Description

Overview:
BluePrint BP38321SP GM Small Block Compatible performance short block engine has been dyno tested at our factory with a Holley Classic 750cfm Carburetor and H8002K Cylinder Heads and produced 436 horsepower and 443 minimum torque. Not every BP38321SP is Dyno tested. This performance shows the capabilities of this engine. Performance may vary depending upon what cylinder heads, fuel system and intake manifold you choose. This engine features a 4-inch bore which mathematically yields a 377ci with a 3.75-inch stroke. This customizable engine comes with timing cover, harmonic balances, oil pan, hydraulic roller cam, with a 1.6-inch rocker arm, and a high-volume oil pump.

Description:
Horsepower & Torque: 432 Horsepower / 450 FT LBS. Torque
Compression Ratio: 9.5:1
Forged Pistons
Forged Crank
Block:
Kezar’s Perfomance High Strength Cast Iron 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: Hydraulic Roller
.495 Intake / .502 Exhaust Lift
220 Intake / 224 Exhaust Duration
@ .050-114 Degree Lobe Separation
Ignition Timing:
34 Degrees Total (at 3500 RPM)
Also Includes:
Oil Pan
Timing Cover
Harmonic Balancer