaft Type | Hydraulic Roller Tappet |
| Piston Material | Forged Aluminum |
| Crankshaft Material | Forged Steel |
| Camshaft Duration (.050 in) | 221° intake / 226° exhaust |
| Camshaft Lift (in) | .528 intake / .536 exhaust |
| Bore x Stroke (in) | 4.000″ x 3.750″ |
| Intake Manifold Included | No |
| Distributor Included | No |
| Connecting Rod Material | Forged Steel |
| Valve Covers Included | No |
| Cylinder Heads Included | No |
| Rear Main Seal Style | 1-piece |
| Oil Pan Included | Yes |
| Timing Cover Included | Yes |
| Water Pump Included | No |
| Harmonic Balancer Included | Yes |
| Flexplate Included | No |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | No |
| Spark Plug Wires Included | No |






Reviews
There are no reviews yet.