BluePrint Engines Small Block Chevy 383 C.I. 432 HP Short Block Plus

HP & Torque: 432 HP / 450 FT LBS
Compression Ratio: 9.5:1
Forged Pistons
Forged Crank
BLOCK:
4 Bolt main
1 piece rear main seal.
4.00" bore
Passenger side dipstick
Align honed main bearing bore
Cylinders honed on computer-controlled machine to within .0002 straightness and roundness
Cylinders are sonic tested for thickness
ROTATING ASSEMBLY:
New forged crankshaft, 3.75" stroke
Forged pistons, 18CC Dish
Forged rods with 150,000 PSI bolts
High volume oil pump
Hydraulic roller cam
Heavy duty double roller timing set
Harmonic balancer
CAM SPECS W 1.5 ROCKER RATIO:
Cam Type: Hyd Roller
.495 Intake .502 Exhaust
220 Intake / 224 Exhaust duration
@ .050 - 114 degree lobe separation
IGNITION TIMING:
34 degrees total (at 3500 RPM)
ALSO INCLUDES:
Oil pan and timing cover

NOTES:
Bore and stroke combination makes this crate engine a 377ci displacement

This engine requires a non-weighted 8" harmonic balancer (included), and late 350ci weighted flexplate/flywheel.

The HP and Torque numbers were derived from dyno testing with a 750cfm carb, and with H8002K cylinder heads installed.

*A bronze distributor gear is NOT recommended on this engine

Not for use in pollution-controlled vehicles.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov