GM 400 product header
GM 400 • Base Engine • Aluminum Heads • Roller Cam
$5,699
HP & Torque: 460 HP / 470 FT LBS
Compression Ratio: 10.3:1
Aluminum Heads
Hypereutectic Pistons
Roller Cam
Cast Steel Crank
Part #: BP4001CTC1

Block:

BRAND NEW BluePrint Cast Iron Block
4 Bolt Mains
Square and parallel decked
Align honed main bearing bore
Cylinders are sonic tested for thickness
Cylinders honed on computer controlled machine to within .0002 straightness and roundness

Rotating Assembly:

New cast crankshaft
Cast 5.7" connecting rods
150,000 psi rod bolts
Hypereutectic pistons
Hastings moly rings
Rotating assembly balanced to within 2 grams
High volume oil pump
Hydraulic roller cam
Roller lifters

Cylinder Heads:

BluePrint aluminum — 64cc chamber
Hardened retainers and springs
2.02 swirl polished intake valves
1.600 swirl polished exhaust valves

BP Aluminum Head Part# H8002K
For complete head specs, click here

Cam Specs:

Cam Type: Roller
.544 Intake .555 Exhaust
230 Intake / 236 Exhaust duration
@ .050 - 110° lobe separation

Ignition Timing:

10-16° inital and total timing 32-34° at 3500 RPM

Also Includes:

Intake Manifold — dual plane, satin aluminum
Carburetor — Holley 750cfm
Valve covers, oil pan and timing cover
Brass freeze plugs
Dyno test results shipped with engine

Warranty:

30 month / 50,000 mile

Notes:

NEW BluePrint block manufactured
and machined in the USA!

Not for EGR

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