BluePrint BP4002CTC1 GM 400, Base Dressed Engine, Alum Heads, Roller Cam

Overview
HP & Torque: 508 HP / 473 FT LBS Compression Ratio: 10.3:1 Aluminum Heads Forged Pistons Roller Cam Forged Crank Part #: BP4002CTC1 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 1-Piece Rear Main Seal Rotating Assembly
New forged crankshaft 5.7″ connecting rods 150,000 psi rod bolts Forged 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 2.08 swirl polished intake valves 1.60 swirl polished exhaust valves BP Aluminum Head Part# H8103 Cam Specs
Cam Type: Roller .553 Intake .576 Exhaust 236 Intake / 242 Exhaust duration @ .050 – 110° lobe separation 1.6 Roller rockers Ignition Timing
10-16° inital and total timing 32-34° at 3500 RPM Also Includes
Intake Manifold – dual plane, satin aluminum Carburetor – Holley 850cfm HOLLEY 04781/ MANUAL CHOKE Valve covers, oil pan and timing cover Brass freeze plugs Dyno test results shipped with engine Warranty
30 month / 50,000 mile